THE CONGO-KALAHARI CRATONIC RELATIONSHIP: FROM RODINIA TO GONDWANA

THE CONGO-KALAHARI CRATONIC RELATIONSHIP: FROM RODINIA TO GONDWANA By BRITTANY LYNN NEWSTEAD A THESIS PRESENTED TO THE GRADUATE SCHOOL OF THE UNIVERSITY OF FLORIDA IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE UNIVERSITY OF FLORIDA 2010 1

2010 Brittany Lynn Newstead 2

To my parents, who have always believed in me 3

ACKNOWLEDGMENTS First and foremost I would like to thank my advisor, Dave Foster, for all of his help and wisdom throughout this process and for all he has taught me in the last two years. I would also like to thank my other committee members, Paul Mueller and Joe Meert, for their insightful comments and help along the way. Thanks to Ben Goscombe and Ben Mpani for all of their help in the field. And a special thanks to George Kamenov, without whom I would have no data. I thank all of my teachers over the years, without their lessons I would not be here. I thank my parents, brother and other family members for all of their support over the years. They taught me to think for myself and encouraged my endless curiosity. I also want to thank all of the friends near and far who have been with me throughout, especially Alex and Kelly, who kept me sane through the worst of it. I also thank everyone in the geology department, for all of the help and laughter. 4

TABLE OF CONTENTS page ACKNOWLEDGMENTS... 4 LIST OF TABLES... 7 LIST OF FIGURES... 11 LIST OF ABBREVIATIONS... 14 ABSTRACT... 15 CHAPTER 1 INTRODUCTION... 17 2 BACKGROUND... 20 Kalahari Craton... 20 Congo Craton... 21 Damara Orogeny... 22 3 METHODS... 27 Detrital Zircon Analysis... 27 Whole Rock Analysis... 29 4 RESULTS... 32 Detrital Zircon Geochronology... 32 Northern Foreland Zone... 32 Northern Zone... 32 Central Zone... 34 Southern Zone... 37 Southern Margin Zone... 38 Southern Foreland Zone... 39 Granitic Rocks... 44 Kaoko Belt... 45 Initial Hf Isotope Data... 49 Sm/Nd Analysis... 51 Common Pb... 52 Trace and Major Element Analysis... 52 5 DISCUSSION... 186 Detrital Zircon Analyses... 186 5

Stratigraphic Comparison... 186 Nama Group... 189 Granitic Rocks... 191 Comparison by Structural Zone... 192 Kaoko Belt... 195 Comparison by Craton... 196 Source Terrains... 198 Congo Craton... 198 Kalahari Craton... 199 Proportions of Crustal Recycling... 201 Sedimentary Mixing... 203 6 CONCLUSION... 216 APPENDIX: GEOCHRONOLOGIC PROVINCES... 218 Kalahari Craton... 218 Interior Provinces... 218 Marginal Provinces... 221 Congo Craton... 222 Interior Provinces... 222 Marginal Provinces... 225 LIST OF REFERENCES... 229 BIOGRAPHICAL SKETCH... 234 6

LIST OF TABLES Table page 4-1 U-Pb analysis common Pb corrected results for sample BDG06-91 from the Northern Foreland Zone, Congo Craton... 54 4-2 U-Pb analysis common Pb corrected results for sample DF09-26 from the Northern Zone, Congo Craton... 56 4-3 U-Pb analysis common Pb corrected results for sample DF09-30 from the Northern Zone, Congo Craton... 59 4-4 U-Pb analysis common Pb corrected results for sample DF09-37 from the Northern Zone, Congo Craton... 60 4-5 U-Pb analysis common Pb corrected results for sample DF09-43 from the Central Zone, Congo Craton.... 61 4-6 U-Pb analysis common Pb corrected results for sample DF09-44 from the Central Zone, Congo Craton.... 64 4-7 U-Pb analysis common Pb corrected results for sample CZ29 from the Central Zone, Congo Craton.... 66 4-8 U-Pb analysis common Pb corrected results for sample CZ40 from the Central Zone, Congo Craton.... 67 4-9 U-Pb analysis common Pb corrected results for sample CZ53b from the Central Zone, Congo Craton.... 68 4-10 U-Pb analysis common Pb corrected results for sample CZ35 from the Central Zone, Congo Craton.... 71 4-11 U-Pb analysis common Pb corrected results for sample DF06-22 from the Southern Zone, Congo Craton.... 76 4-12 U-Pb analysis common Pb corrected results for sample SZ13 from the Southern Zone, Congo Craton.... 77 4-13 U-Pb analysis common Pb corrected results for sample DF09-12a from the Southern Margin Zone, Kalahari Craton... 82 4-14 U-Pb analysis common Pb corrected results for sample DF09-04 from the Southern Margin Zone, Kalahari Craton... 84 4-15 U-Pb analysis common Pb corrected results for sample DF06-40 from the Southern Foreland Zone, Kalahari Craton.... 87 7

4-16 U-Pb analysis common Pb corrected results for sample DF06-41 from the Southern Foreland Zone, Kalahari Craton.... 89 4-17 U-Pb analysis common Pb corrected results for sample DF06-46 from the Southern Foreland Zone, Kalahari Craton.... 91 4-18 U-Pb analysis common Pb corrected results for sample DF06-45 from the Southern Foreland Zone, Kalahari Craton.... 93 4-19 U-Pb analysis common Pb corrected results for sample DF06-44 from the Southern Foreland Zone, Kalahari Craton.... 95 4-20 U-Pb analysis common Pb corrected results for sample DF06-43 from the Southern Foreland Zone, Kalahari Craton.... 98 4-21 U-Pb analysis common Pb corrected results for sample DF06-18 from the Kaoko Belt.... 100 4-22 U-Pb analysis common Pb corrected results for sample DF09-38 from the Kaoko Belt.... 103 4-23 U-Pb analysis common Pb corrected results for sample DF09-39 from the Kaoko Belt.... 106 4-24 U-Pb analysis common Pb corrected results for sample DF06-11 from the Kaoko Belt.... 108 4-25 U-Pb analysis common Pb corrected results for sample DF06-17 from the Kaoko Belt.... 112 4-26 U-Pb analysis common Pb corrected results for sample DF06-08 from the Kaoko Belt.... 114 4-27 Lu-Hf analysis corrected results for sample DF09-26 from the Northern Zone, Congo Craton... 118 4-28 Lu-Hf analysis corrected results for sample DF09-30 from the Northern Zone, Congo Craton... 119 4-29 Lu-Hf analysis corrected results for sample DF09-43 from the Central Zone, Congo Craton... 120 4-30 Lu-Hf analysis corrected results for sample DF09-44 from the Central Zone, Congo Craton... 121 4-31 Lu-Hf analysis corrected results for sample CZ29 from the Central Zone, Congo Craton... 122 8

4-32 Lu-Hf analysis corrected results for sample CZ53b from the Central Zone, Congo Craton... 123 4-33 Lu-Hf analysis corrected results for sample CZ35 from the Central Zone, Congo Craton... 125 4-34 Lu-Hf analysis corrected results for sample DF06-22 from the Southern Zone, Congo Craton.... 127 4-35 Lu-Hf analysis corrected results for sample SZ13 from the Southern Zone, Congo Craton... 128 4-36 Lu-Hf analysis corrected results for sample DF09-12a from the Southern Margin Zone, Kalahari Craton.... 132 4-37 Lu-Hf analysis corrected results for sample DF09-04 from the Southern Margin Zone, Kalahari Craton.... 133 4-38 Lu-Hf analysis corrected results for sample DF06-40 from the Southern Foreland Zone, Kalahari Craton.... 134 4-39 Lu-Hf analysis corrected results for sample DF06-41 from the Southern Foreland Zone, Kalahari Craton.... 135 4-40 Lu-Hf analysis corrected results for sample DF06-45 from the Southern Foreland Zone, Kalahari Craton.... 136 4-41 Lu-Hf analysis corrected results for sample DF06-44 from the Southern Foreland Zone, Kalahari Craton.... 137 4-42 Lu-Hf analysis corrected results for sample DF06-43 from the Southern Foreland Zone, Kalahari Craton.... 138 4-43 Lu-Hf analysis corrected results for sample DF06-18 from the Kaoko Belt... 139 4-44 Lu-Hf analysis corrected results for sample DF09-38 from the Kaoko Belt... 141 4-45 Lu-Hf analysis corrected results for sample DF09-39 from the Kaoko Belt... 142 4-46 Lu-Hf analysis corrected results for sample DF06-11 from the Kaoko Belt... 143 4-47 Lu-Hf analysis corrected results for sample DF06-17 from the Kaoko Belt... 144 4-48 Lu-Hf analysis corrected results for sample DF06-08 from the Kaoko Belt... 146 4-49 Sm/Nd corrected results for the Northern Zone of the Congo craton.... 148 4-50 Sm/Nd corrected results for the Central Zone of the Congo craton... 148 9

4-51 Sm/Nd corrected results for the Southern Zone of the Congo craton.... 148 4-52 Sm/Nd corrected results for the Southern Margin Zone of the Kalahari craton. 149 4-53 Sm/Nd corrected results for the Naukluft Nappes of the Kalahari craton.... 149 4-54 Sm/Nd corrected results for the Southern Foreland Zone of the Kalahari craton.... 149 4-55 Sm/Nd corrected results for the Kaoko belt of the Congo craton.... 149 4-56 Pb/Pb analysis data for the Northern Zone of the Congo craton... 149 4-57 Pb/Pb analysis data for the Central Zone of the Congo craton.... 150 4-58 Pb/Pb analysis data for the Southern Zone of the Congo craton.... 150 4-59 Pb/Pb analysis data for the Southern Margin Zone of the Kalahari craton... 150 4-60 Pb/Pb analysis data for the Naukluft Nappes of the Kalahari craton.... 151 4-61 Pb/Pb analysis data for the Southern Foreland Zone of the Kalahari craton.... 151 4-62 Pb/Pb analysis data for the Kaoko belt of the Congo craton.... 151 4-63 Major oxide element analysis data for the Damara Orogen... 152 4-64 Trace element analysis data for the Damara Orogen.... 154 10

LIST OF FIGURES Figure page 1-1 Differing models of Rodinia.... 19 2-1 Geologic map of the Damara Orogen in central Namibia.... 24 2-2 Structural cross section of the Damara Orogen..... 25 2-3 Stratigraphic column of the Damara Orogen with collected samples labeled..... 26 3-1 Geologic maps of the Damara Orogen with the location of collection for all analyzed samples marked.... 31 4-1 Zircon geochronology analysis for sample BDG06-91 from the Mulden Formation.... 157 4-2 Zircon geochronology analysis for sample DF09-26 from the Kuiseb Schist... 158 4-3 Zircon geochronology analysis for sample DF09-30 from the Kuiseb Schist.... 159 4-4 Zircon geochronology analysis for sample DF09-44 from the Nosib Group... 160 4-5 Zircon geochronology analysis for sample CZ29 from the Khan Formation... 161 4-6 Zircon geochronology analysis for sample CZ40 from the Rossing Formation. 162 4-7 Zircon geochronology analysis for sample CZ53b from the Tinkas Formation.. 163 4-8 Zircon geochronology analysis for sample CZ35 from the Karibib Formation... 164 4-9 Zircon geochronology analysis for sample DF06-22 (SZ40) from the Kuiseb Schist in the Matchless Amphibolite Belt... 165 4-10 Zircon geochronology analysis for sample SZ13 from the Kuiseb Schist... 166 4-11 Zircon geochronology analysis for sample DF09-12a from the Hakos Formation... 167 4-12 Zircon geochronology analysis for sample DF09-04 from the Naos Diamictite. 168 4-13 Zircon geochronology analysis for sample DF06-40 from the Kuibis Formation.... 169 4-14 Zircon geochronology analysis for sample DF06-41 from the Schwarzrand Subgroup.... 170 11

4-15 Zircon geochronology analysis for sample DF06-46 from the Schwarzrand Subgroup.... 171 4-16 Zircon geochronology analysis for sample DF06-45 from the Fish River Formation... 172 4-17 Zircon geochronology analysis for sample DF06-44 from the Fish River Formation... 173 4-18 Zircon geochronology analysis for sample DF06-43 from the Fish River Formation... 174 4-19 Zircon geochronology analysis for sample DF09-37 from a granitic pluton in the Northern Zone.... 175 4-20 Zircon geochronology analysis for sample DF09-43 from the grainitic gneissic basement of the Central Zone... 176 4-21 Zircon geochronology analysis for sample DF06-18 from the Hoanib River Group... 177 4-22 Zircon geochronology analysis for sample DF09-38 from the Ogden Mylonite. 178 4-23 Zircon geochronology analysis for sample DF09-39 from the Ogden Mylonite. 179 4-24 Zircon geochronology analysis for sample DF06-11 from the Coastal Terrane 180 4-25 Zircon geochronology analysis for sample DF06-08 from the Khumib Terrane... 181 4-26 Zircon geochronology analysis for sample DF06-17 from the Hoanib River Formation... 182 4-27 Comprehensive plot of all epsilon Hf data for the Congo and Kalahari cratonic margins.... 183 4-28 Comprehensive plot of all Sm-Nd Dm model ages against relative distance to the SZ-SMZ boundary.... 183 4-29 Comprehensive plot of all epsilon Nd data for the Congo and Kalahari cratonic margins.... 184 4-30 Plots of Pb/Pb data..... 184 4-31 Bivariate oxide plots of major element data... 185 4-32 Spider diagrams of rare earth element data... 185 5-1 Detrital zircon U-Pb age populations from the Central Zone.... 205 12

5-2 Detrital zircon U-Pb age populations from the Northern Zone and Northern Foreland Zone.... 205 5-3 Detrital zircon U-Pb age populations from the Southern Zone... 206 5-4 Detrital zircon U-Pb age populations from the Southern Margin Zone... 206 5-5 Detrital zircon U-Pb age populations from the Nama Group of the Southern Foreland Zone.... 207 5-6 Hf isotope data for the Northern Zone on the Congo margin... 207 5-7 Hf isotope data for the Central Zone on the Congo Margin.... 208 5-8 Hf isotope data for the Southern Zone on the Congo Margin.... 208 5-9 Hf isotope data for the Southern Margin Zone on the Kalahari Margin.... 209 5-10 Hf isotope data for the Nama Group in the Southern Foreland Zone on the Kalahari Margin.... 209 5-11 Probability density plot of U-Pb age populations in all zones in the Congo cratonic margin.... 210 5-12 Probability density plot of U-Pb age populations in all zones in the Kalahari cratonic margin.... 210 5-13 Hf isotope data for the zones of the Congo cratonic margin.... 211 5-14 Hf isotope data for the zones of the Kalahari cratonic margin.... 212 5-15 Probability density plot of U-Pb age populations in the Kaoko belt... 213 5-16 Hf isotope data for the Kaoko belt on the Congo cratonic margin... 213 5-17 Probability density plot of U-Pb age populations in all zones... 214 5-18 Probability density plot of Lu-Hf DM model age populations in all zones.... 214 5-19 Geologic map of southern Africa. Displays locations of source terrains... 215 13

LIST OF ABBREVIATIONS APWP CHUR CZ DM KZ LA-MC-ICP-MS MSWD NFZ NZ REE SFZ SMZ SZ TRA XRF Apparent Polar Wander Paths Chondritic Uniform Reservoir Central Zone of the Damara Orogen, located on the Congo cratonic margin Depleted Mantle Kaoko Belt, located on the Congo cratonic margin Laser Ablation Multi-Collector Inductively Coupled Plasma Mass Spectrometry Mean Square Weighted Deviation Northern Foreland Zone of the Damara Orogen, located on the Congo cratonic margin Northern Zone of the Damara Orogen, located on the Congo cratonic margin Rare Earth Elements Southern Foreland Zone of the Damara Orogen, located on the Kalahari cratonic margin Southern Margin Zone of the Damara Orogen, located on the Congo cratonic margin Southern Zone of the Damara Orogen, located on the Kalahari cratonic margin Time Resolved Analysis X-Ray Fluorescence 14

Abstract of Thesis Presented to the Graduate School of the University of Florida in Partial Fulfillment of the Requirements for the Degree of Master of Science THE CONGO-KALAHARI CRATONIC RELATIONSHIP: FROM RODINIA TO GONDWANA Chair: David Foster Major: Geology By Brittany Lynn Newstead August 2010 Identification of Precambrian suture zones is difficult, in part, because Precambrian mobile belts typically lack Phanerozoic indicators of ocean closure such as ultra high pressure (UHP) rocks and ophiolites. Knowledge of the evolutionary paths of ancient cratons provides valuable insight into the progression of supercontinent cycles. Utilizing U-Pb and Hf analyses of detrital zircons from the Neoproterozoic Damara Belt, the orogenic belt between the Congo and Kalahari cratons in southern Africa, we compared the probable sources of detritus deposited on the margins of these continents and estimated the proportions of crustal recycling for past orogenic events. The sedimentary rocks of the Congo and Kalahari margin give distinctive zircon U-Pb age populations consistent with source terrains within the respective cratons. Detrital zircons from both cratons display U-Pb age populations at ca. 1000-1100 Ma, though the population contained in the samples collected along the Congo margin is proportionally larger, and minor populations are ca. 1800-2200 Ma. The Congo marginal strata also have a major age population at ca. 600-800 Ma, which the Kalahari marginal strata lack. The samples collected in the Damara foreland basin in the Nama Group on the Kalahari craton display a minor U-Pb age population at ca. 600-700 Ma and a major population 15

at ca. 500 Ma. The populations displayed by the Congo marginal strata are consistent with a variety of intracratonic sources, including exposed basement inliers: the Angola basement, the Kuene intrusive complex (anorthosite), the Orue metamorphic terrane and the Kibara magmatic belt. The populations displayed by zircons collected on the Kalahari margin are consistent with contributions from a variety of Kalahari sources including: the Rehoboth Inlier, the Namaqua and Natal provinces, and the Zimbabwe and Kaapvaal cratons. The provenance and source terrains were different for the Congo and Kalahari cratonic margins during most of the Neoproterozoic. Only in strata deposited in the latest Neoproterozoic-Cambrian, during the amalgamation of Gondwana, were the detrital zircon signatures of the Congo and Kalahari margins similar. These findings suggest that the Congo and Kalahari cratons were independent of one another prior to the Damara Orogeny and assembly of Gondwana. 16

CHAPTER 1 INTRODUCTION The cycle of accretion and breakup of supercontinents is a consequence of the ongoing geodynamic processes of plate tectonics and mantle convection. Defining the supercontinent cycle through geologic time is, therefore, critical for understanding the geodynamic processes of the Earth. The interactions between many continents and microcontinents in the Precambrian, however, are poorly resolved due, in part, to difficulties in distinguishing reactivated mobile belts or i ntracratonic basin inversion from sutures caused by the closure of oceanic basins. Sutures marking closure of typical Phanerozoic oceans display ophiolites, ultra-high pressure rocks, and other indicators that have been largely removed in Precambrian rocks due to orogeny, erosion and reactivation. Careful study and innovative interpretati ve methods, however, have allowed for the identification of ocean basin closure sutures that do not display these classic features (e.g. Burke et al., 2003). Knowledge of these ancient suture zones, including their juxtapositions to one another and their petrologic nature (oceanic or otherwise), is increasingly critical to our understanding of supercontinent evolution and the individual histories and evolutionary paths of ancient cratons. The Congo and Kalahari cratons, currently comprising much of southwestern Africa, once formed the core of the Gondwana supercontinent, yet much of their evolution prior to that remains unclear. Two conflicting hypotheses have been put forth concerning their Precambrian relationship. One model postulates that Congo and Kalahari were connected during and participated in Rodinia (Figure 1-1a), were separated by a small inland sea during rifting, and reconnected during the amalgamation of Gondwana (e.g., Kröner and Cordani, 2003; Hanson et al., 2004). This 17

model is based on the similarities in the tectonic and rift-drift sedimentary histories of the cratons. An alternate model suggests that the cratons existed independently at the time of Rodinia with no contact before the Damara orogen and the formation of Gondwana (Figure 1-1b) and one or both may not have been a component Rodinia at all (e.g., John et al., 2003; Tohver et al., 2006). Differences in paleomagnetic histories and similarities in the Neoproterozoic sequences from most continents discount the similar sedimentary and tectonic histories. In this study, we analyzed individual detrital zircon grains extracted from Neoproterozoic continent-derived, clastic, metasedimentary rocks that were originally deposited along the margins of the Congo and Kalahari cratons during and following continental rifting (or supercontinental breakup if the cratons were involved in Rodinia). Geochronologic and Hf-isotopic analysis of detrital zircon grains from samples collected within the Damara orogenic belt were used to define the provenance of the metasedimentary rocks currently on the cratonic margins. Distinct U-Pb age populations and Hf-isotope data reveal different sources and proportions of juvenile and recycled crust, suggesting contrasting evolutionary histories for the Congo and Kalahari cratons prior to the amalgamation of Gondwana in latest Neoproterozoic-Cambrian times. 18

A B Figure 1-1. Models of Rodinia. A) Inclusive model of Rodinia includes Archean cores of the Congo and Kalahari cratons. Figure modified from Torsvik, 2003. B) Exclusive model of Rodinia does not contain the Congo and or Kalahari cratons. Figure modified from Meert and Torsvik, 2003 19

CHAPTER 2 BACKGROUND The Gondwana supercontinent formed through a series of orogenic events including ocean basin closure, continental collision, and accretion. Many of the continental fragments that comprised Gondwana were previously part of the Rodinia supercontinent and/or related to Laurentia (e.g., Kröner and Cordani, 2003; Tohver et al., 2006). The relationship of the Congo and Kalahari cratons during this time, to each other and to Rodinia as a whole, is uncertain. Robust paleomagnetic data and clear stratigraphic and structural relationships indicate that Congo and Kalahari were connected when Gondwana was amalgamated at 550-510 Ma (e.g., Meert, 2003; Gray et al., 2006; Johnson et al., 2006). Late Neoproterozoic paleomagnetic data is nonexistent for Kalahari and extremely limited for Congo, restricting our knowledge of the Congo-Kalahari relationship at that time. Kalahari Craton The Kalahari craton is composed of an Archaean nucleus partially encircled by accreted Paleoproterozoic and Mesoproterozoic age belts (Jacobs et al., 2008). The location of Kalahari within Rodinia remains unresolved. Powell and Pisarevsky (2002) proposed a model that placed Kalahari adjacent to Western Australia, where the timing of rifting is consistent with that observed in Kalahari. Their model, however, would require major rifting along the eastern, rather than the observed western, margin (Jacobs et al., 2008). Alternatively, Kalahari may have been attached to south-west Laurentia, along the Namaqua-Natal-Maud Belt (e.g., Kröner and Cordani, 2003; Jacobs et al., 2008; Li et al., 2008). The apparent polar wander paths (APWP) of Kalahari and Laurentia merge by ca. 1000 Ma, which is consistent with the timing of 20

metamorphism along the Namaqua-Natal Belt in Kalahari and that of the Grenville Belt in southern Laurentia (Li et al., 2008). Congo Craton The Congo craton is composed of various Archaean blocks, including the Angola - Kasai block and the Tanzania craton, which were amalgamated and stabilized by the end of the Paleoproterozoic (De Waele et al., 2008). The Congo craton s participation in Rodinia is still a matter of debate. Rocks along the southern margin of the Congo craton, then attached to the São Francisco craton of Brazil, record tectono-magmatic events concurrent with the amalgamation of Rodinia (De Waele et al., 2008; Li et al., 2008). This magmatism may indicate that the Congo-São Francisco craton collided with, and became an integral part of, the Rodinia supercontinent. Paleomagnetic data are compatible with two different positions for the Congo-São Francisco craton within Rodinia (De Waele et al., 2008); it may have been adjacent to the Kalahari craton as part of Laurentia or sutured to the Amazonia-Rio de la Plata craton (Li et al., 2008). Both configurations, however, display either overlap with other (better constrained) cratons, or are incompatible with other geologic evidence in the area, possibly indicating that the Congo craton was not involved in Rodinia. Kröner and Cordani (2003) and De Waele et al. (2008) argue, based on paleomagnetic and stratigraphic data, that the Congo-São Francisco craton was an independent body of land. De Waele et al. (2009) show that the Irumide belt and Paleoproterozoic Bangweulu Block were attached to the southern margin of the Congo craton by the Mesoproterozoic. The timing of the Irumide orogeny and that of other Mesoproterozoic orogenic terrains, such as the Choma- Kaloma along the Kalahari cratonic margin and the Kibaran orogen along the Congo 21

margin, is consistent with the Congo and Kalahari cratons not having been juxtaposed in the Mesoproterozoic (De Waele et al., 2009). Damara Orogeny Rift magmatism at ca. 800-750 Ma on the margins of both the Congo-São Francisco and the Kalahari cratons, coupled with rift-drift sedimentation shortly thereafter, indicate that the Congo and Kalahari cratons were not connected following the rifting of Rodinia (Jacobs et al., 2008; Li et al., 2008). It is yet unresolved whether the Adamastor Ocean, floored by true ocean crust, separated them, or if a small rift caused the formation of an inland sea, the Khomas Sea, floored by continental or transitional crust (e.g., Prave, 1996; Dürr and Dingeldey, 1996; Kröner and Cordani, 2003). The cratons ultimately collided during the widespread Pan-African/Brasiliano orogenic event at 570-500 Ma, forming the Damara-Lufilian-Zambezi Belt (Meert, 2003; Veevers, 2003). The formation of the Damara belt was contemporaneous with the final suturing of all major cratonic components in the amalgamation of Gondwana in the Cambrian. The Damara Orogen, the inland branch of which is termed the Damara Belt (Fig. 2-1), is a classic divergent orogen. It is dominated by its south-vergent zone, comprised of the schist fabrics of the Southern Zone and the thrust system of the Southern Margin Zone. There also exists a high temperature/low pressure metamorphic Central Zone dominated by granitic plutons and associated metamorphic rocks. The magmatism and structural asymmetry of the orogen suggest an Andean/Cordilleran style subduction zone existed prior to collision between 560 and 500 Ma (Gray et al., 2006; Figure 2-2). The major lithologic elements of the Damara Orogen are Archean and Proterozoic basement inliers, Neoproterozoic passive margin carbonates (Otavi facies), 22

Neoproterozoic deep water turbidites (Swakop facies), and Neoproterozoic-Cambrian foreland basin deposits (molasses) of northern and southern Namibia (Mulden and upper Nama groups, respectively; Figure 2-3). The several kilometers thick Neoproterozoic Damara Sequence is one of the most widespread units in the orogen. These Neoproterozoic and Cambrian sequences are intruded by Pan-African aged granitic plutons throughout the orogen. Deposition of the Damara Sequence occurred between ca. 770 and 600 Ma, effectively spanning the Neoproterozoic (Prave, 1996). It is composed of two major groups: 1) the basal Nosib group, dominated by rift-related siliciclastics such as quartzites, conglomerates and arenites, with a U-Pb and Pb-Pb age constraint at ca. 750 Ma (Prave, 1996), and 2) the overlying Otavi Group, composed of turbiditic greywacke, pelitic schists, psammites, and occasional mafic schists (Johnson et al., 2006). The Otavi Group contains two turbiditic carbonate formations, parts of which have been correlated with other formations interpreted to be ca. 750-735 Ma and ca. 700 Ma (Frimmel, 1995). The uppermost Otavi also contains the extensive Kuiseb Formation, dominated by turbiditic greywacke and pelitic schists. 23

Figure 2-1. Geologic map of the Damara Orogen in central Namibia. Modified from Gray et al., 2006. 24

Figure 2-2. Structural cross section of the Damara Orogen. Modified from Gray et al., 2006. A 25

B C Figure 2-3. Stratigraphic column of the Damara Orogen with collected samples labeled in appropriate strata. A) Stratigraphic column of the Kaoko Belt of the Damara Orogeny. B) Stratigraphic column of the Damara Belt of the Damara Orogeny. C) Stratigraphic column of the Gariep Belt of the Damara Orogeny. 26

CHAPTER 3 METHODS We collected samples of metasedimentary and igneous rocks from the Damara Belt and surrounding regions in 2006 and 2009. Approximately 35 samples were collected in 2006 and 50 samples were collected in 2009. Representative samples were chosen from all major stratigraphic groups along the former Neoproterozoic-Cambrian margins of the Congo and Kalahari cratons (Figure 3-1). A majority of the samples collected were metamorphosed sandstones (psammites) that were likely to have detrital zircon populations. A few pelitic samples were also collected for 40 Ar/ 39 Ar and Sm/Nd isotopic analysis. Samples were chosen for freshness and apparent mineralogical composition. Detrital Zircon Analysis U-Pb geochronology was conducted on detrital zircons from 15 samples of metasedimentary rock collected from strata deposited along the margin of the Congo craton and on 8 samples collected from strata deposited along the margin of the Kalahari craton. Samples were collected from a variety of structural/metamorphic zones across the Damara orogen between the cratons (Figure 2-3). Samples were collected from the following structural zones: the Northern Foreland Zone, the Northern Zone, the Central Zone, the Southern Zone, the Southern Margin Zone, the Southern Foreland Zone, and the Kaoko Belt. Analyses were also conducted on a granitic pluton from the Northern Zone and granitic gneissic basement from the Central Zone to investigate the zircon populations in potential source rocks for detrital zircons. U-Pb analyses of zircons were performed by LA-MC-ICP-MS following methods described herein. 206 Pb/ 238 U ages were used for grains displaying ages <1 Ga and 27

207 Pb/ 206 Pb ages were used for grains displaying ages >1 Ga. The analyses were plotted on conventional concordia diagrams and cumulative density diagrams using ISOPLOT (Ludwig, 1995) to assess discordance due to multistage Pb loss, metamorphism or mixing of growth zones and to determine source terrains. Discordant grains that plotted along reliable discordia were assumed to be of the upper intercept age and are included in probability plots as such. Discordant analyses that did not intersect the concordia curve or plot along discordia were generally removed from consideration and are not included in age populations plotted on histograms and cumulative probability plots because of the possibility of multiple stages of Pb loss and metamorphism and/or recrystallization. Lu-Hf isotope analysis was conducted on detrital zircons from 15 metasedimentary samples and two granitic samples collected from the Congo margin strata and on seven samples collected from the Kalahari craton margin strata. εhf values were calculated using the respective U-Pb ages of the adjacent laser ablation pits (DM and CHUR values as summarized by Mueller et al., 2008). The Hf isotope data along with the U-Pb ages were used to determine proportions of juvenile and recycled crust during orogenic and magmatic events on the cratons, and potentially discriminate between populations of zircons with similar U-Pb ages. Samples were purified by standard density separation methods to attain zircon concentrates and handpicked for mineral purity before being mounted in an epoxy block and polished to expose the central regions of the grains. U-Pb and Hf isotopic analyses were conducted at the University of Florida, Department of Geological Sciences, on a Nu Plasma multicollector inductively coupled plasma source mass spectrometer (MC- 28

ICP-MS) equipped with three ion counters and 12 Faraday detectors. Data calibration and drift corrections were based on multiple ablations of the reference zircons from the Duluth Gabbro (Paces and Miller, 1993) collected from the Forest Center location (FC- 1). Whole Rock Analysis Representative samples from throughout the region were also analyzed for trace element compositions on an Element2 HR-ICP-MS at the University of Florida, Department of Geological Sciences. Samples were powdered using agate coated cylinders to eliminate contamination. Quantification of the results was done by external calibration using a combination of appropriate United States Geological Survey (USGS) rock standards including andesite (AGV-1) and basalts (BCR-2 and BIR-1; as described in USGS reference material). Splits of the samples were sent for XRF whole-rock major element analysis to the Ontario Geological Survey in the Geoscience Laboratories. Radiogenic isotopic analyses were performed at the University of Florida, Department of Geological Sciences. Splits of approximately half of the sample powders used for Nd analysis were spiked with the 149 Sm/ 150 Nd Menlo Park isotopic spike. Nd and Pb were separated using standard chromatographic methods in a clean laboratory. Nd isotope measurements were conducted with the Nu-Plasma Time-Resolved Analysis (TRA) software. Calibration and drift corrections were based on repeated sampling of the JNdi-1 standard (described in Tanaka et al, 2000). Pb isotopic analyses were also conducted on the Nu Plasma MC-ICP-MS using the Tl analyzation technique described in Kamenov et al. (2004). 29

A B 30

C Figure 3-1. Geologic maps of the Damara Orogen with the location of collection for all analyzed samples marked. A) Samples collected in northern Namibia in the Northern Foreland Zone and Northern Zone. B) Samples collected in central Namibia from the Central Zone, Southern Zone and Southern Margin Zone. C) Samples collected in southern Namibia from the Southern Fore land Zone. Map modified from Gray et al., 2006. 31

CHAPTER 4 RESULTS Detrital Zircon Geochronology Northern Foreland Zone Sample BDG06-91 from the Mulden Formation (Table 4-1), which has an approximate stratigraphic age of 560 Ma (Hoffmann et al., 2004), contains four distinct clusters of concordant grains (Figure 4-1a). The concordant clusters occur at ca. 550-700 Ma, 950 Ma, 1850-2000 Ma and 2600 Ma. Two grains plot along a discordia with a lower intercept of 220 ± 200 Ma and an upper intercept of 2568 ± 11 Ma (Figure 4-1b). Of the 40 grains sampled 15, or 38%, were concordant and 2, or 5%, plotted along a discordia. Probability density plots of concordant grains and the upper intercept ages of grains plotted along a discordia from BDG06-91 display age populations, in descending order of relative abundance, at ca. 2566, 2600-2615, 1975-1980, 1875, 580-640, 1010 and 910 Ma (Figure 4-1c). Northern Zone Sample DF09-26, from the basal member of the Kuiseb Schist in the Northern Zone (Table 4-2), has an approximate stratigraphic age of 615 Ma (Hoffmann et al., 2004). The U-Pb concordia plot displays two distinct clusters of concordant grains at ca. 600-800 Ma and 875-1150 Ma and individual concordant grains at ca. 1700 and 1850 Ma (Figure 4-2a). Four of the discordant grains plot along a discordia with a lower intercept of 165 ± 110 Ma and an upper intercept of 1114 ± 24 Ma (Figure 4-2b). Of the 78 grains sampled 48, or 62%, were concordant and 4, or 5%, plotted along a discordia line. Probability density plots of concordant grains and the upper intercept ages of grains plotted along the discordia from sample DF09-26 display age populations, in 32

descending order of relative abundance, at ca. 1115, 1030, 620, 920, 690, 780, 745, 1880, 1760 and 840 Ma (Figure 4-2c). εhf values of select concordant grains range primarily between 0 and +10 with U-Pb ages mainly between 1140 and 600 Ma, except for a single outlying grain with a value of -3.6 and a U-Pb age of 1875 Ma (Table 4-27; Figure 4-2d). Lu-Hf DM model ages calculated from Hf ratios measured in sample DF09-26 range from ca. 800-1400 Ma for most of the grains with a minor age range of ca. 2000 to 2300 Ma (Figure 4-2e). Sample DF09-30 is from an upper section of the Kuiseb Schist in the Northern Zone (Table 4-3) and has a stratigraphic age of approximately 590 Ma (Hoffmann et al., 2004). The U-Pb concordia plot displays four discrete concordant points which occur at ca. 625 Ma, 1375 Ma, 1800 Ma and 2000 Ma (Figure 4-3a). The discordant grains are quite scattered but many plot along a discordia with an apparent lower intercept of 206 ± 210 Ma and an upper intercept of 1994 ± 13 Ma (Figure 4-3b). Of the 28 grains sampled 4, or 14%, were concordant and 10, or 36%, plotted along a discordia line. Probability density plots of concordant grains and the upper intercept ages of grains plotted along a discordia from sample DF09-30 display an age population at ca. 2021 Ma and individual grain ages of ca. 625, 1380 and 1825 Ma (Figure 4-3c). εhf values of select concordant grains range primarily between -6 and -9 with U-Pb ages of ca. 2000 Ma, except for two outlying grains with εhf values of +4 and +1 with U-Pb ages of 1381 and 1824 Ma, respectively (Table 4-28; Figure 4-3d). Lu-Hf DM model ages calculated from Hf ratios measured in concordant grains from sample DF09-30 display a major population at 2625-2700 Ma and a minor age range at 1700 to 2200 Ma (Figure 4-3e). 33

Central Zone Sample DF09-44, from the Etusis Formation of the Nosib Group i n the Central Zone (Table 4-6), has an approximate stratigraphic age of 780 Ma (Hoffmann et al., 2004). This formation is in stratigraphic contact with the basement. The concordia diagram displays a single cluster of concordant grains at ca. 950-1050 Ma and one concordant grain at ca. 2050 Ma (Figure 4-4a). A majority of the discordant grains plot along a discordia with a lower intercept of 451 ± 45 Ma and an upper intercept of 1057 ± 11 Ma (Figure 4-4a) or along one with a lower intercept of 833 ± 250 Ma and an upper intercept of 2078 ± 39 Ma (Figure 4-4b). Of the 60 grains sampled 29, or 48%, were concordant and 24, or 40%, plotted along the discordia lines. A probability density plot of concordant grains and the upper intercept ages of grains plotted along the discordia from DF09-44 displays age populations, in descending order of relative abundance, at ca. 1050, 1020, 2030-2070 and 945 Ma (Figure 4-4c). The population at 1050 Ma is more than twice as abundant as the one at 1020 Ma. εhf values of select concordant grains range primarily between -22 and -17 for grains with U-Pb ages of ca. 1000-1060 Ma, excepting two outlying grains with values of -3.2 and +0.5 and U-Pb ages of 2046 and 2078 Ma. respectively (Table 4-30; Figure 4-4d). Lu-Hf DM model ages calculated from Hf ratios measured in sample DF09-44, in descending order of abundance, display age ranges at ca. 2250-2300, 2220-2240, 2320-2350, 2380-2420 and 2500 Ma (Figure 4-4e). Sample CZ29 is from the Khan Formation of the Upper Nosib Group in the northern Central Zone (Table 4-7) and has an approximate stratigraphic age of 750 Ma (Hoffmann et al., 2004). The concordia plot displays two distinct clusters of concordant grains at ca. 1000-1050 Ma and 1950-2050 Ma (Figure 4-5a). A majority of discordant 34

grains plot along a discordia line with a lower intercept of 212 ± 250 and an upper intercept of 1026 ± 26 Ma (Figure 4-5b). Of the 19 grains sampled 4, or 21 %, were concordant and 3, or 16%, plotted along the discordia line. Probability density plots of the concordant grains and the upper intercept ages of grains plotted along the discordia from CZ29 display age populations, in descending order of relative abundance, at ca. 1025, 2030 and 1010 Ma (Figure 4-5c). εhf values of four concordant grains with U-Pb ages of 1000-1050 Ma range between -18 and -12 (Table 4-31; Figure 4-5d). Another concordant grain with a U-Pb age of 2030 Ma display εhf values of -3.1. Lu-Hf DM model ages calculated from Hf ratios measured in sample CZ29 display populations at ca. 2050 and 2450 Ma with a less abundant age range of 2000 to 2200 Ma (Figure 4-5e). Sample CZ40 is from the Rossing Formation in the Central Zone (Table 4-8) and has an approximate stratigraphic age of 740 Ma (Hoffmann et al., 2004). The concordia plot displays two distinct clusters of concordant grains at ca. 1000-750 Ma and 2000-1800 Ma and an individual concordant grain at ca. 2650 Ma (Figure 4-6a). The only discordant grain plots slightly above the concordia at ca. 2900 Ma. Of the 14 grains sampled 13, or 93 %, were concordant. Probability density plots of the concordant grains from CZ40 display age populations, in descending order of relative abundance, at ca. 1800-1850, 900-1000, 1900-1950, 800 and 2650 Ma (Figure 4-6b). Sample CZ53b, from the Tinkas Formation in the Upper Otavi Group in the southern Central Zone (Table 4-9), has an approximate stratigraphic age of 700 Ma (Hoffmann et al., 2004). The concordia plot of these data shows two clusters of concordant grains at ca. 550-850 and 850-1150 Ma (Figure 4-7a). One discordant grain plots along a discordia with a lower intercept of 833 ± 170 Ma and an upper intercept of 35

1106 ± 93 Ma (Figure 4-7b). Of the 110 grains sampled 63, or 57%, were concordant and 1, or 1%, plotted along the discordia line. Probability density plots of the concordant grains and the upper intercept ages of grains plotted along the discordia from CZ53b display age populations, in descending order of relative abundance, at ca. 640, 1050, 700, 1090, 760, 1145, 1000 and 890 Ma (Figure 4-7c). εhf values of select concordant grains range primarily between 0 and +13 with U-Pb ages ranging from ca. 1145 to 630 Ma, excepting three outlying grains with εhf values ranging between -15 and -13 and U- Pb ages between ca. 1050 and 980 Ma (Table 4-32; Figure 4-7d). Lu-Hf DM model ages calculated from Hf ratios measured in sample CZ53b display populations, in decreasing order of relative abundance, at ca. 1100-1150, 1175-1280, 1050-1100, 1400, 900-950, 1350, 1450-1525 and 2050 with a less abundant age range of 1600 to 2100 Ma (Figure 4-7e). Sample CZ35 is from the Karibib Formation of the Mulden Group in the northern Central Zone (Table 4-10) and has an approximate stratigraphic age of 600 Ma (Hoffmann et al., 2004). The concordia plot displays two distinct clusters of concordant grains at ca. 600-850 Ma and 900-1200 Ma and an individual concordant grain at ca. 2025 Ma (Figure 4-8a). Of the 110 grains sampled 75, or 68%, were concordant. Probability density plots of concordant grains from CZ35 display age populations, in descending order of relative abundance, at ca. 745, 680, 1090, 1050, 1010, 975, 820, 2020, 1340 and 900 Ma (Figure 4-8c). Grains with U-Pb ages between ca. 1130 and 630 Ma display εhf values of select concordant grains range primarily between -6 and +11, except three outlying grains with values ranging between -13 and -10 and U-Pb ages between ca. 1340 and 700 Ma and one with a value of +27 and a U-Pb age of ca. 36

2025 Ma (Table 4-33; Figure 4-8d). Lu-Hf DM model ages calculated from Hf ratios measured in sample CZ35 display populations, in descending order of relative abundance, at ca. 1075-1100, 1275-1300, 1150, 1200, 1350, 950-1050 and 1650 with less abundant age ranges from 1400 to 1800 and 2100 to 2300 Ma (Figure 4-8e). Southern Zone Sample DF06-22 (SZ40), with an approximate stratigraphic age of 635 Ma (Hoffmann, 1997), is from the Kuiseb Schist within the Matchless Amphibolite Belt in the Southern Zone (Table 4-11). The U-Pb concordia plot displays a wide spread of concordant grains with no distinct clustering (Figure 4-9a). A majority of the discordant grains plot along a discordia line with a lower intercept of 349 ± 110 Ma and an upper intercept of 1981 ± 26 Ma (Figure 4-9b). Of the 38 grains sampled 11, or 29%, were concordant and 5, or 13%, plotted along the discordia line. Probability density plots of the concordant grains and the upper intercept ages of grains plotted along the discordia from DF06-22 display age populations, in descending order of relative abundance, at ca. 1980, 2975, 515, 2125, 630, 725, 2530, 965 and 1775 Ma (Figure 4-9c). εhf values of select concordant grains range primarily between +3 and +11 with U-Pb ages from ca. 975 to 520 Ma and between -8 and +2 for grains with U-Pb ages between ca. 2130 and 1960 Ma, excepting outlying grains with values of -13, -58 and +1.5 and U-Pb ages of 973, 2540 and 2980 Ma, respectively (Table 4-34; Figure 4-9d). Lu-Hf DM model ages calculated from Hf ratios measured in sample DF06-22 range from ca. 2275-2425, 2530-2610, 1850-2000, 680-1400 and 3100-4600 Ma (Figure 4-9e). Sample SZ13 is from the Kuiseb Formation of the Khomas Group in the northern Southern Zone (Table 4-12) and has an approximate stratigraphic age of 600 Ma (Hoffmann, 1997). The U-Pb concordia plot displays two distinct clusters of concordant 37

grains at ca. 600-800 Ma and 900-1100 Ma and two individual concordant grains at ca. 1875 and 2025 Ma (Figure 4-10a-b). Several of the discordant grains plot along a discordia with a lower intercept of 650 ± 40 Ma and an upper intercept of 1411 ± 74 Ma (Figure 4-10c). Of the 108 grains sampled 37, or 34%, were concordant and 8, or 7%, plotted along the discordia line. Probability density plots of the concordant grains and the upper intercept ages of grains plotted along the discordia from SZ13 display age populations, in descending order of relative abundance, at ca. 675, 750-780, 1400, 950, 1060, 620, 1880 and 2040 Ma (Figure 4-10d). εhf values of select concordant grains range primarily between -6 and +9 for grains with U-Pb mainly between 1100 and 590 Ma and between +10 and +17 for grains with U-Pb ages of ca. 1410 Ma (Table 4-35; Figure 4-10e). Outlying grains display εhf values of +26, +14, +23, -7 and +4 with U-Pb ages of 956, 1035, 1411, 1883 and 2043 Ma, respectively. Lu-Hf DM model ages calculated from Hf ratios measured in sample SZ13 display populations, in descending order of relative abundance, at ca. 1000, 1200-1250, 1350-1400, 440-900, 1100, 1450-1500, 1600-1650 and 1750-2500 Ma (Figure 4-10f). Southern Margin Zone Sample DF09-12a is from the Hakos Formation of the Kudis Subgroup in the Southern Margin Zone (Table 4-13) and has an approximate stratigraphic age of 680 Ma (Hoffmann, 1997). The U-Pb concordia diagram displays a single cluster of concordant grains at ca. 1000-1550 Ma and two concordant grains at ca. 1900 Ma (Figure 4-11a). Many of the discordant grains plot along a discordia with a lower intercept of 388 ± 71 Ma and an upper intercept of 1901 ± 18 Ma (Figure 4-11b). Of the 68 grains sampled 42, or 62%, were concordant and 5, or 7%, plotted along the discordia line. Probability density plots of concordant grains and the upper intercept 38

ages of grains plotted along the discordia from DF09-12a display age populations, in descending order of relative abundance, at ca. 1900, 1235, 1200, 1345, 1040, 1120, 1485, 1280, 1570 and 1930 Ma (Figure 4-11c). εhf values of select concordant grains from sample DF09-12a range between -5 and +6 with U-Pb ages between ca. 1940 and 1020 Ma (Table 4-36; Figure 4-11d). Lu-Hf DM model ages calculated from Hf ratios range, in order of relative abundance, from ca. 1350-1530, 1630-1780, 1600, 1850-1900, 2000 and 2050-2420 Ma (Figure 4-11e). Sample DF09-04, with an approximate stratigraphic age of 625 Ma (Hoffmann, 1997), is from the Naos Diamictite in the Southern Margin Zone (Table 4-14). The sample set contains two distinct clusters of concordant grains at ca. 1000-1350 Ma and 1700-2000 Ma (Figure 4-12a). A majority of the discordant grains follow the curve of the concordia line but are slightly offset from it with no discordia line formed. Of the 60 grains sampled 41, or 68%, were concordant. Probability density plots of concordant grains and the upper intercept ages of grains plotted along the discordia from DF09-04 display age populations, in descending order of relative abundance, at ca. 1225, 1155, 1115, 1785, 1330-1350, 1880, 1260, 1300, 1020-1050, 1400, 1990, 1850, 1520 and 1915 Ma (Figure 4-12b). εhf values of select concordant grains range primarily between -2 and +3 with U-Pb ages primarily at ca. 1525-1060 Ma and one grain with an age of 1990 Ma, and one outlying grain with a value of -6.2 and a U-Pb age of 1262 Ma (Table 4-37; Figure 4-12d). Lu-Hf DM model ages calculated from Hf ratios measured in sample DF09-04 range between ca. 1500-1750, 1825-1900 and 1975-2300 Ma (Figure 4-12e). Southern Foreland Zone Sample DF06-40 is from the Kuibis Formation of the Nama Group in the Southern Foreland Zone (Table 4-15) and has a stratigraphic age of approximately 600 Ma 39

(Hoffmann, 1997). The U-Pb concordia plot displays four distinct clusters of concordant grains at ca. 1050 Ma, 1350 Ma, 2000-2100 Ma, and 2600 Ma (Figure 4-13a). A majority of the discordant grains plot along three distinct discordia with lower intercepts of 643 ± 55, 795 ± 70 and 894 ± 99 Ma and upper intercepts of 2695 ± 12, 1392 ± 65 and 2166 ± 20 Ma, respectively (Figure 4-13b-c). Of the 60 grains sampled 17, or 28%, were concordant and 19, or 32%, plotted along the discordia lines. Probability density plots of the concordant grains and the upper intercept ages of grains plotted along the discordia from DF06-40 display age populations, in descending order of relative abundance, at ca. 2165, 2700, 2030-2045, 1085, 1355-1375, 2110, 2555 and 1895 Ma (Figure 4-13d). εhf values of select concordant grains from sample DF06-40 range between -10 and +9 with U-Pb age ranging from ca. 2700 to 1085 Ma (Table 4-38; Figure 4-13e). Lu-Hf DM model ages calculated from Hf ratios range, in order of relative abundance, from ca. 1400-1550, 2850-3000, 2400-2850 and 1900-2350 Ma (Figure 4-13f). Sample DF06-41 is from the Schwarzrand Subgroup of the Nama Group in the Southern Foreland Zone (Table 4-16) and has a stratigraphic age of approximately 580 Ma (Hoffmann, 1997). The U-Pb concordia plot displays three distinct clusters of concordant grains at 800-1100 Ma, 2300-2600 Ma and 3300 Ma (Figure 4-14a). There is also an individual concordant grain at ca. 2800 Ma. A majority of the discordant grains plot along two distinct discordia with lower intercepts of 496 ± 39 and 1806 ± 240 Ma and upper intercepts of 896 ± 99 and 2879 ± 88 Ma, respectively (Figure 4-14b-c). Of the 60 grains sampled 36, or 60%, were concordant and 11, or 18%, plotted along the discordia lines. Probability density plots of the concordant grains and the upper intercept 40

ages of grains plotted along the discordia from DF06-41 display age populations, in descending order of relative abundance, at ca. 2055, 2060-2120, 1015-1045, 2025, 1980, 1110, 835-925, 2840, 3400, 3335, 2565, 2475-2480, 2440, 2310 and 825 Ma (Figure 4-14d). εhf values of select concordant grains range primarily between -9 and +12 for grains displaying U-Pb ages ranging from 3336 to 833 Ma, excepting one outlying grain with a value of -14 and a U-Pb age of 900 Ma (Table 4-39; Figure 4-14e). Lu-Hf DM model ages calculated from Hf ratios measured in sample DF06-41 range, in descending order of relative abundance, from ca. 1180-1300, 1500-1620, 950-1000, 2700-2800, 1650-2600 and 2900-3800 Ma (Figure 4-14f). Sample DF06-46, from the Schwarzrand Subgroup of the Nama Group in the Southern Foreland Zone (Table 4-17), has an approximate stratigraphic age of 560 Ma (Hoffmann, 1997). The U-Pb concordia plot displays two clusters of concordant grains at ca. 600 Ma and 1000 Ma (Figure 4-15a). A majority of the discordant grains plot along a discordia with a lower intercept of 153 ± 52 Ma and an upper intercept of 1058 ± 11 Ma (Figure 4-15b). Of the 40 grains sampled 6, or 15%, were concordant and 10, or 25%, plotted along the discordia line. Probability density plots of concordant grains and the upper intercept ages of grains plotted along the discordia from DF06-46 display age populations, in descending order of relative abundance, at ca. 1060, 585 and 1025 Ma (Figure 4-15c). The population at ca. 1060 Ma is more than twice as abundant as the one at ca. 585 Ma. Sample DF06-45, from the Fish River Formation in the Nama Group of the Southern Foreland Zone (Table 4-18), has an approximate stratigraphic age of 535 Ma (Hoffmann, 1997). The U-Pb concordia plot displays three distinct clusters of 41

concordant grains at ca. 550-700 Ma, 850-1100 Ma, and 2100-2250 Ma (Figure 4-16ab). A majority of the discordant grains plot along a discordia with a lower intercept of 120 ± 49 Ma and an upper intercept of 1058 ± 14 Ma (Figure 4-16c). Of the 60 grains sampled 39, or 65%, were concordant and 6, or 10%, plotted along the discordia line. Probability density plots of the concordant grains and the upper intercept ages of grains plotted along the discordia from DF06-45 display age populations, in descending order of relative abundance, at ca. 540, 1055, 645, 2090, 2215, 865 and 940 Ma (Figure 4-16d). The population at ca. 540 Ma is approximately twice as abundant as the one at ca. 1055 Ma. εhf values of select concordant grains range primarily between -8 and -2 for grains with U-Pb ages between ca. 650 and 1050 Ma excepting four outlying grains with εhf values of +2, +4, +8 and +1 with U-Pb ages of 535, 553, 1064 and 2223 Ma (Table 4-40; Figure 4-16e). Lu-Hf DM model ages calculated from Hf ratios measured in sample DF06-45 range, in descending order of relative abundance, from ca. 1220-1460, 1460-1550, 980-1010 and 1600-2520 Ma (Figure 4-16f). Sample DF06-44, from the Fish River Formation in the Nama Group of the Southern Foreland Zone (Table 4-19), has a stratigraphic age of approximately 530 Ma (Hoffmann, 1997). The U-Pb concordia plot displays two distinct clusters of concordant grains at ca. 500-750 Ma and 950-1100 Ma and two individual concordant grains at ca. 1850 and 1950 Ma (Figure 4-17a-b). A majority of the discordant grains plot along a discordia with a lower intercept of 444 ± 20 Ma and an upper intercept of 1095 ± 10 Ma (Figure 4-17c). Of the 60 grains sampled 33, or 55%, were concordant and 7, or 12%, plotted along the discordia line. Probability density plots of the concordant grains and the upper intercept ages of grains plotted along the discordia from DF06-44 display age 42

populations, in descending order of relative abundance, at ca. 1100, 1045, 615, 525-530, 660, 730, 945, 1925 and 1480 Ma (Figure 4-17d). The population at ca. 1100 Ma is approximately twice as abundant as the one at ca. 1045 Ma. εhf values of select concordant grains range primarily between -10 and +16 for grains with U-Pb ages that range from ca. 1485 to 520 Ma, excepting one outlying grain with a value of -23 and a U-Pb age of 954 Ma (Table 4-41; Figure 4-17e). Lu-Hf DM model ages calculated from Hf ratios measured in sample DF06-44 range, in descending order of relative abundance, from ca. 1650-1800, 1350-1500, 925-1300 and 1850-2350 Ma (Figure 4-17f). Sample DF06-43, from the Fish River Formation in the Nama Group of the Southern Foreland Zone (Table 4-20), has an approximate stratigraphic age of 525 Ma (Hoffmann, 1997). The data plotted on a conventional concordia plot show four distinct clusters of concordant grains at ca. 550-650 Ma, 830-900 Ma, 1000-1150 Ma, and 1850-1950 Ma (Figure 4-18a-b). A majority of discordant grains plot along a discordia with a lower intercept of 302 ± 49 Ma and an upper intercept of 1087 ± 14 Ma (Figure 4-18c). Of the 60 grains sampled 30, or 50%, were concordant and 6, or 10%, plotted along the discordia line. Probability density plots of the concordant grains and the upper intercept ages of grains plotted along the discordia from DF06-43 display age populations, in descending order of relative abundance, at ca. 1085, 840, 1055, 550, 610, 1870 and 1930 Ma (Figure 4-18d). εhf values of select concordant grains range primarily between -7 and +12 for grains with U-Pb age ranging from ca. 1935 to 560 Ma (Table 4-42; Figure 4-18e). Lu-Hf DM model ages calculated from Hf ratios measured in sample DF06-43 range, in descending order of relative abundance, from ca. 1300-1450, 1000-1180, 1290-1325, 1500-1620, 1700-2000 and 2300-2600 Ma (Figure 4-18f). 43

Granitic Rocks Sample DF09-37, from a granitic pluton in the Northern Zone (Table 4-4), contains a single population of concordant grains at ca. 525 Ma on a U-Pb concordia diagram (Figure 4-19a). Several of the discordant grains plot along a discordia with a lower intercept of 41 ± 99 and an upper intercept of 604 ± 22 (Figure 4-19b-c). Of the 26 grains sampled 6, or 23%, were concordant and 6, or 23%, plotted along the discordia line. The weighted mean age of crystallization using 206 Pb/238 U for concordant grains from DF09-37 is 511.3 ± 6.6 Ma with 95% confidence and an MSWD of 0.82 (N=6; Figure 4-19d). Sample DF09-43 is from the granitic gneiss basement rock of the Central Zone (Table 4-5), below the Nosib Group sample, DF09-44. The U-Pb concordia diagram displays a single cluster of concordant grains at ca. 950-1050 Ma and one discrete concordant grain ca. 520 Ma (Figure 4-20a). A majority of the discordant grains plot along a discordia with a lower intercept of 277 ± 140 Ma, an upper intercept of 1036 ± 11 Ma and an MSWD of 2.8 (Figure 4-20b). Of the 70 grains sampled 48, or 69%, were concordant and 14, or 20%, plotted along the discordia line. The concordant grains from DF09-43 display a weighted mean age of crystallization of 1027.9 ± 2.2 Ma with 95% confidence and an MSWD of 1.2 using 207 Pb/206 Pb ages for grains with ages >1.0 Ga and 206 Pb/238 U for grains with ages <1.0 Ga (N=38; Figure 4-20c). εhf values of select concordant grains range primarily between -20 and -11 with U-Pb ages between ca. 1045 and 1030 Ma, excepting three outlying grains with values of -22.5, -22.5 and - 26 with U-Pb ages of ca. 1023, 1055 and 514 Ma, respectively (Table 4-29; Figure 4-20d). Lu-Hf DM model ages calculated from Hf ratios measured in sample DF06-43 44

range, in descending order of relative abundance, from ca. 2100-2200, 2200-2450, and 1950-2100 Ma (Figure 4-20e). Kaoko Belt Sample DF06-18, from the Hoanib River Formation of the Nosib Group in the central Kaoko Belt (Table 4-21), has an approximate stratigraphic age of 770 Ma (Stanistreet and Charlesworth, 2001). The U-Pb concordia diagram displays three distinct clusters of concordant grains at ca. 800-1200 Ma, 1850-2050 Ma and 2600 Ma (Figure 4-21a). A majority of discordant grains plot along two discordia with lower intercepts of -403 ± 680 and -96 ± 290 Ma and upper intercepts of 1858 ± 18 and 2049 ± 8.5 Ma, respectively (Figure 4-21b). Of the 80 grains sampled 27, or 34%, were concordant and 7, or 9%, plotted along the discordia line. Probability density plots of the concordant grains and the upper intercept ages of grains plotted along the discordia from DF06-18 display age populations, in descending order of relative abundance, at ca. 2050, 1850-1865, 2625, 2085, 1210, 980, 1020-1040, 1090, 1115 and 800 Ma (Figure 4-21c). εhf values of select concordant grains range primarily between -18 and +4 for grains with U-Pb ages of 980 to 1225 Ma and between -7 and +3 for grains with U-Pb ages of 1855 to 2055 Ma (Table 4-43; Figure 4-21d). Outlying grains display εhf values of -26 and +3 with U-Pb ages of 811 and 1090 Ma, respectively. Lu-Hf DM model ages calculated from Hf ratios measured in sample DF06-18 range from ca. 1460-1950, 2070-2160, 2250-2260, 2350 and 2470-2550 Ma (Figure 4-21e). Sample DF09-38, from the Ogden Mylonite in the Coastal Terrain (Table 4-22), has an approximate stratigraphic age of 760 Ma (Goscombe and Gray, 2008). The U-Pb concordia diagram displays a single cluster of concordant grains at ca. 1850 Ma and one concordant grain at ca. 1400 Ma (Figure 4-22a). A majority of the discordant grains 45

plot along a discordia with a lower intercept of 518 ± 89 Ma and an upper intercept of 1861.8 ± 5.4 Ma (Figure 4-22a). Of the 59 grains sampled 40, or 68%, were concordant and 8, or 14%, plotted along the discordia line. Probability density plots of concordant grains and the upper intercept ages of grains plotted along the discordia from DF09-38 display age populations, in descending order of relative abundance, at ca. 1850-1875, 1780 and 1435 Ma (Figure 4-22b). The population at 1850-1875 Ma is more than 10 times more abundant than the 1780 Ma population. εhf values of select concordant grains from sample DF09-38 range between -8 and -2 with U-Pb ages primarily between ca. 1880 and 1830 Ma, excepting one grain with a U-Pb age of 1440 Ma (Table 4-44; Figure 4-22c). Lu-Hf DM model ages calculated from Hf ratios display populations, in decreasing relative abundance, at ca. 2400-2450, 2500, 2400, 2525 and 2050-2300 Ma (Figure 4-22d). Sample DF09-39, from the Ogden Mylonite in the Coastal Terrain (Table 4-23), has an approximate stratigraphic age of 750 Ma (Goscombe and Gray, 2008). The U-Pb concordia diagram displays a single cluster of concordant grains at ca. 2560 Ma (Figure 4-23a). A majority of the discordant grains plot along a discordia with a lower intercept of 562 ± 98 Ma and an upper intercept of 2606.3 ± 7.7 Ma (Figure 4-23a). Of the 41 grains sampled 8, or 20%, were concordant and 15, or 37%, plotted along the discordia line. A probability density plot of concordant grains and the upper intercept ages of grains plotted along the discordia from DF09-39 displays one age population at ca. 2600-2625 Ma (Figure 4-23b). εhf values of concordant grains from sample DF09-39 range between -3 and +1 for grains with U-Pb ages between ca. 2580 and 2610 Ma, excepting one outlying grain with an εhf value of +9 and a U-Pb age of 2606 Ma (Table 46

4-45; Figure 4-23c). Lu-Hf DM model ages calculated from Hf ratios range, in descending order of relative abundance, from ca. 2850-3000 and 2525-2825 Ma (Figure 4-23d). Sample DF06-11, from the eastern Coastal Terrane of the Kaoko Belt (Table 4-24), has an approximate stratigraphic age of 660 Ma (Goscombe and Gray, 2008). The U-Pb concordia diagram displays one cluster of concordant grains between ca. 600 and 900 Ma (Figure 4-24a). A majority of the discordant grains plot along a discordia with a lower intercept of -544 ± 180 Ma and an upper intercept of 816.9 ± 8.1 Ma (Figure 4-24b). Of the 110 grains sampled 62, or 56%, were concordant and 8, or 7%, plotted along the discordia line. A probability density plot of the concordant grains and the upper intercept ages of grains plotted along the discordia from DF06-11 display age populations, in descending order of relative abundance, at ca. 815, 665, 765 and 790 Ma (Figure 4-24c). εhf values of select concordant grains from sample DF06-11 range between +2 and +10 with U-Pb ages of ca. 835-620 Ma (Table 4-46; Figure 4-24d). Lu- Hf DM model ages calculated from Hf ratios range, in order of decreasing relative abundance, from ca. 1025, 1075, 1100, 925-1000 and 1150-1250 Ma (Figure 4-24e). Sample DF06-08, from the Khumib Terrane of the Swakop Group in the central Orogen Core (Table 4-26), has an approximate stratigraphic age of 600 Ma (Stanistreet and Charlesworth, 2001). The U-Pb concordia diagram displays three clusters of concordant grains at ca. 550-825 Ma, 825-1150 Ma and 1400 Ma (Figure 4-25a-b). A majority of the discordant grains plot along four separate discordia with lower intercepts of 579 ± 28, 344 ± 150, 34 ± 230, -374 ± 330 and 324 ± 130 Ma and upper intercepts of 1097 ± 33, 1044 ± 17, 1043 ± 20, 998 ± 19 and 1017 ± 13 Ma, respectively (Figure 4-25c). Of the 98 grains sampled 65, or 66%, were concordant and 9, or 9%, plotted along 47

the discordia line. Probability density plots of the concordant grains and the upper intercept ages of grains plotted along the discordia from DF06-08 display age populations, in descending order of relative abundance, at ca. 620, 1035, 1015, 575, 750, 1000, 1080, 1130, 1470, 1450, 910, 870 and 830 Ma (Fig. 4-25d). εhf values of select concordant grains range primarily between -6 and +12 with U-Pb ages ranging from ca. 1455 to 625 Ma, excepting two outlying grains with εhf values -10 and -15.4 and U-Pb ages of 605 and 1131 Ma, respectively (Table 4-48; Figure 4-25e). Lu-Hf DM model ages calculated from Hf ratios measured in sample DF06-08 range, in order of decreasing relative abundance, from ca. 1100, 1250, 1000, 1525, 1400, 1600-1850 and 2000-2250 Ma (Figure 4-25f). Sample DF06-17, from the Hoanib River Formation of the Swakop Group in the western Kaoko Belt (Table 4-25), has an approximate stratigraphic age of 600 Ma (Stanistreet and Charlesworth, 2001). The U-Pb concordia diagram displays two clusters of concordant grains at ca. 1200 Ma and 1700-1850 Ma (Figure 4-26a). A majority of discordant grains plot along two distinct discordia with lower intercepts of 1184 ± 78 and 693 ± 83 Ma and upper intercepts of 1937 ± 49 and 2085 ± 53 Ma, respectively (Figure 4-26b-c). Of the 49 grains sampled 14, or 29%, were concordant and 19, or 39%, plotted along the discordia line. Probability density plots of the concordant grains and of grains plotted along the discordia lines from DF06-17 display age populations, in descending order of relative abundance, at ca. 1730, 1755, 1705, 1825, 1835, 2075, 1620, 1670, 1780, 1230, 1215 and 1555 Ma (Figure 4-26d). In the probability density plots 207 Pb/ 206 Pb ages were used for grains plotted along the discordia with an upper intercept of 1937 ± 49 Ma, whereas the upper intercept age was 48

used for grains that plotted along the discordia line with an upper intercept of 2085 ± 53 Ma. εhf values of select concordant grains range primarily between -3 and 0 with U-Pb ages of ca. 1830-1745 Ma and range between +4 and +12 for grains with U-Pb ages of ca. 1935-2085 Ma, excepting one outlying grain with a value of +2 and a U-Pb age of 1232 Ma (Table 4-47; Figure 4-26e). Lu-Hf DM model ages calculated from Hf ratios measured in sample DF06-17 range, in decreasing order of relative abundance, from ca. 2150-2250, 1600-2050 and 2275-2350 Ma (Figure 4-26f). Initial Hf Isotope Data εhf values of samples collected on the margin of the Congo craton plot primarily between 0 and +10 for grains with U-Pb ages of ca. 550-900 Ma, except fewer than 10 grains that plot between -10 and 0 and two grains with values of -26 (Figure 4-27). In contrast, samples collected on the margin of the Kalahari craton, in the Southern Foreland Zone, contain εhf values that lie primarily between -10 and +3 from ca. 525-900 Ma. There is a gap in the Kalahari data set at ca. 650-850 Ma with only two grains in that age range; whereas the Congo craton data set is continuous. Both cratons display a lack of grains with U-Pb ages between ca. 910 and 940 Ma and only a few data points are available. The grains with U-Pb ages between ca. 900 and 970 Ma collected on the Congo margin display εhf values that range from -5 to +9, except one grain with an εhf value of +26 and a U-Pb age of 955 Ma. Grains collected in the Congo margin displaying U-Pb ages of ca. 970-1000 Ma display εhf values range between -15 to +7. The six grains collected in the Kalahari margin displaying U-Pb ages of ca. 900-1000 Ma display εhf values of +11, +11, -3, -8, -14 and -23. The zircons from the Congo cratonic margin strata display εhf values ranging from -22.5 to -12 and from 0 to +14, with a higher proportion of samples in the former range, for grains with U-Pb 49

ages between ca. 1000 and 1100 Ma. The Kalahari cratonic margin samples exhibit εhf values primarily between -4 and +8 for grains with U-Pb ages between ca. 1000 and 1100 Ma, except one grain with an εhf value of -10 and a U-Pb age of 1033 Ma and one with an εhf value of -7 and a U-Pb age of 1094 Ma. Grains with U-Pb ages from ca. 1100 to 1150 Ma collected along the Congo cratonic margin have εhf values spread from -15 to -5 and from 0 to +12 with a higher proportion of positive values. εhf data for grains with U-Pb ages from 1150 to 1500 Ma collected in the Congo margin is sparse. Four grains with U-Pb ages of ca. 1230-1200 display εhf values of -7 to +1, a grain with a U-Pb age of 1339 Ma displays an εhf value of -13, another grain with a U-Pb age of 1381 Ma displays an εhf value of +4, six grains with U-Pb ages of 1411 Ma display εhf values of +10 to +15, one grain with a U-Pb age of 1411 Ma displays an εhf value of +23 and three grains with U-Pb ages of ca. 1475-1440 Ma display εhf values of -5.5 to +0.5. The Kalahari margin strata display a more complete data set for grains with U-Pb ages between 1100 and 1600 Ma. εhf values for grains collected on the Kalahari margin with U-Pb ages from 1100 to 1170 Ma range between -1 and +7. Grains with U- Pb ages of ca. 1200-1360 display εhf values of -6 to +5, with a higher proportion of positive values than negative. Six grains have U-Pb ages between ca. 1575 and 1475 Ma and display εhf values of -1 to +6. The Congo cratonic margin strata contain no grains with U-Pb ages between ca. 1500 and 1825 Ma except for three grains at ca. 1745-1760 Ma with εhf values between -3 and 0 and one grain of the same age with an εhf value of +3. The Kalahari margin strata display a similar lack of U-Pb ages between ca. 1600 and 1875 Ma. εhf values for the Congo cratonic margin with U-Pb ages between ca. 1800 and 1970 Ma 50

primarily fall between -8 and -3, except for two grains with εhf values of -0.5 to +1 and U-Pb ages of ca. 1825-1830 Ma and two grains displaying εhf values of +1.7 and U-Pb ages of ca. 1875 Ma. Samples collected in the Kalahari cratonic margin with U-Pb ages of ca. 1875 to 1940 Ma display εhf values primarily between -9 and -2 while those displaying U-Pb ages of ca. 2030-1990 Ma display εhf values of -3 to +3. The Kalahari margin samples display εhf values of -9 to -1 for U-Pb ages of 2125-2110 Ma and there is a single grain with a U-Pb age of 2223 Ma and an εhf value of +1. Data sets for both cratons are sparse for the Archean aged zircon grains, and most of the Archean grains analyzed were highly discordant with elevated common Pb. The Congo cratonic margin has three Archean zircons that display εhf values between 0 and -1 at ca. 2600-2560 Ma. The Kalahari cratonic margin contains two grains with U-Pb ages of ca. 2710-2690 Ma with εhf values of -1 to +2 and a grain with an εhf value of +3 and a U-Pb age of 2843 Ma. Sm/Nd Analysis Whole-rock Sm/Nd isotope data for 30 meta-pelitic and meta-semipelitic rocks from the Congo and Kalahari cratonic margins (Table 4-49 through Table 4-55) gave depleted mantle Sm-Nd DM model ages (DM values as summarized by Depaolo, 1981; CHUR values as summarized by Bouvier et al., 2008) between 1.4 and 2.8 Ga regardless of cratonic heritage (Figure 4-28). No significant variation could be discerned on either side of the boundary between the strata deposited along the Congo and Kalahari cratonic margins at the Southern Zone Southern Margin Zone (SZ-SMZ) boundary or due to the distance from the boundary; the pelitic and semipelitic strata deposited along the margins of these two craton cratons yield indistinguishable Nd isotopic data. εnd values at 625 Ma (Figure 4-29), a period of significant glaciation and 51

approximately when the strata were deposited, were statistically indistinguishable for the two different cratonic margins. The εnd values ranged from -21 to +6 on both the Congo and Kalahari margins. At the SZ-SMZ boundary the εnd values were primarily between -5 and 0 with only a few samples on the Kalahari side having εnd values between -10 and -5. There appears to be little variation of εnd values with stratigraphic age. Samples deposited at ca. 600-650 Ma on the cratonic margin of the Congo craton display εnd values that range primarily between -5 and -1. Syndepositional samples on the cratonic margin of the Kalahari craton display εnd values that range primarily between -9 and -6. Samples collected from formations deposited prior to ca. 650 Ma or subsequent to ca. 600 Ma display a wide range of εnd values that do not appear to correlate to their timing of deposition in any way. Common Pb Whole-rock Pb/Pb isotopic data was collected for 30 samples of metapelitic rock from the Congo and Kalahari cratonic margins (Table 4-56 to Table 4-62). Regressions of the common Pb data using 207 Pb/ 204 Pb versus 206 Pb/ 204 Pb (normalized to Abouchami et al., 2000 values) gave reference ages of 777 +350/-890 Ma for the Kalahari Craton strata (Figure 4-30a) and 154 +670/-1400 Ma for the Congo craton strata (Figure 4-30b). Therefore, the whole rock common lead values for strata deposited along both cratons are statistically indistinguishable. Trace and Major Element Analysis Major element analysis on 22 whole rock separates (Table 4-63) was typical of meta-pelites and meta-psammites, consistent with the rock types analyzed. As the same basic rock types were collected on both cratons, the similarity in major elements 52

was expected. Most major oxides ratios from strata derived from the cratons decrease linearly with increasing silica content (Figure 31). Ca, Na, and to a lesser extent P, K and Mn, show considerable scatter between 60 and 80% SiO 2, but still an overall decreasing trend with increasing silica. Trace element analyses on 31 whole rock powders (Table 4-64) show no significant variation in rare earth element (REE) compositions across cratons (normalized to Sun and McDonough, 1989 values). One quartzite sample displayed relative depletion overall, otherwise relative abundances were consistent. Such similarity was anticipated due to the rift-drift sedimentary histories common to both cratons. All samples display REE signatures typical of weathered metasedimentary rocks including relative abundance in the light REE with decreasing abundance in the heavy REE (Figure 4-32). All samples display a negative Eu anomaly, probably indicative of plagioclase fraction in the sources of most of the continental detritus. One sample (SZ80) also displays a positive Ce anomaly, possibly indicative of a ferromanganese nodule derived from chemical sediment. 53

Table 4-1. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample BDG06-91 from the Northern Foreland Zone, Congo Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent rho 206 Pb 235 U* error* 238 U error Age (Ma) Age (Ma) Age (Ma) discord. factor BDG06-91_1 0.0696 0.00027 1.438 0.054 0.1498 0.0056 918 ± 16 905 ± 44 901 ± 63 1.83 0.99 BDG06-91_2 R 0.2957 0.00651 6.667 0.296 0.1635 0.0063 3448 ± 68 2068 ± 77 977 ± 70 71.66 0.87 BDG06-91_3 R 0.2985 0.00491 6.660 0.271 0.1618 0.0060 3463 ± 51 2067 ± 70 968 ± 67 72.05 0.91 BDG06-91_4 0.1749 0.00063 11.447 0.439 0.4747 0.0181 2605 ± 12 2560 ± 70 2506 ± 158 3.80 1.00 BDG06-91_5 0.1694 0.00075 9.496 0.358 0.4065 0.0152 2552 ± 15 2387 ± 68 2200 ± 139 13.77 0.99 BDG06-91_6 0.0628 0.00040 0.885 0.034 0.1022 0.0038 703 ± 27 644 ± 36 628 ± 45 10.67 0.99 2478 ± BDG06-91_7 0.1761 0.00062 11.371 0.430 0.4683 0.0176 2616 ± 12 2554 ± 69 154 5.27 1.00 BDG06-91_8 0.0600 0.00022 0.763 0.029 0.0922 0.0035 603 ± 16 576 ± 33 569 ± 41 5.61 1.00 1767 ± BDG06-91_9 R 0.1259 0.00048 5.469 0.208 0.3150 0.0119 2042 ± 13 1895 ± 64 116 13.47 0.99 BDG06-91_10 R 0.1437 0.00125 2.002 0.077 0.1010 0.0038 2273 ± 30 1116 ± 52 621 ± 44 72.68 0.97 BDG06-91_11 R 0.2563 0.00858 3.700 0.196 0.1047 0.0043 3224 ± 106 1571 ± 83 642 ± 50 80.07 0.78 BDG06-91_12 R 0.1143 0.00668 2.077 0.147 0.1318 0.0053 1869 ± 210 1141 ± 95 799 ± 60 57.27 0.57 BDG06-91_13 R 0.0850 0.00155 1.239 0.053 0.1057 0.0041 1316 ± 71 818 ± 47 648 ± 47 50.75 0.90 1417 ± BDG06-91_14 R 0.3932 0.00612 13.313 0.636 0.2456 0.0111 3883 ± 47 2702 ± 88 114 63.52 0.95 BDG06-91_15 0.0619 0.00023 0.837 0.032 0.0980 0.0037 672 ± 16 617 ± 35 603 ± 43 10.29 1.00 BDG06-91_16 R 0.1001 0.00434 1.490 0.088 0.1079 0.0043 1627 ± 161 926 ± 70 661 ± 50 59.35 0.68 BDG06-91_17 0.1216 0.00044 5.728 0.219 0.3417 0.0130 1979 ± 13 1935 ± 65 1897 ± 125 4.17 1.00 BDG06-91_18 R 0.1385 0.00680 5.805 0.366 0.3041 0.0120 2208 ± 170 1947 ± 106 1713 ± 118 22.43 0.63 BDG06-91_19 0.0730 0.00027 1.617 0.062 0.1606 0.0061 1014 ± 15 977 ± 47 961 ± 68 5.22 1.00 2299 ± BDG06-91_20 R 0.2013 0.00335 11.883 0.489 0.4281 0.0161 2837 ± 54 2595 ± 76 145 18.95 0.91 BDG06-91_21 R 0.0643 0.00023 0.882 0.034 0.0994 0.0038 753 ± 15 642 ± 36 611 ± 44 18.78 1.00 54

Table 4-1. Continued BDG06-91_22 R 0.4073 0.00704 7.928 0.341 0.1412 0.0056 3936 ± 52 2222 ± 76 852 ± 63 78.36 0.92 BDG06-91_23 0.0612 0.00023 0.809 0.031 0.0958 0.0036 648 ± 16 602 ± 34 590 ± 42 8.86 0.99 BDG06-91_24 R 0.1961 0.00093 12.140 0.470 0.4491 0.0173 2794 ± 16 2615 ± 71 2393 ± 153 14.34 0.99 BDG06-91_25 0.1702 0.00070 10.065 0.386 0.4289 0.0163 2559 ± 14 2440 ± 70 2303 ± 147 10.01 0.99 BDG06-91_26 R 0.2904 0.00354 19.544 0.798 0.4882 0.0190 3420 ± 38 3069 ± 77 2565 ± 164 24.99 0.95 BDG06-91_27 R 0.0737 0.00027 1.494 0.057 0.1471 0.0056 1032 ± 15 928 ± 46 885 ± 63 14.20 1.00 2443 ± BDG06-91_28 R 0.1791 0.00065 11.370 0.438 0.4604 0.0177 2645 ± 12 2554 ± 71 155 7.61 1.00 BDG06-91_29 R 0.1550 0.00320 3.541 0.152 0.1656 0.0062 2402 ± 70 1536 ± 67 989 ± 69 58.83 0.88 BDG06-91_30 R 0.0805 0.00317 1.215 0.066 0.1094 0.0041 1210 ± 155 808 ± 60 670 ± 48 44.62 0.69 BDG06-91_31 0.1709 0.00064 10.971 0.415 0.4657 0.0175 2566 ± 12 2520 ± 69 2467 ± 153 3.88 1.00 BDG06-91_32 0.0631 0.00027 0.904 0.035 0.1039 0.0040 713 ± 18 654 ± 37 638 ± 46 10.50 0.99 2612 ± 1282 ± BDG06-91_33 R 0.1756 0.01989 2.534 0.315 0.1046 0.0053 377 173 642 ± 62 75.41 0.41 BDG06-91_34 R 0.0704 0.00064 0.949 0.037 0.0977 0.0038 941 ± 37 677 ± 39 601 ± 44 36.10 0.97 BDG06-91_35 R 0.0850 0.00155 1.955 0.084 0.1667 0.0064 1316 ± 71 1100 ± 57 995 ± 71 24.42 0.90 BDG06-91_36 R 0.1139 0.00041 4.722 0.182 0.3007 0.0115 1862 ± 13 1771 ± 63 1696 ± 114 8.90 1.00 BDG06-91_37 0.1771 0.00063 11.573 0.445 0.4740 0.0182 2626 ± 12 2570 ± 71 2503 ± 158 4.66 1.00 BDG06-91_38 0.1148 0.00043 5.044 0.193 0.3185 0.0121 1877 ± 14 1826 ± 64 1784 ± 118 4.96 1.00 BDG06-91_39 0.1236 0.00078 5.800 0.224 0.3403 0.0130 2009 ± 22 1946 ± 66 1890 ± 124 5.94 0.99 BDG06-91_40 0.0631 0.00047 0.913 0.035 0.1050 0.0040 711 ± 32 658 ± 37 644 ± 46 9.36 0.98 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U 55

Table 4-2. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF09-26 from the Northern Zone, Congo Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent 206 Pb 235 U* error* 238 U error Age (Ma) Age (Ma) Age (Ma) discord. rho factor DF09-26_02 0.0734 0.00052 0.999 0.022 0.099 0.0020 1024 ± 29 703 ± 22 608 ± 24 40.64 0.95 DF09-26_03 0.0739 0.00045 1.657 0.036 0.163 0.0034 1039 ± 25 992 ± 27 972 ± 38 6.45 0.96 DF09-26_04 0.0709 0.00049 1.161 0.025 0.119 0.0024 956 ± 28 782 ± 23 724 ± 28 24.24 0.95 DF09-26_05 0.0736 0.00062 1.156 0.026 0.114 0.0024 1032 ± 34 780 ± 25 695 ± 28 32.59 0.93 DF09-26_06 0.0766 0.00048 1.853 0.041 0.175 0.0037 1111 ± 25 1064 ± 29 1042 ± 40 6.18 0.96 DF09-26_07 0.0704 0.00066 0.971 0.024 0.100 0.0023 940 ± 38 689 ± 25 615 ± 27 34.54 0.93 DF09-26_08 0.0683 0.00043 1.304 0.028 0.138 0.0029 879 ± 26 847 ± 25 836 ± 33 4.83 0.96 DF09-26_09 0.0702 0.00043 1.444 0.031 0.149 0.0031 934 ± 25 907 ± 26 897 ± 35 3.90 0.96 DF09-26_10 0.0650 0.00040 1.138 0.024 0.127 0.0025 773 ± 26 771 ± 23 772 ± 29 0.19 0.96 DF09-26_11 0.0659 0.00041 1.186 0.027 0.131 0.0028 804 ± 26 794 ± 25 791 ± 32 1.50 0.96 DF09-26_12 0.0755 0.00047 1.810 0.039 0.174 0.0035 1083 ± 25 1049 ± 28 1034 ± 39 4.49 0.96 DF09-26_13 0.0722 0.00044 1.618 0.036 0.163 0.0035 991 ± 25 977 ± 28 972 ± 39 1.88 0.96 DF09-26_14 0.0725 0.00048 1.558 0.034 0.156 0.0033 1001 ± 27 954 ± 27 934 ± 36 6.69 0.95 DF09-26_15 0.0737 0.00045 1.732 0.037 0.170 0.0035 1033 ± 25 1020 ± 28 1015 ± 39 1.66 0.96 DF09-26_16 R 0.0797 0.00073 0.910 0.031 0.083 0.0027 1190 ± 36 657 ± 32 513 ± 32 56.89 0.96 DF09-26_17 R 0.0677 0.00047 1.107 0.024 0.119 0.0024 858 ± 29 756 ± 23 723 ± 28 15.65 0.95 DF09-26_18 R 0.0800 0.00104 1.039 0.026 0.094 0.0020 1198 ± 51 723 ± 26 580 ± 24 51.53 0.85 DF09-26_19 0.0682 0.00121 0.828 0.031 0.088 0.0029 873 ± 73 612 ± 34 545 ± 34 37.60 0.88 DF09-26_20 0.0656 0.00044 1.085 0.024 0.120 0.0026 794 ± 28 746 ± 24 731 ± 30 7.96 0.95 DF09-26_21 R 0.0940 0.00083 1.237 0.029 0.096 0.0020 1507 ± 33 818 ± 26 589 ± 24 60.94 0.92 DF09-26_22 0.0627 0.00044 0.904 0.021 0.105 0.0023 696 ± 30 654 ± 22 642 ± 26 7.77 0.95 DF09-26_23 0.0738 0.00075 1.341 0.031 0.132 0.0027 1037 ± 41 863 ± 26 798 ± 31 22.98 0.89 DF09-26_24 0.0777 0.00048 1.739 0.037 0.162 0.0033 1140 ± 25 1023 ± 27 970 ± 37 14.90 0.96 DF09-26_25 0.0772 0.00076 1.770 0.042 0.166 0.0036 1125 ± 39 1034 ± 31 993 ± 40 11.72 0.91 DF09-26_26 0.0622 0.00040 0.565 0.012 0.066 0.0013 679 ± 28 455 ± 16 412 ± 16 39.32 0.95 DF09-26_27 0.0761 0.00050 1.680 0.043 0.160 0.0040 1099 ± 26 1001 ± 32 958 ± 44 12.80 0.97 56

Table 4-2. Continued DF09-26_28 R 0.1146 0.00271 0.818 0.030 0.052 0.0014 1874 ± 85 607 ± 33 326 ± 17 82.63 0.76 DF09-26_29 R 0.0697 0.00046 1.223 0.028 0.127 0.0028 919 ± 27 811 ± 26 773 ± 32 15.89 0.96 DF09-26_30 0.0737 0.00062 1.629 0.042 0.160 0.0039 1034 ± 34 981 ± 32 959 ± 43 7.29 0.94 DF09-26_31 0.0685 0.00058 1.020 0.023 0.108 0.0023 885 ± 35 714 ± 23 661 ± 27 25.23 0.93 DF09-26_32 0.0738 0.00064 1.087 0.024 0.107 0.0022 1035 ± 35 747 ± 23 655 ± 26 36.65 0.92 DF09-26_33 R 0.1057 0.00141 1.993 0.064 0.137 0.0040 1727 ± 49 1113 ± 43 827 ± 45 52.14 0.91 DF09-26_34 0.0618 0.00039 0.875 0.020 0.103 0.0023 667 ± 27 638 ± 22 631 ± 26 5.47 0.96 DF09-26_35 R 0.1047 0.00106 2.002 0.048 0.139 0.0030 1709 ± 37 1116 ± 32 838 ± 34 50.97 0.91 DF09-26_36 0.0622 0.00039 0.955 0.021 0.111 0.0024 682 ± 27 681 ± 22 681 ± 27 0.16 0.96 DF09-26_37 0.0612 0.00038 0.845 0.018 0.100 0.0021 645 ± 27 622 ± 20 616 ± 25 4.45 0.96 DF09-26_38 0.0731 0.00045 1.655 0.037 0.164 0.0036 1016 ± 25 991 ± 28 981 ± 39 3.41 0.96 DF09-26_39 0.0789 0.00073 1.624 0.048 0.149 0.0042 1169 ± 37 980 ± 37 898 ± 47 23.17 0.95 DF09-26_40 R 0.0640 0.00046 0.848 0.020 0.096 0.0021 742 ± 30 624 ± 22 592 ± 25 20.13 0.95 DF09-26_41 0.0648 0.00040 1.083 0.024 0.121 0.0026 769 ± 26 745 ± 23 738 ± 30 3.97 0.96 DF09-26_42 0.0605 0.00038 0.828 0.019 0.099 0.0022 622 ± 27 613 ± 21 611 ± 25 1.81 0.96 DF09-26_43 R 0.0644 0.00041 0.905 0.020 0.102 0.0021 755 ± 27 654 ± 21 626 ± 25 17.09 0.96 DF09-26_44 0.0724 0.00045 1.514 0.033 0.152 0.0032 998 ± 25 936 ± 27 910 ± 36 8.78 0.96 DF09-26_45 0.0696 0.00077 1.042 0.025 0.109 0.0023 918 ± 46 725 ± 24 665 ± 26 27.54 0.88 DF09-26_46 0.0611 0.00041 0.829 0.018 0.098 0.0020 641 ± 29 613 ± 20 606 ± 24 5.49 0.95 DF09-26_47 0.0608 0.00038 0.830 0.018 0.099 0.0021 631 ± 27 614 ± 20 610 ± 24 3.32 0.96 DF09-26_48 0.0717 0.00044 1.539 0.035 0.156 0.0034 976 ± 25 946 ± 28 934 ± 40 4.29 0.96 DF09-26_49 0.0749 0.00048 1.716 0.038 0.166 0.0035 1065 ± 26 1014 ± 28 992 ± 39 6.87 0.96 DF09-26_50 0.0718 0.00047 1.478 0.034 0.149 0.0033 979 ± 27 921 ± 28 898 ± 37 8.25 0.96 DF09-26_51 0.0767 0.00049 1.890 0.044 0.179 0.0041 1113 ± 25 1078 ± 31 1061 ± 44 4.59 0.96 DF09-26_52 0.0751 0.00071 1.176 0.027 0.114 0.0023 1071 ± 38 789 ± 25 694 ± 27 35.15 0.91 DF09-26_53 0.1074 0.00066 4.423 0.100 0.299 0.0065 1756 ± 23 1716 ± 37 1686 ± 65 3.96 0.96 DF09-26_54 R 0.0661 0.00070 0.878 0.023 0.096 0.0023 808 ± 44 640 ± 24 594 ± 27 26.51 0.91 DF09-26_55 R 0.0618 0.00041 0.829 0.019 0.097 0.0021 667 ± 28 613 ± 20 599 ± 24 10.12 0.95 57

Table 4-2. Continued. DF09-26_56 0.0716 0.00044 1.514 0.033 0.153 0.0032 976 ± 25 936 ± 26 920 ± 36 5.69 0.96 DF09-26_57 0.0714 0.00044 1.484 0.032 0.151 0.0031 970 ± 25 924 ± 26 906 ± 35 6.58 0.96 DF09-26_58 0.0732 0.00045 1.626 0.036 0.161 0.0034 1021 ± 25 980 ± 28 963 ± 38 5.64 0.96 DF09-26_59 0.0778 0.00047 1.976 0.042 0.184 0.0038 1142 ± 24 1107 ± 28 1091 ± 41 4.44 0.96 DF09-26_60 0.0635 0.00040 0.950 0.020 0.108 0.0022 726 ± 27 678 ± 21 664 ± 26 8.54 0.96 DF09-26_61 0.0721 0.00045 1.556 0.034 0.157 0.0033 989 ± 25 953 ± 27 938 ± 36 5.15 0.96 DF09-26_62 R 0.1219 0.00074 5.672 0.122 0.338 0.0069 1984 ± 22 1927 ± 37 1876 ± 67 5.41 0.96 DF09-26_63 0.0756 0.00046 1.821 0.039 0.175 0.0036 1084 ± 25 1053 ± 28 1039 ± 40 4.19 0.96 DF09-26_64 0.1147 0.00070 5.150 0.111 0.326 0.0067 1875 ± 22 1844 ± 36 1819 ± 65 2.96 0.96 DF09-26_65 0.0728 0.00045 1.511 0.033 0.151 0.0032 1008 ± 25 935 ± 27 905 ± 35 10.22 0.96 DF09-26_66 R 0.0653 0.00043 0.872 0.021 0.097 0.0022 784 ± 28 636 ± 22 596 ± 26 23.88 0.96 DF09-26_67 0.0657 0.00041 1.151 0.025 0.127 0.0026 797 ± 26 778 ± 23 772 ± 30 3.09 0.96 DF09-26_68 R 0.0829 0.00124 1.561 0.044 0.137 0.0033 1266 ± 59 955 ± 35 826 ± 37 34.73 0.85 DF09-26_69 0.0651 0.00043 1.018 0.022 0.113 0.0023 778 ± 28 713 ± 22 693 ± 27 10.96 0.95 DF09-26_70 0.0768 0.00054 1.496 0.034 0.141 0.0030 1116 ± 28 929 ± 27 853 ± 34 23.55 0.95 DF09-26_71 R 0.1252 0.00076 5.998 0.131 0.347 0.0073 2032 ± 21 1975 ± 38 1924 ± 70 5.30 0.96 DF09-26_72 0.0673 0.00043 0.892 0.020 0.096 0.0021 847 ± 27 647 ± 21 592 ± 24 30.11 0.96 DF09-26_73 0.0740 0.00046 1.662 0.037 0.163 0.0034 1041 ± 25 994 ± 28 974 ± 38 6.44 0.96 DF09-26_74 0.0759 0.00047 1.826 0.040 0.174 0.0036 1093 ± 25 1055 ± 28 1038 ± 40 5.03 0.96 DF09-26_75 0.0644 0.00056 1.006 0.025 0.113 0.0026 753 ± 37 707 ± 25 693 ± 30 7.98 0.94 DF09-26_76 0.0734 0.00048 1.568 0.033 0.155 0.0031 1025 ± 26 958 ± 26 929 ± 35 9.32 0.95 DF09-26_77 0.0659 0.00042 1.023 0.023 0.113 0.0024 803 ± 27 715 ± 23 688 ± 28 14.28 0.96 DF09-26_78 0.0615 0.00039 0.857 0.019 0.101 0.0021 658 ± 27 628 ± 20 621 ± 25 5.67 0.96 DF09-26_79 0.0715 0.00044 1.505 0.032 0.153 0.0031 971 ± 25 932 ± 26 917 ± 35 5.54 0.96 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U 58

Table 4-3. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF09-30 from the Northern Zone, Congo Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent 206 Pb 235 U* error* 238 U error Age (Ma) Age (Ma) Age (Ma) discord. DF09-30_1 0.1115 0.00045 4.919 0.070 0.320 0.0044 1824 ± 15 1805 ± 24 1791 ± 43 1.76 0.96 DF09-30_2 0.1232 0.00068 6.023 0.102 0.355 0.0057 2003 ± 20 1979 ± 29 1958 ± 54 2.22 0.95 DF09-30_3 R 0.0749 0.00116 0.882 0.021 0.085 0.0015 1066 ± 62 642 ± 22 529 ± 18 50.38 0.76 DF09-30_4 0.1221 0.00050 5.832 0.086 0.346 0.0049 1987 ± 15 1951 ± 25 1919 ± 47 3.39 0.96 DF09-30_5 R 0.1195 0.00049 4.593 0.067 0.279 0.0039 1949 ± 15 1748 ± 24 1586 ± 39 18.58 0.96 DF09-30_6 0.0879 0.00037 2.842 0.041 0.234 0.0033 1381 ± 16 1367 ± 22 1359 ± 34 1.62 0.96 DF09-30_7 0.0627 0.00033 0.870 0.012 0.101 0.0013 697 ± 22 635 ± 13 619 ± 16 11.23 0.93 DF09-30_8 R 0.1236 0.00070 5.321 0.088 0.312 0.0048 2009 ± 20 1872 ± 28 1753 ± 47 12.72 0.94 DF09-30_9 R 0.0785 0.00042 1.917 0.027 0.177 0.0023 1160 ± 21 1087 ± 19 1052 ± 25 9.34 0.93 DF09-30_10 R 0.1077 0.00043 4.287 0.064 0.289 0.0042 1761 ± 15 1691 ± 25 1636 ± 42 7.10 0.96 DF09-30_11 R 0.1293 0.00070 3.034 0.063 0.170 0.0034 2088 ± 19 1416 ± 32 1014 ± 38 51.43 0.97 DF09-30_12 R 0.1102 0.00045 3.976 0.051 0.262 0.0032 1803 ± 15 1629 ± 21 1499 ± 32 16.81 0.95 DF09-30_13 R 0.0944 0.00039 3.269 0.046 0.251 0.0033 1516 ± 15 1473 ± 22 1446 ± 34 4.60 0.96 DF09-30_14 0.1248 0.00067 5.899 0.089 0.343 0.0048 2026 ± 19 1961 ± 26 1902 ± 46 6.12 0.93 DF09-30_15 0.1216 0.00049 5.679 0.081 0.339 0.0046 1980 ± 14 1928 ± 25 1882 ± 45 4.96 0.96 DF09-30_16 0.1214 0.00049 5.219 0.069 0.312 0.0039 1978 ± 14 1855 ± 22 1750 ± 38 11.49 0.95 DF09-30_17 R 0.0941 0.00038 2.892 0.043 0.223 0.0032 1511 ± 15 1380 ± 22 1298 ± 33 14.09 0.96 DF09-30_18 0.1125 0.00050 4.197 0.085 0.271 0.0054 1840 ± 16 1673 ± 33 1545 ± 54 16.01 0.98 DF09-30_19 R 0.1227 0.00051 3.597 0.125 0.213 0.0073 1996 ± 15 1549 ± 54 1244 ± 78 37.68 0.99 DF09-30_20 0.1216 0.00056 5.670 0.078 0.338 0.0044 1980 ± 16 1926 ± 23 1879 ± 42 5.11 0.94 DF09-30_21 0.1223 0.00049 5.729 0.075 0.340 0.0042 1990 ± 14 1935 ± 22 1887 ± 40 5.20 0.95 DF09-30_22 R 0.1288 0.00052 6.354 0.087 0.358 0.0047 2081 ± 14 2026 ± 24 1974 ± 45 5.15 0.96 DF09-30_23 0.1216 0.00049 5.217 0.092 0.311 0.0053 1980 ± 14 1855 ± 30 1748 ± 52 11.70 0.97 DF09-30_24 R 0.0882 0.00039 2.681 0.044 0.221 0.0035 1386 ± 17 1323 ± 24 1286 ± 37 7.20 0.96 DF09-30_25 0.1204 0.00048 5.565 0.081 0.335 0.0047 1963 ± 14 1910 ± 25 1865 ± 45 4.98 0.96 rho factor 59

Table 4-3. Continued. DF09-30_26 0.1201 0.00050 5.578 0.072 0.337 0.0041 1958 ± 15 1912 ± 22 1873 ± 39 4.36 0.95 DF09-30_27 R 0.1378 0.00238 4.532 0.103 0.239 0.0036 2200 ± 60 1737 ± 38 1380 ± 37 37.25 0.65 DF09-30_28 R 0.1182 0.00048 3.728 0.054 0.229 0.0032 1930 ± 15 1577 ± 23 1329 ± 34 31.13 0.96 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U Table 4-4. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF09-37 from the Northern Zone, Congo Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent 206 Pb 235 U* error* 238 U error Age (Ma) Age (Ma) Age (Ma) discord. DF09-37_1 0.0583 0.00019 0.678 0.012 0.084 0.0015 542 ± 14 525 ± 15 522 ± 17 3.60 0.98 DF09-37_2 R 0.0607 0.00027 0.700 0.013 0.084 0.0015 628 ± 19 539 ± 15 519 ± 18 17.35 0.97 DF09-37_3 R 0.0674 0.00190 0.778 0.027 0.084 0.0018 851 ± 117 584 ± 31 519 ± 21 39.02 0.60 DF09-37_5 0.0599 0.00025 0.675 0.011 0.082 0.0013 599 ± 18 524 ± 14 507 ± 16 15.35 0.97 DF09-37_6 0.0597 0.00019 0.697 0.012 0.085 0.0014 594 ± 14 537 ± 14 524 ± 17 11.83 0.98 DF09-37_7 R 0.0623 0.00030 0.691 0.012 0.081 0.0013 683 ± 20 534 ± 14 500 ± 16 26.82 0.96 DF09-37_8 R 0.0850 0.00043 1.926 0.036 0.164 0.0030 1315 ± 20 1090 ± 25 982 ± 33 25.30 0.96 DF09-37_9 R 0.0808 0.00063 1.149 0.022 0.103 0.0018 1217 ± 30 776 ± 20 633 ± 21 47.99 0.91 DF09-37_10 R 0.0588 0.00017 0.632 0.011 0.078 0.0013 561 ± 12 497 ± 14 484 ± 16 13.59 0.99 DF09-37_11 R 0.0707 0.00076 0.906 0.017 0.093 0.0015 948 ± 44 655 ± 18 574 ± 17 39.49 0.83 DF09-37_12 R 0.0604 0.00023 0.652 0.011 0.078 0.0013 617 ± 16 510 ± 13 486 ± 15 21.10 0.97 DF09-37_13 0.0589 0.00018 0.672 0.012 0.083 0.0014 562 ± 13 522 ± 14 513 ± 17 8.57 0.98 DF09-37_14 R 0.0623 0.00032 0.609 0.011 0.071 0.0012 684 ± 22 483 ± 13 442 ± 14 35.33 0.96 DF09-37_15 R 0.0615 0.00049 0.551 0.011 0.065 0.0012 655 ± 34 445 ± 14 406 ± 14 37.97 0.91 DF09-37_16 0.0584 0.00022 0.675 0.011 0.084 0.0014 546 ± 17 523 ± 14 519 ± 17 4.87 0.97 DF09-37_17 R 0.0587 0.00021 0.579 0.010 0.072 0.0012 554 ± 15 464 ± 13 446 ± 15 19.48 0.98 DF09-37_18 R 0.0629 0.00039 0.691 0.013 0.080 0.0015 704 ± 26 534 ± 16 495 ± 17 29.70 0.95 DF09-37_19 0.0592 0.00023 0.663 0.012 0.081 0.0014 575 ± 17 516 ± 14 504 ± 17 12.29 0.97 rho factor 60

Table 4-4. Continued. DF09-37_20 0.0597 0.00018 0.655 0.011 0.080 0.0013 591 ± 13 511 ± 13 494 ± 16 16.40 0.98 DF09-37_21 0.0597 0.00019 0.587 0.011 0.071 0.0013 593 ± 13 469 ± 14 445 ± 15 24.93 0.99 DF09-37_22 R 0.0589 0.00018 0.657 0.012 0.081 0.0014 563 ± 13 513 ± 14 502 ± 17 10.71 0.99 DF09-37_23 0.0597 0.00018 0.653 0.011 0.079 0.0013 591 ± 13 510 ± 14 493 ± 16 16.59 0.98 DF09-37_24 0.0591 0.00020 0.665 0.011 0.082 0.0013 571 ± 15 518 ± 13 506 ± 15 11.26 0.98 DF09-37_25 0.0584 0.00017 0.657 0.011 0.082 0.0014 546 ± 13 513 ± 14 506 ± 16 7.39 0.99 DF09-37_26 0.0603 0.00020 0.674 0.011 0.081 0.0013 613 ± 14 523 ± 13 504 ± 15 17.78 0.98 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U Table 4-5. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF09-43 from the Central Zone, Congo Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) Age (Ma) discord. rho factor DF09-43_1 R 0.0702 0.00071 1.209 0.031 0.125 0.0029 933 ± 41 805 ± 28 760 ± 34 18.57 0.92 DF09-43_2 R 0.0711 0.00069 1.269 0.032 0.129 0.0030 960 ± 39 832 ± 28 785 ± 34 18.19 0.92 DF09-43_3 0.0745 0.00073 1.640 0.043 0.160 0.0039 1055 ± 39 985 ± 33 956 ± 43 9.38 0.93 DF09-43_4 0.0744 0.00072 1.653 0.045 0.161 0.0041 1051 ± 39 990 ± 34 964 ± 46 8.27 0.93 DF09-43_5 0.0745 0.00072 1.675 0.044 0.163 0.0039 1054 ± 39 999 ± 33 975 ± 44 7.43 0.93 DF09-43_6 0.0745 0.00072 1.656 0.043 0.161 0.0039 1055 ± 39 992 ± 32 964 ± 43 8.54 0.93 DF09-43_7 0.0737 0.00071 1.561 0.042 0.154 0.0039 1033 ± 39 955 ± 33 922 ± 43 10.68 0.93 DF09-43_8 R 0.0705 0.00068 1.317 0.034 0.135 0.0033 943 ± 40 853 ± 30 820 ± 37 13.04 0.93 DF09-43_9 0.0742 0.00072 1.642 0.044 0.160 0.0040 1047 ± 39 986 ± 33 960 ± 44 8.29 0.93 DF09-43_10 0.0734 0.00074 1.566 0.045 0.155 0.0042 1025 ± 41 957 ± 36 928 ± 47 9.48 0.94 DF09-43_11 0.0736 0.00072 1.631 0.043 0.161 0.0039 1032 ± 39 982 ± 33 961 ± 43 6.83 0.93 DF09-43_12 0.0735 0.00071 1.575 0.042 0.155 0.0038 1029 ± 39 960 ± 33 931 ± 43 9.50 0.93 DF09-43_13 0.0742 0.00072 1.661 0.044 0.162 0.0040 1046 ± 39 994 ± 33 971 ± 44 7.11 0.93 DF09-43_14 0.0741 0.00072 1.688 0.043 0.165 0.0039 1043 ± 39 1004 ± 33 987 ± 44 5.38 0.93 DF09-43_15 0.0741 0.00073 1.623 0.044 0.159 0.0040 1043 ± 40 979 ± 33 951 ± 44 8.73 0.93 61

Table 4-5. Continued. DF09-43_16 R 0.0690 0.00071 1.218 0.043 0.128 0.0044 899 ± 43 809 ± 39 777 ± 50 13.53 0.96 DF09-43_17 0.0738 0.00071 1.605 0.041 0.158 0.0038 1036 ± 39 972 ± 32 945 ± 42 8.78 0.93 DF09-43_18 0.0736 0.00071 1.700 0.045 0.167 0.0041 1031 ± 39 1008 ± 33 999 ± 45 3.10 0.93 DF09-43_19 0.0734 0.00071 1.625 0.043 0.161 0.0040 1026 ± 39 980 ± 33 960 ± 44 6.34 0.93 DF09-43_20 0.0730 0.00071 1.586 0.042 0.158 0.0039 1015 ± 39 965 ± 33 944 ± 44 6.97 0.93 DF09-43_21 0.0740 0.00071 1.669 0.045 0.163 0.0041 1042 ± 39 997 ± 34 977 ± 45 6.25 0.93 DF09-43_22 0.0736 0.00071 1.672 0.043 0.165 0.0040 1030 ± 39 998 ± 33 984 ± 44 4.39 0.93 DF09-43_23 0.0737 0.00072 1.632 0.043 0.161 0.0039 1034 ± 40 983 ± 33 961 ± 43 7.08 0.93 DF09-43_24 0.0735 0.00071 1.683 0.045 0.166 0.0042 1028 ± 39 1002 ± 34 991 ± 46 3.63 0.93 DF09-43_25 0.0730 0.00071 1.572 0.049 0.156 0.0046 1014 ± 39 959 ± 38 936 ± 51 7.62 0.95 DF09-43_26 0.0733 0.00071 1.600 0.043 0.158 0.0040 1023 ± 39 970 ± 34 948 ± 45 7.37 0.93 DF09-43_27 0.0732 0.00071 1.599 0.042 0.158 0.0038 1020 ± 39 970 ± 32 948 ± 43 7.03 0.93 DF09-43_28 0.0735 0.00071 1.696 0.044 0.167 0.0040 1028 ± 39 1007 ± 33 999 ± 44 2.82 0.93 DF09-43_29 0.0736 0.00071 1.705 0.045 0.168 0.0041 1030 ± 39 1010 ± 34 1002 ± 46 2.71 0.93 DF09-43_30 0.0733 0.00071 1.718 0.046 0.170 0.0042 1023 ± 39 1015 ± 34 1012 ± 47 1.03 0.93 DF09-43_31 0.0730 0.00071 1.652 0.043 0.164 0.0040 1014 ± 39 990 ± 33 981 ± 44 3.23 0.93 DF09-43_32 0.0733 0.00071 1.716 0.047 0.170 0.0044 1021 ± 39 1014 ± 35 1012 ± 48 0.87 0.94 DF09-43_33 R 0.1024 0.00177 2.843 0.101 0.201 0.0062 1669 ± 64 1367 ± 53 1183 ± 67 29.10 0.87 DF09-43_34 0.0723 0.00070 1.593 0.043 0.160 0.0040 994 ± 39 967 ± 33 957 ± 45 3.76 0.93 DF09-43_35 R 0.0730 0.00071 1.417 0.044 0.141 0.0042 1013 ± 40 896 ± 37 850 ± 47 16.06 0.95 DF09-43_36 0.0724 0.00070 1.591 0.044 0.159 0.0042 997 ± 39 967 ± 34 954 ± 46 4.30 0.94 DF09-43_37 0.0736 0.00071 1.614 0.040 0.159 0.0036 1030 ± 39 976 ± 31 952 ± 40 7.53 0.92 DF09-43_38 0.0729 0.00071 1.678 0.043 0.167 0.0040 1012 ± 39 1000 ± 32 995 ± 44 1.65 0.93 DF09-43_39 0.0732 0.00071 1.731 0.046 0.171 0.0042 1020 ± 39 1020 ± 34 1021 ± 46-0.09 0.93 DF09-43_40 0.0730 0.00071 1.648 0.042 0.164 0.0039 1014 ± 39 989 ± 32 978 ± 43 3.48 0.92 DF09-43_41 0.0733 0.00072 1.676 0.044 0.166 0.0040 1022 ± 40 999 ± 33 990 ± 45 3.13 0.93 DF09-43_42 0.0726 0.00070 1.702 0.047 0.170 0.0044 1003 ± 39 1009 ± 35 1013 ± 49-1.07 0.94 DF09-43_43 0.0730 0.00071 1.719 0.045 0.171 0.0041 1015 ± 39 1015 ± 33 1017 ± 46-0.20 0.93 DF09-43_44 0.0718 0.00070 1.544 0.040 0.156 0.0037 981 ± 40 948 ± 32 935 ± 42 4.73 0.93 62

Table 4-5. Continued. DF09-43_45 0.0730 0.00072 1.720 0.047 0.171 0.0044 1015 ± 40 1016 ± 35 1017 ± 48-0.20 0.93 DF09-43_46 0.0732 0.00071 1.706 0.045 0.169 0.0042 1020 ± 39 1011 ± 34 1007 ± 46 1.26 0.93 DF09-43_47 R 0.0605 0.00060 0.774 0.020 0.093 0.0022 620 ± 43 582 ± 23 573 ± 26 7.59 0.92 DF09-43_48 0.0576 0.00056 0.667 0.018 0.084 0.0021 515 ± 43 519 ± 21 520 ± 25-1.02 0.93 DF09-43_49 0.0721 0.00070 1.528 0.041 0.154 0.0039 987 ± 39 942 ± 33 923 ± 43 6.48 0.93 DF09-43_50 0.0730 0.00071 1.726 0.048 0.171 0.0045 1014 ± 39 1018 ± 36 1021 ± 50-0.67 0.94 DF09-43_51 0.0729 0.00070 1.700 0.044 0.169 0.0040 1011 ± 39 1008 ± 33 1008 ± 44 0.22 0.93 DF09-43_52 0.0729 0.00071 1.738 0.046 0.173 0.0042 1011 ± 39 1023 ± 34 1029 ± 47-1.85 0.93 DF09-43_53 0.0717 0.00070 1.647 0.043 0.167 0.0040 977 ± 40 988 ± 33 994 ± 44-1.78 0.93 DF09-43_54 0.0727 0.00070 1.716 0.044 0.171 0.0040 1005 ± 39 1014 ± 32 1019 ± 44-1.42 0.92 DF09-43_55 0.0708 0.00073 1.514 0.056 0.155 0.0055 952 ± 42 936 ± 45 930 ± 62 2.23 0.96 DF09-43_56 0.0714 0.00084 1.464 0.045 0.149 0.0042 970 ± 48 916 ± 37 894 ± 48 7.82 0.92 DF09-43_57 0.0724 0.00070 1.575 0.042 0.158 0.0039 997 ± 39 960 ± 33 945 ± 43 5.21 0.93 DF09-43_59 0.0729 0.00071 1.721 0.046 0.171 0.0043 1011 ± 39 1016 ± 34 1020 ± 47-0.89 0.93 DF09-43_60 0.0726 0.00070 1.776 0.048 0.177 0.0044 1002 ± 39 1037 ± 35 1054 ± 49-5.19 0.93 DF09-43_61 0.0728 0.00070 1.726 0.046 0.172 0.0042 1008 ± 39 1018 ± 34 1024 ± 46-1.64 0.93 DF09-43_62 0.0720 0.00070 1.609 0.047 0.162 0.0045 987 ± 40 973 ± 36 969 ± 50 1.82 0.94 DF09-43_63 0.0721 0.00070 1.702 0.044 0.171 0.0042 989 ± 39 1009 ± 33 1020 ± 46-3.17 0.93 DF09-43_64 0.0740 0.00072 1.736 0.045 0.170 0.0041 1042 ± 39 1022 ± 33 1013 ± 45 2.71 0.93 DF09-43_65 0.0727 0.00070 1.731 0.046 0.173 0.0043 1007 ± 39 1020 ± 34 1027 ± 47-2.05 0.93 DF09-43_66 0.0728 0.00070 1.755 0.046 0.175 0.0043 1009 ± 39 1029 ± 34 1039 ± 47-3.04 0.93 DF09-43_67 0.0729 0.00071 1.714 0.048 0.171 0.0044 1010 ± 40 1014 ± 35 1016 ± 49-0.60 0.94 DF09-43_68 0.0731 0.00071 1.737 0.046 0.172 0.0043 1015 ± 39 1022 ± 34 1026 ± 47-1.11 0.93 DF09-43_69 0.0729 0.00070 1.761 0.049 0.175 0.0045 1011 ± 39 1031 ± 35 1042 ± 50-3.07 0.94 DF09-43_70 0.0728 0.00070 1.758 0.045 0.175 0.0042 1009 ± 39 1030 ± 33 1041 ± 46-3.20 0.93 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U 63

Table 4-6. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF09-44 from the Central Zone, Congo Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) Age (Ma) discord. DF09-44_1 R 0.0839 0.00101 2.065 0.053 0.178 0.0040 1291 ± 47 1137 ± 35 1059 ± 44 17.91 0.88 DF09-44_2 0.0730 0.00039 1.546 0.025 0.154 0.0024 1013± 22 949 ± 20 922 ± 27 8.96 0.95 DF09-44_3 0.0733 0.00039 1.633 0.025 0.162 0.0023 1023 ± 22 983 ± 19 966 ± 25 5.54 0.94 DF09-44_4 0.0738 0.00041 1.652 0.026 0.162 0.0024 1037 ± 22 990 ± 20 970 ± 26 6.39 0.94 DF09-44_5 0.0731 0.00040 1.551 0.026 0.154 0.0025 1018 ± 22 951 ± 21 923 ± 27 9.29 0.95 DF09-44_6 0.0702 0.00040 1.250 0.020 0.129 0.0019 934 ± 23 823 ± 18 784 ± 21 16.07 0.93 DF09-44_7 0.0727 0.00042 1.613 0.023 0.161 0.0021 1007 ± 24 975 ± 18 962 ± 23 4.38 0.91 DF09-44_8 0.0744 0.00043 1.568 0.025 0.153 0.0023 1052 ± 23 957 ± 20 918 ± 26 12.71 0.93 DF09-44_9 R 0.0970 0.00063 2.655 0.055 0.198 0.0039 1568 ± 24 1316 ± 31 1168 ± 42 25.51 0.95 DF09-44_10 0.0731 0.00039 1.579 0.025 0.157 0.0023 1017 ± 21 962 ± 19 938 ± 26 7.73 0.94 DF09-44_11 0.0726 0.00045 1.582 0.021 0.158 0.0019 1002 ± 25 963 ± 17 947 ± 21 5.49 0.89 DF09-44_12 0.0736 0.00041 1.682 0.026 0.166 0.0024 1031 ± 22 1002 ± 20 989 ± 27 4.04 0.93 DF09-44_13 0.0737 0.00040 1.662 0.027 0.164 0.0025 1034 ± 22 994 ± 20 977 ± 27 5.46 0.94 DF09-44_14 0.0737 0.00042 1.690 0.026 0.166 0.0024 1032 ± 23 1004 ± 20 993 ± 27 3.80 0.93 DF09-44_15 0.0734 0.00040 1.741 0.029 0.172 0.0027 1024 ± 22 1024 ± 21 1025 ± 30-0.05 0.95 DF09-44_16 0.0734 0.00040 1.658 0.025 0.164 0.0023 1026 ± 22 993 ± 19 978 ± 26 4.64 0.93 DF09-44_17 0.0640 0.00051 0.879 0.024 0.100 0.0026 741 ± 34 640 ± 26 613 ± 31 17.26 0.96 DF09-44_18 R 0.0878 0.00105 1.086 0.021 0.090 0.0014 1378 ± 46 747 ± 21 554 ± 17 59.77 0.80 DF09-44_19 0.1155 0.00111 4.427 0.151 0.278 0.0091 1887 ± 34 1717 ± 56 1583 ± 92 16.11 0.96 DF09-44_20 0.0682 0.00046 1.127 0.032 0.120 0.0033 874 ± 28 766 ± 30 730 ± 38 16.39 0.97 DF09-44_21 0.0735 0.00041 1.666 0.028 0.164 0.0026 1028 ± 23 995 ± 21 982 ± 29 4.44 0.94 DF09-44_22 R 0.0582 0.00038 0.704 0.014 0.088 0.0016 537 ± 28 541 ± 16 542 ± 19-0.99 0.94 DF09-44_23 0.0713 0.00046 1.392 0.024 0.142 0.0023 965 ± 26 885 ± 20 855 ± 26 11.35 0.93 DF09-44_24 0.0730 0.00042 1.602 0.024 0.159 0.0022 1015 ± 23 971 ± 19 952 ± 24 6.17 0.92 DF09-44_25 0.0737 0.00042 1.615 0.027 0.159 0.0025 1034 ± 23 976 ± 21 951 ± 28 7.95 0.94 DF09-44_26 0.0731 0.00039 1.598 0.031 0.159 0.0030 1017 ± 21 969 ± 24 949 ± 33 6.62 0.96 rho factor 64

Table 4-6. Continued. DF09-44_27 0.0725 0.00042 1.500 0.021 0.150 0.0019 999 ± 23 930 ± 17 903 ± 21 9.66 0.91 DF09-44_28 0.0735 0.00040 1.573 0.026 0.155 0.0024 1027 ± 22 960 ± 20 931 ± 27 9.32 0.94 DF09-44_29 0.0690 0.00038 1.189 0.016 0.125 0.0016 900 ± 23 795 ± 15 760 ± 18 15.56 0.91 DF09-44_30 0.0743 0.00042 1.665 0.026 0.163 0.0024 1049 ± 23 995 ± 20 972 ± 26 7.37 0.93 DF09-44_31 0.0728 0.00038 1.654 0.026 0.165 0.0025 1007 ± 21 991 ± 20 985 ± 27 2.21 0.94 DF09-44_32 0.0735 0.00041 1.717 0.027 0.169 0.0025 1028 ± 22 1015 ± 20 1009 ± 28 1.82 0.94 DF09-44_33 0.0737 0.00041 1.679 0.032 0.165 0.0030 1034 ± 22 1001 ± 24 987 ± 33 4.54 0.96 DF09-44_34 0.0744 0.00041 1.739 0.028 0.169 0.0026 1053 ± 22 1023 ± 21 1010 ± 29 4.05 0.94 DF09-44_35 0.0740 0.00042 1.688 0.029 0.166 0.0027 1040 ± 23 1004 ± 22 989 ± 30 4.95 0.95 DF09-44_36 0.0730 0.00040 1.653 0.027 0.164 0.0025 1015 ± 22 991 ± 21 981 ± 28 3.39 0.94 DF09-44_37 0.0735 0.00042 1.667 0.024 0.164 0.0022 1029 ± 23 996 ± 18 982 ± 24 4.51 0.92 DF09-44_38 0.0729 0.00040 1.701 0.026 0.169 0.0024 1010 ± 22 1009 ± 20 1009 ± 27 0.10 0.93 DF09-44_39 0.0722 0.00039 1.596 0.030 0.160 0.0029 993 ± 22 968 ± 23 959 ± 32 3.40 0.96 DF09-44_40 0.0706 0.00041 1.360 0.029 0.140 0.0028 945 ± 24 872 ± 25 844 ± 32 10.65 0.96 DF09-44_41 0.0720 0.00038 1.521 0.024 0.153 0.0023 987 ± 22 939 ± 19 919 ± 26 6.80 0.94 DF09-44_42 0.0735 0.00041 1.698 0.028 0.168 0.0026 1027 ± 22 1008 ± 21 1000 ± 28 2.64 0.94 DF09-44_43 R 0.1103 0.00060 3.139 0.067 0.206 0.0043 1804 ± 20 1442 ± 33 1211 ± 46 32.85 0.97 DF09-44_44 0.0732 0.00042 1.665 0.028 0.165 0.0026 1018 ± 23 995 ± 21 986 ± 29 3.19 0.94 DF09-44_45 0.0730 0.00046 1.594 0.033 0.158 0.0032 1013 ± 25 968 ± 26 949 ± 35 6.35 0.95 DF09-44_46 0.0721 0.00046 1.507 0.026 0.152 0.0024 989 ± 26 933 ± 21 910 ± 27 7.95 0.93 DF09-44_47 R 0.1000 0.00066 2.769 0.043 0.201 0.0028 1623 ± 24 1347 ± 23 1181 ± 30 27.22 0.90 DF09-44_48 0.0749 0.00121 1.761 0.042 0.171 0.0030 1065 ± 65 1031 ± 30 1016 ± 33 4.58 0.73 DF09-44_49 0.0747 0.00056 1.720 0.047 0.167 0.0044 1060 ± 30 1016 ± 35 997 ± 49 5.92 0.96 DF09-44_50 0.0700 0.00062 1.396 0.033 0.145 0.0032 927 ± 37 887 ± 28 872 ± 36 5.94 0.93 DF09-44_51 0.0731 0.00043 1.652 0.033 0.164 0.0031 1017 ± 24 990 ± 25 979 ± 34 3.67 0.96 DF09-44_52 R 0.0938 0.00101 2.530 0.074 0.196 0.0053 1504 ± 41 1280 ± 42 1153 ± 57 23.37 0.93 DF09-44_53 0.1252 0.00070 5.936 0.115 0.344 0.0064 2032 ± 20 1966 ± 34 1907 ± 61 6.14 0.96 DF09-44_54 0.0722 0.00038 1.497 0.028 0.150 0.0027 991 ± 22 929 ± 23 904 ± 30 8.76 0.96 65

Table 4-6. Continued. DF09-44_55 0.0732 0.00040 1.638 0.034 0.162 0.0033 1020 ± 22 985 ± 26 970 ± 36 4.86 0.97 DF09-44_56 0.0733 0.00040 1.635 0.025 0.162 0.0023 1023 ± 22 984 ± 19 967 ± 25 5.43 0.93 DF09-44_57 0.1262 0.00068 6.271 0.135 0.360 0.0075 2046 ± 19 2014 ± 37 1985 ± 71 2.97 0.97 DF09-44_58 0.0675 0.00048 1.036 0.024 0.111 0.0025 854 ± 30 722 ± 24 680 ± 28 20.32 0.95 DF09-44_59 0.0721 0.00043 1.442 0.023 0.145 0.0021 989 ± 24 906 ± 19 874 ± 24 11.67 0.93 DF09-44_60 0.0731 0.00039 1.713 0.029 0.170 0.0028 1016 ± 22 1013 ± 22 1013 ± 30 0.29 0.95 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U Table 4-7. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample CZ29 from the Central Zone, Congo Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) Age (Ma) discord. CZ29_1 0.0728 0.00011 1.529 0.026 0.152 0.0025 1009 ± 6 942 ± 20 915 ± 28 9.29 1.00 CZ29_2 0.0729 0.00012 1.669 0.035 0.166 0.0035 1010 ± 6 997 ± 26 992 ± 38 1.82 1.00 CZ29_3 0.1251 0.00030 6.153 0.117 0.357 0.0067 2031 ± 9 1997 ± 33 1968 ± 64 3.09 0.99 CZ29_4 R 0.1188 0.00267 0.721 0.022 0.044 0.0009 1938 ± 80 551 ± 25 278 ± 11 85.65 0.66 CZ29_5 R 0.1130 0.00061 2.416 0.040 0.155 0.0024 1849 ± 19 1247 ± 23 930 ± 27 49.70 0.94 CZ29_6 0.0734 0.00010 1.686 0.027 0.167 0.0027 1024 ± 6 1003 ± 21 994 ± 30 2.91 1.00 CZ29_7 R 0.0702 0.00030 0.794 0.017 0.082 0.0017 934 ± 18 593 ± 19 509 ± 20 45.49 0.98 CZ29_8 R 0.1181 0.00034 3.418 0.061 0.210 0.0037 1928 ± 10 1508 ± 28 1229 ± 39 36.26 0.99 CZ29_9 R 0.0739 0.00011 1.585 0.027 0.155 0.0027 1040 ± 6 964 ± 21 932 ± 30 10.31 1.00 CZ29_10 R 0.0738 0.00013 1.456 0.023 0.143 0.0022 1037 ± 7 912 ± 19 862 ± 25 16.86 0.99 CZ29_11 R 0.0634 0.00061 0.697 0.012 0.080 0.0012 723 ± 40 537 ± 14 495 ± 14 31.55 0.83 CZ29_12 0.1251 0.00024 6.095 0.094 0.353 0.0054 2030 ± 7 1989 ± 27 1952 ± 51 3.83 0.99 CZ29_13 R 0.1262 0.00022 5.904 0.105 0.339 0.0060 2046 ± 6 1961 ± 31 1884 ± 58 7.90 1.00 CZ29_14 R 0.0731 0.00018 1.103 0.021 0.109 0.0021 1017 ± 10 755 ± 20 670 ± 24 34.10 0.99 CZ29_15 R 0.0742 0.00011 1.614 0.029 0.158 0.0028 1046 ± 6 975 ± 22 945 ± 31 9.64 1.00 CZ29_16 0.0733 0.00010 1.602 0.026 0.159 0.0026 1021 ± 6 971 ± 21 950 ± 29 7.00 1.00 CZ29_17 0.0721 0.00022 1.418 0.028 0.143 0.0028 989 ± 12 896 ± 24 860 ± 32 13.06 0.99 rho factor 66

Table 4-7. Continued. CZ29_18 R 0.0739 0.00016 1.606 0.025 0.158 0.0024 1039 ± 9 972 ± 19 944 ± 27 9.12 0.99 CZ29_19 R 0.0738 0.00014 1.645 0.026 0.162 0.0026 1037 ± 8 987 ± 20 966 ± 28 6.84 0.99 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U Table 4-8. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample CZ40 from the Central Zone, Congo Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) Age (Ma) discord. CZ40_1 0.0684 0.00123 1.273 0.085 0.135 0.0087 881 ± 74 833 ± 75 817 ± 99 7.24 0.96 CZ40_2 0.0721 0.00134 1.704 0.118 0.171 0.0115 989 ± 75 1010 ± 87 1021 ± 126-3.25 0.96 CZ40_3 R 0.2094 0.00379 18.650 1.247 0.646 0.0416 2901 ± 59 3023 ± 125 3215 ± 322-10.81 0.96 CZ40_4 0.1116 0.00200 5.460 0.365 0.355 0.0229 1826 ± 65 1894 ± 112 1959 ± 216-7.32 0.96 CZ40_5 0.1217 0.00218 6.189 0.413 0.369 0.0237 1981 ± 64 2003 ± 113 2026 ± 222-2.26 0.96 CZ40_6 0.1116 0.00200 5.304 0.355 0.345 0.0222 1826 ± 65 1869 ± 111 1911 ± 212-4.67 0.96 CZ40_7 0.1193 0.00215 6.078 0.406 0.369 0.0238 1946 ± 64 1987 ± 113 2029 ± 222-4.27 0.96 CZ40_8 0.1111 0.00199 5.118 0.342 0.334 0.0215 1817 ± 65 1839 ± 110 1860 ± 206-2.37 0.96 CZ40_9 0.0713 0.00128 1.613 0.108 0.164 0.0106 966 ± 73 975 ± 82 980 ± 117-1.52 0.96 CZ40_10 0.1164 0.00208 5.950 0.399 0.371 0.0240 1901 ± 64 1968 ± 113 2035 ± 224-7.04 0.96 CZ40_11 0.0717 0.00128 1.819 0.122 0.184 0.0118 976 ± 73 1052 ± 86 1090 ± 128-11.72 0.96 CZ40_12 0.0692 0.00135 1.385 0.097 0.145 0.0097 905 ± 80 882 ± 81 874 ± 109 3.33 0.96 CZ40_13 0.1797 0.00324 12.930 0.872 0.522 0.0339 2650 ± 60 2674 ± 123 2709 ± 284-2.23 0.96 CZ40_14 0.1126 0.00202 5.021 0.339 0.323 0.0210 1842 ± 65 1823 ± 111 1808 ± 203 1.82 0.96 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U rho factor 67

Table 4-9. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample CZ53b from the Central Zone, Congo Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) Age (Ma) discord. CZ53b_10 R 0.0654 0.00030 0.897 0.020 0.099 0.0022 788 ± 19 650 ± 21 612 ± 26 22.32 0.98 CZ53b_11 0.0605 0.00021 0.875 0.017 0.105 0.0020 620 ± 15 638 ± 19 644 ± 24-3.89 0.98 CZ53b_12 R 0.0636 0.00033 0.886 0.017 0.101 0.0018 729 ± 22 644 ± 18 621 ± 21 14.75 0.96 CZ53b_13 0.0625 0.00060 0.923 0.020 0.107 0.0021 691 ± 41 664 ± 21 656 ± 24 5.04 0.90 CZ53b_14RIM R 0.0655 0.00031 0.849 0.016 0.094 0.0017 789 ± 20 624 ± 17 580 ± 20 26.46 0.97 CZ53b_14CORE R 0.0646 0.00031 0.868 0.020 0.097 0.0022 761 ± 20 634 ± 21 600 ± 25 21.12 0.98 CZ53b_15 R 0.0734 0.00028 1.536 0.043 0.152 0.0042 1026 ± 15 945 ± 34 911 ± 47 11.18 0.99 CZ53b_16 R 0.0708 0.00083 0.922 0.025 0.094 0.0023 952 ± 48 663 ± 26 582 ± 27 38.87 0.90 CZ53b_17 R 0.0639 0.00033 0.693 0.048 0.079 0.0054 739 ± 22 534 ± 57 488 ± 65 33.87 1.00 CZ53b_18 0.0605 0.00021 0.865 0.017 0.104 0.0020 622 ± 15 632 ± 19 636 ± 24-2.36 0.98 CZ53b_19 R 0.0665 0.00024 1.054 0.023 0.115 0.0024 824 ± 15 731 ± 22 702 ± 28 14.77 0.99 CZ53b_20 R 0.0909 0.00079 1.005 0.023 0.080 0.0017 1445 ± 33 706 ± 23 498 ± 20 65.56 0.93 CZ53b_21 0.0726 0.00025 1.717 0.041 0.171 0.0040 1003 ± 14 1015 ± 30 1021 ± 44-1.80 0.99 CZ53b_22 R 0.0631 0.00044 0.868 0.025 0.100 0.0028 711 ± 29 634 ± 27 614 ± 33 13.68 0.97 CZ53b_23 0.0622 0.00022 0.941 0.017 0.110 0.0019 680 ± 15 673 ± 17 672 ± 22 1.18 0.98 CZ53b_24 0.0772 0.00081 1.838 0.041 0.173 0.0034 1127 ± 42 1059 ± 29 1027 ± 38 8.79 0.88 CZ53b_25 0.0657 0.00026 1.023 0.021 0.113 0.0023 797 ± 16 715 ± 21 690 ± 27 13.37 0.98 CZ53b_26 0.0605 0.00021 0.897 0.016 0.108 0.0019 621 ± 15 650 ± 18 659 ± 23-6.19 0.98 CZ53b_27 0.0648 0.00022 1.201 0.022 0.134 0.0024 769 ± 14 801 ± 20 813 ± 27-5.82 0.98 CZ53b_28 R 0.0730 0.00035 1.187 0.038 0.118 0.0037 1015 ± 20 795 ± 35 719 ± 43 29.11 0.99 CZ53b_29 R 0.0891 0.00138 0.812 0.030 0.066 0.0022 1407 ± 59 604 ± 33 413 ± 26 70.65 0.90 CZ53b_30 R 0.0644 0.00024 0.860 0.017 0.097 0.0018 755 ± 16 630 ± 18 597 ± 22 20.98 0.98 CZ53b_31 R 0.0617 0.00114 0.335 0.009 0.039 0.0008 665 ± 79 293 ± 14 249 ± 10 62.60 0.73 CZ53b_32 0.0739 0.00025 1.804 0.038 0.177 0.0036 1038 ± 14 1047 ± 27 1052 ± 40-1.40 0.99 CZ53b_33 R 0.0731 0.00091 1.228 0.028 0.122 0.0023 1016 ± 50 813 ± 25 742 ± 27 26.95 0.84 CZ53b_34 R 0.0669 0.00028 0.668 0.012 0.072 0.0013 836 ± 17 520 ± 14 451 ± 15 46.01 0.97 rho factor 68

Table 4-9. Continued. CZ53b_35 0.0652 0.00043 1.122 0.028 0.125 0.0030 780 ± 28 764 ± 27 759 ± 35 2.57 0.96 CZ53b_36 R 0.0661 0.00103 1.287 0.030 0.141 0.0024 811 ± 65 840 ± 26 852 ± 27-5.09 0.74 CZ53b_36 R 0.0707 0.00111 1.212 0.032 0.124 0.0026 948 ± 64 806 ± 29 757 ± 30 20.14 0.80 CZ53b_37 0.0618 0.00022 0.980 0.021 0.115 0.0024 666 ± 15 693 ± 21 703 ± 28-5.58 0.99 CZ53b_38 0.0624 0.00040 0.828 0.020 0.096 0.0022 688 ± 27 612 ± 22 593 ± 26 13.84 0.96 CZ53b_39 0.0607 0.00021 0.884 0.017 0.106 0.0020 628 ± 15 643 ± 19 648 ± 24-3.15 0.98 CZ53b_40 0.0611 0.00021 0.867 0.019 0.103 0.0022 641 ± 15 634 ± 20 632 ± 26 1.34 0.99 CZ53b_41 R 0.0654 0.00047 0.780 0.023 0.086 0.0024 787 ± 30 585 ± 26 535 ± 29 32.02 0.97 CZ53b_42 R 0.0699 0.00226 1.221 0.050 0.127 0.0032 926 ± 133 810 ± 45 770 ± 36 16.83 0.61 CZ53b_43 0.0764 0.00055 1.836 0.041 0.174 0.0037 1105 ± 29 1058 ± 29 1036 ± 40 6.20 0.95 CZ53b_44 0.0611 0.00022 0.898 0.019 0.107 0.0022 642 ± 15 650 ± 20 653 ± 26-1.86 0.99 CZ53b_45 R 0.0769 0.00057 1.158 0.022 0.109 0.0019 1118 ± 29 781 ± 21 669 ± 22 40.15 0.92 CZ53b_46 0.0615 0.00029 0.884 0.018 0.104 0.0020 658 ± 20 643 ± 19 639 ± 24 2.76 0.97 CZ53b_47 0.0685 0.00026 1.415 0.028 0.150 0.0029 883 ± 16 895 ± 23 901 ± 32-2.01 0.98 CZ53b_48 0.0634 0.00021 1.042 0.019 0.119 0.0021 723 ± 14 725 ± 19 726 ± 25-0.55 0.98 1131 ± CZ53b_49 R 0.0774 0.00598 1.136 0.093 0.106 0.0029 307 770 ± 87 653 ± 34 42.30 0.33 CZ53b_50 0.0649 0.00022 1.139 0.021 0.127 0.0023 772 ± 14 772 ± 19 772 ± 26-0.05 0.98 CZ53b_51 0.0651 0.00022 1.183 0.023 0.132 0.0025 777 ± 14 793 ± 21 799 ± 28-2.83 0.98 CZ53b_52 R 0.0855 0.00045 2.236 0.051 0.190 0.0042 1327 ± 20 1192 ± 32 1120 ± 45 15.57 0.97 CZ53b_53 0.0624 0.00027 0.921 0.021 0.107 0.0024 687 ± 19 663 ± 23 656 ± 28 4.45 0.98 CZ53b_54 R 0.0642 0.00046 0.283 0.006 0.032 0.0006 749 ± 30 253 ± 9 203 ± 8 72.87 0.94 CZ53b_55 R 0.0649 0.00049 0.708 0.020 0.079 0.0022 771 ± 32 544 ± 24 492 ± 26 36.24 0.96 CZ53b_56 0.0657 0.00025 1.055 0.019 0.116 0.0021 797 ± 16 731 ± 19 711 ± 24 10.76 0.98 CZ53b_57 0.0745 0.00028 1.740 0.039 0.169 0.0038 1055 ± 15 1023 ± 29 1010 ± 42 4.31 0.99 CZ53b_58 R 0.0731 0.00035 0.967 0.017 0.096 0.0016 1016 ± 20 687 ± 18 591 ± 19 41.83 0.96 CZ53b_59 0.0720 0.00024 1.638 0.033 0.165 0.0033 985 ± 14 985 ±26 986 ± 37-0.12 0.99 CZ53b_60 0.0756 0.00036 1.779 0.032 0.171 0.0030 1084 ± 19 1038 ± 23 1017 ± 33 6.14 0.96 CZ53b_61 0.0669 0.00056 1.173 0.027 0.127 0.0027 834 ± 35 788 ± 25 773 ± 31 7.28 0.93 69

Table 4-9. Continued. CZ53b_62 0.0647 0.00024 1.148 0.021 0.129 0.0023 765 ± 15 776 ± 19 781 ± 26-2.16 0.98 CZ53b_63 0.0743 0.00029 1.730 0.037 0.169 0.0036 1050 ± 16 1020 ± 28 1006 ± 40 4.15 0.98 CZ53b_64 R 0.0688 0.00028 1.007 0.020 0.106 0.0021 892 ± 17 707 ± 20 651 ± 24 26.99 0.98 CZ53b_65 0.0610 0.00021 0.908 0.019 0.108 0.0022 639 ± 15 656 ± 20 661 ± 25-3.50 0.99 CZ53b_66 0.0609 0.00022 0.941 0.019 0.112 0.0022 636 ± 16 673 ± 19 685 ± 25-7.75 0.98 CZ53b_67 0.0779 0.00027 2.078 0.036 0.193 0.0033 1145 ± 14 1141 ± 23 1140 ± 35 0.41 0.98 CZ53b_68 R 0.0720 0.00058 1.321 0.032 0.133 0.0030 986 ± 33 855 ± 28 806 ± 35 18.23 0.94 CZ53b_69 R 0.0591 0.00035 0.478 0.030 0.059 0.0037 569 ± 26 396 ± 41 368 ± 45 35.36 1.00 CZ53b_70 R 0.0649 0.00068 0.329 0.009 0.037 0.0009 770 ± 44 288 ± 14 233 ± 12 69.74 0.92 CZ53b_71 R 0.0661 0.00059 0.961 0.022 0.105 0.0022 811 ± 38 684 ± 22 646 ± 26 20.34 0.92 CZ53b_72 0.0743 0.00025 1.763 0.034 0.172 0.0032 1049 ± 14 1032 ± 25 1024 ± 36 2.35 0.98 CZ53b_73 R 0.0785 0.00034 1.272 0.024 0.118 0.0022 1159 ± 17 833 ± 21 717 ± 25 38.10 0.97 CZ53b_74 R 0.0695 0.00040 0.854 0.019 0.089 0.0019 913 ± 24 627 ± 21 551 ± 23 39.65 0.97 CZ53b_75 0.0615 0.00022 0.883 0.019 0.104 0.0022 656 ± 15 643 ± 21 640 ± 26 2.42 0.99 CZ53b_76 0.0607 0.00021 0.860 0.016 0.103 0.0019 629 ± 15 630 ± 18 631 ± 22-0.34 0.98 CZ53b_77 0.0723 0.00041 1.535 0.029 0.154 0.0028 995 ± 23 944 ± 23 924 ± 31 7.16 0.96 CZ53b_78 0.0723 0.00025 1.640 0.029 0.164 0.0029 995 ± 14 985 ± 22 982 ± 32 1.23 0.98 CZ53b_79 0.0758 0.00029 1.958 0.037 0.187 0.0035 1090 ± 15 1101 ± 25 1108 ± 38-1.63 0.98 CZ53b_80 0.0758 0.00029 1.958 0.037 0.187 0.0035 1090 ± 15 1101 ± 25 1108 ± 38-1.63 0.98 CZ53b_81 0.0654 0.00024 1.188 0.022 0.132 0.0024 789 ± 15 795 ± 20 798 ± 27-1.23 0.98 CZ53b_80CORE 0.0764 0.00028 1.829 0.034 0.174 0.0032 1106 ± 14 1056 ± 25 1033 ± 35 6.57 0.98 CZ53b_82 0.0615 0.00023 0.801 0.018 0.094 0.0021 657 ± 16 597 ± 20 582 ± 25 11.39 0.99 CZ53b_83 0.0739 0.00027 1.718 0.042 0.169 0.0041 1039 ± 15 1015 ± 31 1006 ± 45 3.17 0.99 CZ53b_84 0.0636 0.00024 1.003 0.020 0.114 0.0023 727 ± 16 705 ± 20 699 ± 26 3.87 0.98 CZ53b_85 0.0744 0.00026 1.784 0.036 0.174 0.0034 1053 ± 14 1040 ± 26 1034 ± 38 1.73 0.98 CZ53b_86 0.0646 0.00024 1.056 0.019 0.119 0.0020 760 ± 16 732 ± 18 724 ± 23 4.73 0.98 CZ53b_87 0.0745 0.00026 1.823 0.033 0.177 0.0032 1055 ± 14 1054 ± 24 1054 ± 35 0.12 0.98 CZ53b_88 0.0779 0.00027 2.033 0.039 0.189 0.0036 1145 ± 14 1126 ± 26 1118 ± 39 2.30 0.98 CZ53b_89 0.0744 0.00026 1.793 0.034 0.175 0.0032 1051 ± 14 1043 ± 24 1040 ± 35 1.06 0.98 70

Table 4-9. Continued. CZ53b_90 R 0.0611 0.00026 0.516 0.010 0.061 0.0011 642 ± 19 422 ± 13 383 ± 14 40.27 0.97 CZ53b_91 R 0.0691 0.00034 0.935 0.025 0.098 0.0025 901 ± 20 670 ± 26 604 ± 30 32.94 0.98 CZ53b_92 R 0.0675 0.00027 0.723 0.016 0.078 0.0017 853 ± 16 552 ± 19 483 ± 20 43.38 0.98 CZ53b_93 0.0624 0.00024 0.923 0.017 0.107 0.0020 687 ± 16 664 ± 18 658 ± 23 4.19 0.98 CZ53b_94 0.0661 0.00024 1.244 0.026 0.137 0.0029 808 ± 15 821 ±24 826 ± 32-2.22 0.99 CZ53b_95 0.0635 0.00024 1.000 0.018 0.114 0.0020 725 ± 16 704 ± 18 698 ± 23 3.77 0.98 CZ53b_96 0.0686 0.00037 1.182 0.023 0.125 0.0024 887 ± 22 792 ± 21 760 ± 27 14.30 0.96 CZ53b_97 R 0.0790 0.00077 0.335 0.010 0.031 0.0008 1173 ± 38 294 ± 15 196 ± 10 83.32 0.94 CZ53b_98 0.0608 0.00022 0.842 0.016 0.100 0.0019 632 ± 16 620 ± 18 617 ± 22 2.31 0.98 CZ53b_99 R 0.0689 0.00050 0.868 0.021 0.091 0.0021 896 ± 30 634 ± 23 564 ± 25 37.04 0.96 CZ53b_100 R 0.0634 0.00023 0.806 0.020 0.092 0.0023 721 ± 15 600 ± 23 569 ± 27 21.02 0.99 CZ53b_101 R 0.2918 0.00694 8.515 0.283 0.212 0.0049 3427 ± 74 2287 ± 60 1239 ± 52 63.86 0.70 CZ53b_102 0.0626 0.00023 1.059 0.019 0.123 0.0021 695 ± 16 733 ± 18 746 ± 24-7.38 0.98 CZ53b_103 R 0.0766 0.00126 0.821 0.033 0.078 0.0029 1112 ± 66 608 ± 37 483 ± 34 56.59 0.91 CZ53b_104 0.0663 0.00038 1.128 0.022 0.123 0.0023 815 ± 24 767 ± 21 751 ± 27 7.84 0.96 CZ53b_105 R 0.0725 0.00271 0.938 0.040 0.094 0.0018 1001 ± 152 672 ± 41 578 ± 22 42.20 0.46 CZ53b_106 0.0613 0.00021 0.853 0.018 0.101 0.0021 651 ± 14 626 ± 20 620 ± 25 4.73 0.99 CZ53b_107 0.0610 0.00021 0.879 0.016 0.104 0.0019 640 ± 15 640 ± 17 641 ± 22-0.25 0.98 CZ53b_108 0.0731 0.00025 1.692 0.033 0.168 0.0033 1016 ± 14 1005 ± 25 1002 ± 36 1.37 0.98 CZ53b_109 R 0.0656 0.00052 0.563 0.019 0.062 0.0020 795 ± 33 454 ± 24 390 ± 24 50.96 0.97 CZ53b_110 0.0736 0.00026 1.684 0.038 0.166 0.0037 1030 ± 14 1002 ± 28 991 ± 41 3.73 0.99 CZ53b_111 R 0.0642 0.00025 0.467 0.010 0.053 0.0011 749 ± 16 389 ± 14 332 ± 14 55.65 0.98 CZ53b_112 0.0608 0.00021 0.850 0.018 0.101 0.0021 633 ± 15 624 ± 20 623 ± 25 1.64 0.99 CZ53b_113 0.0638 0.00026 0.912 0.018 0.104 0.0020 736 ± 17 658 ± 19 636 ± 23 13.54 0.98 CZ53b_114 0.0639 0.00022 1.032 0.019 0.117 0.0022 740 ± 15 720 ± 19 714 ± 25 3.45 0.98 CZ53b_115 R 0.1120 0.00542 1.067 0.064 0.069 0.0024 1833 ± 175 737 ± 62 431 ± 29 76.49 0.59 CZ53b_116 R 0.0663 0.00029 0.369 0.007 0.040 0.0007 815 ± 18 319 ± 10 255 ± 9 68.67 0.97 R denotes samples removed due to high error and/or discordance. 71

Table 4-10. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample CZ35 from the Central Zone, Congo Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) Age (Ma) discord. CZ35_1 0.0860 0.00028 2.565 0.038 0.216 0.0031 1339 ± 13 1291 ± 22 1263 ± 33 5.68 0.98 CZ35_2 0.0636 0.00020 0.934 0.014 0.107 0.0015 728 ± 13 670 ± 14 653 ± 18 10.19 0.98 CZ35_3 0.0714 0.00024 1.608 0.030 0.163 0.0030 969 ± 14 973 ± 23 976 ± 34-0.71 0.98 CZ35_4 0.0720 0.00024 1.639 0.023 0.165 0.0022 985 ± 14 985 ± 17 986 ± 24-0.14 0.97 CZ35_5 R 0.0814 0.00181 0.577 0.034 0.051 0.0028 1230 ± 87 463 ± 43 324 ± 34 73.66 0.93 CZ35_6 0.0645 0.00031 0.977 0.016 0.110 0.0018 758 ± 20 692 ± 17 672 ± 20 11.24 0.96 1030 ± CZ35_7 R 0.0736 0.00236 0.523 0.020 0.052 0.0010 129 427 ± 26 325 ± 12 68.49 0.52 CZ35_8 0.0640 0.00021 1.147 0.023 0.130 0.0025 741 ± 14 776 ± 21 789 ± 29-6.44 0.99 CZ35_9 R 0.0619 0.00020 0.883 0.015 0.103 0.0017 672 ± 14 643 ± 16 635 ± 20 5.54 0.98 CZ35_10 R 0.0693 0.00032 1.204 0.019 0.126 0.0019 907 ± 19 802 ± 17 766 ± 22 15.58 0.96 CZ35_11 0.0723 0.00023 1.641 0.029 0.164 0.0028 995 ± 13 986 ± 22 982 ± 31 1.26 0.98 CZ35_12 0.0768 0.00029 1.886 0.028 0.178 0.0025 1115 ± 15 1076 ± 19 1058 ± 28 5.11 0.97 CZ35_13 0.0638 0.00021 1.052 0.016 0.120 0.0018 736 ± 14 730 ± 16 729 ± 21 0.93 0.98 CZ35_14 0.0765 0.00039 1.985 0.029 0.188 0.0026 1108 ± 20 1110 ± 20 1112 ± 28-0.40 0.94 CZ35_15 R 0.0741 0.00147 0.525 0.026 0.051 0.0023 1044 ± 80 429 ± 34 323 ± 28 69.02 0.91 CZ35_16 0.0661 0.00027 1.164 0.022 0.128 0.0024 810 ± 17 784 ± 21 775 ± 27 4.23 0.98 CZ35_17 R 0.0643 0.00050 0.946 0.016 0.107 0.0016 751 ± 33 676 ± 16 654 ± 18 12.83 0.88 CZ35_18 R 0.0684 0.00048 0.869 0.022 0.092 0.0022 879 ± 29 635 ± 23 569 ± 26 35.26 0.96 CZ35_19 0.0756 0.00024 1.913 0.029 0.183 0.0027 1085 ± 13 1086 ± 20 1087 ± 29-0.16 0.98 CZ35_20 0.0744 0.00025 1.731 0.032 0.169 0.0031 1051 ± 13 1020 ± 24 1006 ± 34 4.25 0.98 CZ35_21 0.0759 0.00028 1.941 0.033 0.185 0.0031 1093 ± 15 1095 ± 23 1097 ± 34-0.41 0.98 CZ35_22 0.0660 0.00029 1.160 0.018 0.128 0.0019 805 ± 18 782 ± 16 775 ± 21 3.78 0.96 CZ35_23 0.0642 0.00020 1.100 0.019 0.124 0.0021 749 ± 13 753 ± 18 756 ± 24-0.97 0.98 CZ35_24 R 0.0651 0.00065 0.652 0.014 0.073 0.0014 779 ± 42 509 ± 17 452 ± 17 41.95 0.89 CZ35_25 0.0685 0.00023 1.427 0.019 0.151 0.0019 882 ± 14 900 ± 16 908 ± 21-2.96 0.97 CZ35_26 0.0646 0.00021 1.124 0.017 0.126 0.0019 760 ± 13 765 ± 16 767 ± 22-0.93 0.98 CZ35_27 0.0758 0.00024 1.918 0.028 0.183 0.0026 1091 ± 13 1087 ± 20 1087 ± 29 0.35 0.98 rho factor 72

Table 4-10. Continued. CZ35_28 0.0645 0.00025 0.974 0.017 0.109 0.0018 759 ± 17 691 ± 17 670 ± 21 11.68 0.97 CZ35_29 R 0.0664 0.00029 0.976 0.024 0.107 0.0026 819 ± 18 691 ± 25 653 ± 30 20.16 0.98 CZ35_30 R 0.0667 0.00041 1.039 0.022 0.113 0.0023 829 ± 26 723 ± 22 690 ± 26 16.72 0.96 CZ35_31 0.0625 0.00020 0.988 0.017 0.115 0.0020 690 ± 14 697 ± 18 700 ± 23-1.50 0.98 CZ35_32 0.0759 0.00025 1.925 0.033 0.184 0.0031 1092 ± 13 1090 ± 22 1090 ± 33 0.16 0.98 CZ35_33 R 0.0718 0.00147 1.266 0.030 0.128 0.0016 980 ± 83 830 ± 27 777 ± 18 20.71 0.52 CZ35_34 0.0660 0.00024 1.100 0.020 0.121 0.0022 805 ± 16 753 ± 19 737 ± 25 8.50 0.98 CZ35_35 R 0.0672 0.00037 0.738 0.016 0.080 0.0017 845 ± 23 561 ± 19 495 ± 20 41.44 0.97 CZ35_36 0.0621 0.00022 0.948 0.014 0.111 0.0016 678 ± 15 677 ± 15 678 ± 19-0.01 0.97 CZ35_37 R 0.0820 0.00075 0.764 0.028 0.068 0.0024 1245 ± 36 576 ± 32 422 ± 29 66.13 0.97 CZ35_38 0.0654 0.00025 1.064 0.016 0.118 0.0018 786 ± 16 735 ± 16 720 ± 20 8.44 0.97 CZ35_39 0.0627 0.00020 0.986 0.015 0.114 0.0017 699 ± 14 697 ± 15 697 ± 19 0.35 0.98 CZ35_40 0.1247 0.00040 6.242 0.103 0.363 0.0059 2024 ± 11 2010 ± 29 1999 ± 55 1.23 0.98 CZ35_41 0.0707 0.00024 1.587 0.024 0.163 0.0024 948 ± 14 965 ± 19 974 ± 27-2.76 0.98 CZ35_42 0.0624 0.00020 0.817 0.021 0.095 0.0024 688 ± 14 606 ± 23 585 ± 28 14.91 0.99 CZ35_43 0.0745 0.00026 1.628 0.022 0.158 0.0021 1056 ± 14 981 ± 17 949 ± 23 10.08 0.97 CZ35_44 0.0646 0.00021 1.109 0.016 0.124 0.0018 762 ± 13 758 ± 16 757 ± 20 0.61 0.98 CZ35_45 R 0.0699 0.00096 1.155 0.021 0.120 0.0014 926 ± 57 779 ± 20 730 ± 17 21.19 0.66 CZ35_46 0.0748 0.00029 1.804 0.032 0.175 0.0030 1063 ± 16 1047 ± 23 1040 ± 33 2.19 0.97 CZ35_47 0.0631 0.00020 1.024 0.015 0.118 0.0017 712 ± 13 716 ± 15 718 ± 19-0.80 0.98 CZ35_48 0.0750 0.00026 1.780 0.032 0.172 0.0030 1070 ± 14 1038 ± 23 1024 ± 33 4.22 0.98 CZ35_49 0.0659 0.00024 1.093 0.020 0.120 0.0021 802 ± 16 750 ± 19 733 ± 24 8.50 0.98 CZ35_50 0.0651 0.00022 1.134 0.017 0.126 0.0018 778 ± 14 769 ± 16 767 ± 21 1.32 0.97 CZ35_51 0.0664 0.00023 1.254 0.020 0.137 0.0022 819 ± 15 825 ± 18 828 ± 25-1.20 0.98 CZ35_52 0.0616 0.00021 0.869 0.015 0.102 0.0018 659 ± 15 635 ± 17 629 ± 21 4.55 0.98 CZ35_53 0.0760 0.00025 2.049 0.043 0.195 0.0040 1096 ± 13 1132 ± 28 1152 ± 43-5.09 0.99 CZ35_54 0.0645 0.00021 1.109 0.015 0.125 0.0017 759 ± 13 757 ± 15 757 ± 19 0.21 0.97 CZ35_55 0.0770 0.00025 1.991 0.031 0.187 0.0029 1122 ± 13 1112 ± 21 1108 ± 31 1.21 0.98 CZ35_56 0.0629 0.00021 0.951 0.014 0.110 0.0016 707 ± 14 678 ± 15 670 ± 18 5.10 0.97 73

Table 4-10. Continued. CZ35_57 0.0652 0.00022 1.185 0.021 0.132 0.0023 780 ± 14 793 ± 19 799 ± 26-2.49 0.98 CZ35_58 R 0.0637 0.00068 0.453 0.014 0.052 0.0015 732 ± 45 380 ± 19 325 ± 18 55.66 0.94 CZ35_59 R 0.0666 0.00042 0.904 0.018 0.098 0.0018 826 ± 26 654 ± 19 606 ± 21 26.65 0.95 CZ35_60 0.0646 0.00022 1.074 0.016 0.121 0.0018 760 ± 14 741 ± 16 735 ± 21 3.31 0.97 CZ35_61 0.0728 0.00026 1.580 0.033 0.158 0.0032 1008 ± 14 962 ± 26 944 ± 36 6.33 0.99 CZ35_62 0.0627 0.00033 0.900 0.015 0.104 0.0017 697 ± 22 651 ± 16 639 ± 19 8.34 0.95 CZ35_63 0.0637 0.00025 0.977 0.018 0.111 0.0020 731 ± 16 692 ± 19 681 ± 24 6.83 0.98 CZ35_64 0.0732 0.00041 1.797 0.026 0.178 0.0024 1018 ± 23 1044 ± 19 1058 ± 26-3.90 0.92 CZ35_65 R 0.0652 0.00023 0.947 0.015 0.105 0.0016 781 ± 15 677 ± 15 646 ± 19 17.17 0.97 CZ35_66 R 0.0626 0.00023 0.663 0.019 0.077 0.0021 696 ± 16 516 ± 23 477 ± 26 31.42 0.99 CZ35_67 0.0626 0.00024 0.912 0.013 0.106 0.0014 693 ± 17 658 ± 13 649 ± 16 6.40 0.96 CZ35_68 0.0655 0.00021 1.123 0.017 0.124 0.0018 789 ± 13 764 ± 16 756 ± 21 4.12 0.98 CZ35_69 R 0.0688 0.00033 0.890 0.019 0.094 0.0020 893 ± 20 646 ± 21 578 ± 23 35.18 0.97 CZ35_70 0.0681 0.00028 1.291 0.021 0.138 0.0022 872 ± 17 842 ± 19 831 ± 25 4.67 0.97 CZ35_71 0.0745 0.00023 1.792 0.026 0.174 0.0025 1056 ± 13 1043 ± 19 1037 ± 27 1.79 0.98 CZ35_72 0.0630 0.00022 0.982 0.015 0.113 0.0017 708 ± 15 695 ± 15 691 ± 19 2.30 0.97 CZ35_73 R 0.0639 0.00025 0.896 0.015 0.102 0.0017 739 ± 16 649 ± 16 625 ± 20 15.48 0.97 CZ35_74 R 0.0662 0.00038 0.612 0.040 0.067 0.0044 812 ± 24 485 ± 50 419 ± 53 48.42 1.00 CZ35_75 0.0619 0.00020 0.927 0.014 0.109 0.0016 671 ± 14 666 ± 14 665 ± 18 0.77 0.98 CZ35_76 0.0629 0.00022 0.912 0.018 0.105 0.0021 706 ± 15 658 ± 19 645 ± 24 8.66 0.98 CZ35_77 0.0628 0.00020 0.986 0.016 0.114 0.0018 703 ± 14 696 ± 16 695 ± 21 1.05 0.98 CZ35_78 R 0.0678 0.00051 0.970 0.023 0.104 0.0024 861 ± 31 688 ± 24 637 ± 27 25.97 0.95 CZ35_79 0.0742 0.00035 1.569 0.023 0.153 0.0021 1046 ± 19 958 ± 18 921 ± 23 11.95 0.94 CZ35_80 0.0661 0.00034 1.115 0.017 0.122 0.0017 809 ± 21 761 ± 16 745 ± 20 7.83 0.94 CZ35_81 0.0632 0.00021 0.978 0.014 0.112 0.0016 717 ± 14 692 ± 15 686 ± 19 4.32 0.97 CZ35_82 0.0745 0.00024 1.732 0.026 0.169 0.0024 1054 ± 13 1020 ± 19 1006 ± 27 4.58 0.98 CZ35_83 0.0639 0.00023 1.003 0.015 0.114 0.0017 739 ± 15 705 ± 15 696 ± 19 5.78 0.97 CZ35_84 0.0612 0.00021 0.899 0.012 0.106 0.0014 647 ± 14 651 ± 13 653 ± 16-0.97 0.97 CZ35_85 0.0730 0.00023 1.610 0.028 0.160 0.0027 1015 ± 13 974 ± 22 957 ± 30 5.67 0.98 74

Table 4-10. Continued. CZ35_86 0.0656 0.00023 1.082 0.016 0.120 0.0017 795 ± 14 744 ± 16 728 ± 20 8.38 0.97 CZ35_87 0.0644 0.00022 1.071 0.017 0.121 0.0019 755 ± 14 739 ± 16 735 ± 21 2.67 0.98 CZ35_88 R 0.0807 0.00125 0.700 0.016 0.063 0.0011 1214 ± 61 539 ± 19 394 ± 13 67.58 0.74 CZ35_89 0.0641 0.00041 1.081 0.017 0.122 0.0018 746 ± 27 744 ± 16 744 ± 20 0.25 0.91 CZ35_90 0.0627 0.00028 0.858 0.014 0.099 0.0016 699 ± 19 629 ± 15 610 ± 18 12.69 0.96 CZ35_91 R 0.0734 0.00102 0.373 0.008 0.037 0.0006 1026 ± 56 322 ± 12 233 ± 8 77.26 0.79 CZ35_92 R 0.0701 0.00028 0.997 0.022 0.103 0.0022 931 ± 16 702 ± 22 633 ± 26 31.98 0.98 CZ35_93 0.0658 0.00021 1.119 0.018 0.123 0.0020 799 ± 14 762 ± 18 750 ± 23 6.08 0.98 CZ35_94 0.0759 0.00027 1.788 0.028 0.171 0.0026 1092 ± 14 1041 ± 20 1017 ± 29 6.83 0.98 CZ35_95 0.0730 0.00024 1.626 0.024 0.161 0.0023 1014 ± 13 980 ± 18 966 ± 25 4.75 0.97 CZ35_96 R 0.0736 0.00180 0.989 0.032 0.097 0.0020 1030 ± 99 698 ± 32 600 ± 24 41.72 0.65 CZ35_97 R 0.0676 0.00075 0.716 0.015 0.077 0.0014 855 ± 46 548 ± 18 478 ± 16 44.12 0.85 CZ35_98 R 0.0681 0.00080 0.623 0.014 0.066 0.0013 871 ± 49 491 ± 18 414 ± 16 52.44 0.86 1326 ± CZ35_99 R 0.0855 0.00225 1.141 0.061 0.097 0.0045 102 773 ± 57 596 ± 52 55.02 0.87 CZ35_100 0.0633 0.00022 0.974 0.016 0.112 0.0018 719 ± 15 690 ± 17 682 ± 21 5.03 0.98 CZ35_101 0.0658 0.00021 1.155 0.019 0.127 0.0021 801 ± 13 780 ± 18 773 ± 24 3.42 0.98 CZ35_102 0.0670 0.00022 1.255 0.017 0.136 0.0018 839 ± 14 826 ± 16 821 ± 21 2.04 0.97 CZ35_103 0.0656 0.00022 1.114 0.016 0.123 0.0018 794 ± 14 760 ± 16 749 ± 20 5.57 0.97 CZ35_104 0.0739 0.00026 1.859 0.028 0.182 0.0027 1040 ± 14 1066 ± 20 1080 ± 29-3.88 0.97 CZ35_105 0.0636 0.00021 0.997 0.017 0.114 0.0019 727 ± 14 702 ± 17 695 ± 22 4.40 0.98 CZ35_106 R 0.0682 0.00202 0.998 0.035 0.106 0.0019 873 ± 123 703 ± 35 651 ± 23 25.38 0.52 CZ35_107 R 0.0676 0.00031 0.705 0.016 0.076 0.0017 856 ± 19 542 ± 20 471 ± 21 44.98 0.98 1146 ± CZ35_108 R 0.0780 0.00214 1.294 0.042 0.120 0.0020 109 843 ± 37 733 ± 23 35.98 0.53 CZ35_109 0.0646 0.00022 1.058 0.017 0.119 0.0019 761 ± 14 733 ± 17 724 ± 22 4.83 0.98 CZ35_110 R 0.0735 0.00052 0.931 0.046 0.092 0.0045 1029 ± 29 668 ± 47 567 ± 53 44.91 0.99 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U 75

Table 4-11. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF06-22 from the Southern Zone, Congo Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent rho 206 Pb 235 U* error* 238 U error Age (Ma) Age (Ma) Age (Ma) discord. factor DF06-22_1 R 0.1228 0.00102 5.407 0.108 0.319 0.0058 1997 ± 30 1886 ± 34 1788 ± 56 10.47 0.91 DF06-22_2 0.1229 0.00080 5.752 0.093 0.340 0.0050 1998 ± 23 1939 ± 28 1886 ± 48 5.60 0.91 DF06-22_3 0.1205 0.00090 5.814 0.100 0.350 0.0054 1964 ± 27 1948 ± 30 1936 ± 52 1.42 0.90 DF06-22_4 0.0643 0.00042 1.062 0.019 0.120 0.0020 751 ± 28 735 ± 19 730 ± 23 2.80 0.93 DF06-22_5 0.0706 0.00046 1.582 0.029 0.162 0.0027 946 ± 27 963 ± 22 971 ± 30-2.65 0.93 DF06-22_6 0.1075 0.00146 4.777 0.096 0.322 0.0048 1757 ± 50 1781 ± 34 1803 ± 47-2.61 0.74 DF06-22_7 R 0.0713 0.00047 1.330 0.029 0.135 0.0029 967 ± 27 859 ± 26 818 ± 32 15.32 0.95 DF06-22_8 R 0.5718 0.00445 18.609 0.408 0.236 0.0048 4438 ± 23 3021 ± 42 1367 ± 50 69.20 0.93 DF06-22_9 0.1218 0.00079 5.755 0.104 0.343 0.0058 1982 ± 23 1939 ± 31 1902 ± 56 4.06 0.93 DF06-22_11 R 0.3802 0.02581 6.254 0.441 0.119 0.0023 3833 ± 205 2012 ± 120 727 ± 27 81.03 0.27 DF06-22_12 0.1678 0.00168 10.108 0.762 0.437 0.0327 2536 ± 34 2444 ± 135 2339 ± 290 7.76 0.99 DF06-22_13 R 0.1214 0.00079 4.071 0.085 0.243 0.0048 1977 ± 23 1648 ± 34 1405 ± 50 28.92 0.95 DF06-22_14 R 0.1317 0.00116 4.626 0.135 0.255 0.0071 2121 ± 31 1754 ± 48 1464 ± 73 30.95 0.95 DF06-22_15 R 0.0749 0.00050 1.195 0.023 0.116 0.0020 1066 ± 27 798 ± 21 707 ± 24 33.72 0.94 DF06-22_16 0.1160 0.00077 3.872 0.145 0.242 0.0089 1895 ± 24 1608 ± 60 1399 ± 92 26.19 0.98 DF06-22_17 R 0.1157 0.00075 2.990 0.050 0.187 0.0029 1890 ± 23 1405 ± 25 1109 ± 31 41.34 0.92 DF06-22_18 0.1137 0.00074 3.293 0.104 0.210 0.0065 1859 ± 23 1479 ± 49 1231 ± 69 33.79 0.98 DF06-22_19 R 0.1268 0.00084 3.905 0.069 0.223 0.0037 2054 ± 23 1615 ± 28 1301 ±39 36.65 0.93 DF06-22_20 0.0601 0.00040 0.692 0.012 0.083 0.0013 609 ± 28 534 ± 14 517 ± 15 15.05 0.92 DF06-22_21 0.1148 0.00075 3.996 0.069 0.253 0.0040 1876 ± 23 1633 ± 28 1453 ± 42 22.56 0.93 DF06-22_22 R 0.1703 0.00112 5.895 0.166 0.251 0.0069 2561 ± 22 1960 ± 48 1445 ± 71 43.59 0.97 DF06-22_23 0.1160 0.00077 4.233 0.121 0.265 0.0073 1895 ± 24 1680 ± 46 1515 ± 75 20.02 0.97 DF06-22_24 R 0.1768 0.00117 7.131 0.229 0.293 0.0092 2623 ± 22 2128 ± 56 1656 ± 91 36.86 0.98 DF06-22_25 R 0.1747 0.00114 10.037 0.171 0.417 0.0065 2603 ± 22 2438 ± 31 2248 ± 60 13.64 0.92 76

Table 4-11. Continued. DF06-22_26 R 0.0771 0.00052 1.218 0.022 0.115 0.0020 1124 ± 27 809 ± 20 700 ± 23 37.69 0.93 DF06-22_27 R 0.1133 0.00075 1.813 0.045 0.116 0.0028 1853 ± 24 1050 ± 32 708 ± 32 61.78 0.96 DF06-22_28 R 0.1145 0.00076 3.174 0.068 0.201 0.0041 1872 ± 24 1451 ± 33 1182 ± 44 36.87 0.95 DF06-22_29 0.2194 0.00144 17.508 0.362 0.579 0.0114 2976 ± 21 2963 ± 39 2946 ± 93 1.00 0.95 DF06-22_30 R 0.1172 0.00076 3.117 0.063 0.193 0.0037 1915 ± 23 1437 ± 31 1138 ± 40 40.58 0.95 DF06-22_31 0.0616 0.00044 0.881 0.015 0.104 0.0016 661 ± 30 641 ± 16 636 ± 19 3.67 0.91 DF06-22_32 R 0.0825 0.00126 1.925 0.042 0.169 0.0026 1257 ± 60 1090 ± 29 1009 ± 28 19.69 0.70 DF06-22_33 R 0.1142 0.00080 2.992 0.058 0.190 0.0034 1867 ± 25 1405 ± 29 1122 ± 37 39.89 0.93 DF06-22_34 R 0.1354 0.00098 5.740 0.117 0.307 0.0059 2169 ± 25 1937 ± 35 1730 ± 58 20.26 0.94 DF06-22_35 0.1178 0.00078 4.438 0.110 0.273 0.0065 1924 ± 24 1719 ± 41 1558 ± 66 18.99 0.96 DF06-22_36 R 0.1228 0.00612 1.966 0.124 0.116 0.0045 1997 ± 177 1104 ± 83 709 ± 52 64.50 0.61 DF06-22_37 R 0.1152 0.00076 4.571 0.093 0.288 0.0055 1884 ± 24 1744 ± 34 1631 ± 55 13.39 0.95 DF06-22_38 R 0.1156 0.00084 2.901 0.049 0.182 0.0028 1889 ± 26 1382 ± 25 1079 ± 30 42.85 0.90 DF06-22_39 0.1321 0.00087 6.715 0.168 0.369 0.0089 2127 ± 23 2074 ± 44 2024 ± 84 4.81 0.96 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U Table 4-12. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample SZ13 from the Southern Zone, Congo Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent 206 Pb 235 U* error* 238 U error Age (Ma) Age (Ma) Age (Ma) discord. SZ13_1 R 0.0785 0.00168 1.044 0.027 0.096 0.0014 1160 ± 85 726 ± 26 594 ± 16 48.78 0.55 SZ13_2 0.0717 0.00066 1.630 0.031 0.165 0.0027 976 ± 37 982 ± 24 985 ± 30-0.95 0.87 SZ13_3 0.0745 0.00068 1.852 0.036 0.180 0.0031 1056 ± 37 1064 ± 26 1069 ± 34-1.20 0.88 SZ13_4 0.0644 0.00059 1.172 0.022 0.132 0.0021 755 ± 39 787 ± 20 800 ± 24-5.91 0.87 SZ13_5 0.0683 0.00077 1.170 0.022 0.124 0.0019 879 ± 46 787 ± 21 755 ± 22 14.03 0.81 SZ13_6 0.0653 0.00060 1.219 0.023 0.135 0.0023 784 ± 38 809 ± 21 819 ± 26-4.56 0.88 SZ13_7 R 0.0785 0.00082 1.290 0.033 0.119 0.0027 1159 ± 41 841 ± 29 726 ± 32 37.33 0.91 SZ13_8 0.0613 0.00056 0.942 0.018 0.111 0.0019 650 ± 39 674 ± 19 682 ± 22-4.88 0.88 rho factor 77

Table 4-12. Continued. SZ13_9 R 0.1151 0.00105 5.436 0.106 0.343 0.0059 1881 ± 33 1890 ± 33 1901 ± 56-1.04 0.88 SZ13_10 R 0.0643 0.00067 0.928 0.016 0.105 0.0015 753 ± 44 667 ± 17 642 ± 18 14.67 0.81 SZ13_11 R 0.0916 0.00119 1.382 0.032 0.109 0.0021 1459 ± 49 881 ± 27 670 ± 24 54.07 0.83 SZ13_12 R 0.0798 0.00179 1.147 0.035 0.104 0.0021 1192 ± 88 776 ± 33 640 ± 25 46.31 0.67 SZ13_13 0.0635 0.00059 1.080 0.020 0.123 0.0020 724 ± 39 744 ± 20 751 ± 23-3.80 0.87 SZ13_14 0.0648 0.00062 1.113 0.021 0.125 0.0020 767 ± 40 759 ± 20 758 ± 23 1.15 0.86 SZ13_15 R 0.1528 0.00399 3.219 0.165 0.153 0.0068 2377 ± 89 1462 ± 78 918 ± 75 61.40 0.86 SZ13_16 R 0.0761 0.00157 1.110 0.035 0.106 0.0025 1099 ± 82 758 ± 33 649 ± 29 40.95 0.75 SZ13_17 R 0.0679 0.00087 1.213 0.026 0.129 0.0023 866 ± 53 806 ± 24 786 ± 26 9.23 0.81 SZ13_18 R 0.0724 0.00254 1.106 0.042 0.111 0.0017 996 ± 143 756 ± 40 679 ± 19 31.84 0.39 SZ13_19 R 0.0911 0.00248 2.064 0.072 0.164 0.0035 1449 ± 104 1137 ± 47 981 ± 39 32.27 0.62 SZ13_20 R 0.1358 0.00461 5.109 0.193 0.273 0.0045 2174 ± 118 1837 ± 63 1557 ± 45 28.40 0.44 SZ13_21 0.0757 0.00072 1.803 0.034 0.173 0.0028 1087 ± 38 1046 ± 24 1028 ± 31 5.42 0.86 SZ13_22 0.0626 0.00057 1.008 0.019 0.117 0.0019 694 ± 39 708 ± 19 713 ± 22-2.80 0.87 SZ13_23 R 0.0683 0.00073 1.075 0.019 0.114 0.0017 877 ± 44 741 ± 19 698 ± 19 20.38 0.81 SZ13_24 0.0621 0.00057 0.938 0.017 0.110 0.0017 679 ± 39 672 ± 17 671 ± 19 1.15 0.86 SZ13_25 0.0800 0.00109 1.925 0.045 0.175 0.0034 1196 ± 54 1090 ± 31 1038 ± 37 13.17 0.82 SZ13_26 0.0620 0.00058 0.947 0.017 0.111 0.0018 674 ± 40 676 ± 18 678 ± 20-0.55 0.86 SZ13_27 0.0807 0.00116 1.811 0.038 0.163 0.0024 1214 ± 57 1049 ± 27 973 ± 27 19.81 0.72 SZ13_28 0.0722 0.00068 1.678 0.031 0.169 0.0027 992 ± 38 1000 ± 23 1005 ± 30-1.35 0.86 SZ13_29 0.0625 0.00057 0.959 0.017 0.111 0.0017 692 ± 39 683 ± 18 681 ± 20 1.55 0.86 SZ13_30 0.0710 0.00065 1.576 0.030 0.161 0.0027 958 ± 37 961 ± 24 963 ± 30-0.59 0.88 SZ13_31 0.0798 0.00110 1.870 0.038 0.170 0.0026 1191 ± 55 1070 ± 27 1013 ± 28 14.96 0.74 SZ13_32 R 0.0906 0.00122 1.188 0.030 0.095 0.0020 1439 ± 51 795 ± 28 586 ± 24 59.28 0.85 SZ13_33 0.0745 0.00075 1.771 0.032 0.173 0.0026 1054 ± 40 1035 ± 23 1027 ± 28 2.54 0.83 SZ13_34 0.1149 0.00105 5.291 0.101 0.334 0.0056 1878 ± 33 1867 ± 32 1859 ± 54 1.00 0.88 SZ13_35 R 0.0731 0.00085 1.182 0.023 0.117 0.0018 1017 ± 47 792 ± 21 715 ± 20 29.68 0.79 78

Table 4-12. Continued. SZ13_36 0.0653 0.00060 1.158 0.020 0.129 0.0019 784 ± 38 781 ± 19 781 ± 22 0.43 0.85 SZ13_37 R 0.0770 0.00082 1.781 0.035 0.168 0.0027 1120 ± 43 1039 ± 25 1001 ± 30 10.61 0.84 SZ13_38 R 0.1207 0.00458 1.850 0.077 0.111 0.0020 1966 ± 135 1063 ± 54 680 ± 23 65.40 0.42 SZ13_39 R 0.1006 0.00188 1.513 0.036 0.109 0.0016 1635 ± 69 936 ± 29 668 ± 18 59.11 0.61 SZ13_40 R 0.1211 0.00207 1.414 0.034 0.085 0.0015 1972 ± 61 895 ± 29 525 ± 17 73.40 0.71 SZ13_41 R 0.2337 0.00503 13.345 0.364 0.414 0.0069 3077 ± 69 2704 ± 51 2236 ± 63 27.34 0.61 SZ13_42 0.0622 0.00058 0.918 0.017 0.107 0.0018 680 ± 40 661 ± 18 657 ± 21 3.37 0.87 SZ13_43 R 0.0699 0.00066 1.385 0.025 0.144 0.0022 927 ± 39 883 ± 21 866 ± 25 6.54 0.86 SZ13_44 0.0644 0.00059 1.095 0.020 0.123 0.0019 754 ± 39 751 ± 19 751 ± 22 0.45 0.86 SZ13_45 R 0.1073 0.01115 1.543 0.165 0.104 0.0026 1754 ± 380 948 ± 128 640 ± 31 63.49 0.24 SZ13_46 R 0.0676 0.00112 0.920 0.022 0.099 0.0017 855 ± 69 662 ± 23 608 ± 19 28.87 0.71 SZ13_47 0.0659 0.00061 1.199 0.023 0.132 0.0022 802 ± 39 800 ± 21 800 ± 25 0.23 0.87 SZ13_48 0.0616 0.00057 0.951 0.017 0.112 0.0017 662 ± 39 679 ± 18 684 ± 20-3.46 0.86 SZ13_49 R 0.0691 0.00084 1.096 0.022 0.115 0.0019 903 ± 50 751 ± 21 702 ± 21 22.20 0.80 SZ13_50 R 0.3720 0.00951 8.530 0.261 0.166 0.0028 3799 ± 77 2289 ± 55 993 ± 31 73.87 0.55 SZ13_51 0.0603 0.00058 0.797 0.016 0.096 0.0016 614 ± 42 595 ± 18 591 ± 19 3.69 0.87 SZ13_52 R 0.1831 0.00194 11.440 0.232 0.453 0.0078 2681 ± 35 2559 ± 37 2411 ± 69 10.08 0.85 SZ13_53 0.0694 0.00064 1.430 0.027 0.149 0.0025 911 ± 38 902 ± 23 899 ± 28 1.36 0.87 SZ13_54 0.0601 0.00056 0.818 0.018 0.099 0.0019 609 ± 40 607 ± 20 607 ± 22 0.24 0.90 SZ13_55 R 0.1037 0.00220 1.625 0.049 0.114 0.0024 1691 ± 78 980 ± 38 694 ± 28 58.94 0.71 SZ13_56 R 0.0735 0.00068 1.767 0.034 0.174 0.0029 1029 ± 37 1033 ± 25 1036 ± 32-0.69 0.88 SZ13_57 0.0735 0.00068 1.767 0.034 0.174 0.0029 1029 ± 37 1033 ± 25 1036 ± 32-0.69 0.88 SZ13_58 0.0609 0.00056 0.868 0.017 0.103 0.0018 637 ± 39 634 ± 19 634 ± 21 0.37 0.89 SZ13_59 R 0.0807 0.00158 1.400 0.041 0.126 0.0027 1214 ± 77 889 ± 34 765 ± 31 37.00 0.74 1729 ± SZ13_60 R 0.2595 0.01654 4.492 0.329 0.126 0.0045 3243 ± 201 118 763 ± 52 76.47 0.49 SZ13_61 R 0.0781 0.00200 0.957 0.030 0.089 0.0017 1149 ± 102 682 ± 31 550 ± 20 52.15 0.59 SZ13_62 R 0.0680 0.00069 0.969 0.018 0.103 0.0015 868 ± 42 688 ± 18 635 ± 18 26.80 0.83 79

Table 4-12. Continued. SZ13_63 0.0718 0.00066 1.577 0.033 0.159 0.0030 981 ± 37 961 ± 26 953 ± 33 2.78 0.90 SZ13_64 R 0.0748 0.00114 1.140 0.025 0.110 0.0018 1064 ± 61 772 ± 24 676 ± 20 36.42 0.72 SZ13_65 R 0.2825 0.00682 5.498 0.154 0.141 0.0020 3377 ± 75 1900 ± 48 852 ± 23 74.78 0.51 SZ13_66 R 0.0910 0.00418 2.165 0.109 0.173 0.0036 1446 ± 175 1170 ± 69 1027 ± 40 28.92 0.41 1121 ± SZ13_67 R 0.1266 0.01292 2.017 0.212 0.116 0.0030 2052 ± 360 138 705 ± 35 65.62 0.25 SZ13_68 R 0.0848 0.00171 2.031 0.052 0.174 0.0027 1310 ± 78 1126 ± 34 1034 ± 30 21.05 0.62 SZ13_69 R 0.0916 0.00117 2.069 0.042 0.164 0.0026 1458 ± 48 1139 ± 27 979 ± 28 32.83 0.78 SZ13_70 R 0.0757 0.00085 1.287 0.026 0.123 0.0021 1087 ± 45 840 ± 23 751 ± 24 30.92 0.83 SZ13_71 R 0.0708 0.00078 0.961 0.017 0.099 0.0014 950 ± 45 684 ± 18 606 ± 17 36.19 0.79 SZ13_72 R 0.0760 0.00072 1.773 0.035 0.169 0.0029 1096 ± 38 1035 ± 25 1008 ± 32 8.04 0.87 SZ13_73 0.1257 0.00115 6.326 0.128 0.365 0.0066 2038 ± 32 2022 ± 35 2008 ± 62 1.48 0.89 SZ13_74 0.0628 0.00059 0.939 0.017 0.109 0.0017 701 ± 40 672 ± 18 665 ± 20 5.19 0.86 SZ13_75 R 0.0644 0.00061 0.881 0.017 0.099 0.0016 755 ± 40 642 ± 18 610 ± 19 19.14 0.86 SZ13_76 R 0.0740 0.00300 1.120 0.049 0.110 0.0019 1040 ± 164 763 ± 47 672 ± 22 35.37 0.39 SZ13_77 0.0634 0.00058 0.992 0.018 0.113 0.0018 723 ± 39 699 ± 19 693 ± 21 4.18 0.87 SZ13_78 R 0.1962 0.00235 13.836 0.271 0.512 0.0079 2795 ± 39 2738 ± 37 2665 ± 68 4.63 0.79 SZ13_79 R 0.0762 0.00146 0.915 0.025 0.087 0.0016 1101 ± 77 659 ± 26 538 ± 20 51.11 0.70 SZ13_80 0.0749 0.00072 1.584 0.029 0.153 0.0023 1067 ± 39 964 ± 22 920 ± 26 13.73 0.85 SZ13_81 R 0.0917 0.00395 1.561 0.071 0.123 0.0018 1462 ± 163 955 ± 56 751 ± 21 48.63 0.33 SZ13_82 R 0.1813 0.00166 11.337 0.236 0.454 0.0085 2665 ± 30 2551 ± 38 2413 ± 75 9.43 0.90 SZ13_83 R 0.1043 0.00285 1.655 0.052 0.115 0.0018 1703 ± 101 991 ± 40 703 ± 21 58.73 0.50 1157 ± SZ13_85 R 0.1226 0.01291 2.126 0.229 0.126 0.0029 1995 ± 374 144 764 ± 33 61.69 0.21 SZ13_86 R 0.1120 0.00223 1.566 0.042 0.101 0.0019 1832 ± 72 957 ± 33 623 ± 22 65.99 0.68 SZ13_87 R 0.0639 0.00063 0.893 0.015 0.101 0.0014 738 ± 42 648 ± 16 623 ± 16 15.60 0.81 SZ13_88 R 0.6165 0.01091 21.695 0.983 0.255 0.0106 4547 ± 51 3170 ± 86 1466 ± 109 67.75 0.92 SZ13_89 0.0792 0.00115 1.825 0.038 0.167 0.0025 1178 ± 57 1054 ± 27 997 ± 28 15.35 0.73 80

Table 4-12. Continued. SZ13_90 R 0.1198 0.00258 1.447 0.037 0.088 0.0012 1953 ± 77 909 ± 31 542 ± 14 72.24 0.54 SZ13_91 R 0.1835 0.00169 12.062 0.210 0.477 0.0071 2685 ± 30 2609 ± 32 2515 ± 61 6.30 0.85 SZ13_92 R 0.0693 0.00064 1.237 0.022 0.129 0.0020 909 ± 38 817 ± 20 785 ± 23 13.62 0.86 SZ13_93 R 0.1024 0.00220 2.114 0.060 0.150 0.0028 1669 ± 79 1153 ± 39 900 ± 31 46.07 0.65 SZ13_94 0.0717 0.00104 1.325 0.029 0.134 0.0022 977 ± 59 856 ± 25 811 ± 25 16.97 0.75 SZ13_95 R 0.1039 0.00375 1.491 0.058 0.104 0.0016 1694 ± 133 927 ± 47 639 ± 18 62.28 0.38 SZ13_96 0.0654 0.00060 1.123 0.020 0.124 0.0018 788 ± 38 764 ± 19 757 ± 21 3.96 0.85 SZ13_97 0.0752 0.00074 1.794 0.034 0.173 0.0029 1073 ± 40 1043 ± 25 1030 ± 31 3.95 0.86 SZ13_98 R 0.0677 0.00094 0.942 0.020 0.101 0.0016 861 ± 58 674 ± 21 620 ± 18 27.96 0.75 SZ13_99 0.0722 0.00067 1.564 0.028 0.157 0.0024 992 ± 38 956 ± 22 941 ± 27 5.06 0.85 SZ13_100 0.0631 0.00062 0.982 0.019 0.113 0.0018 712 ± 41 695 ± 19 690 ± 21 3.00 0.86 SZ13_101 R 0.0762 0.00076 1.660 0.031 0.158 0.0024 1100 ± 40 993 ± 23 946 ± 27 13.92 0.84 SZ13_102 R 0.0899 0.00204 2.006 0.054 0.162 0.0023 1424 ± 87 1117 ± 36 968 ± 25 32.02 0.53 SZ13_103 R 0.0633 0.00060 0.895 0.017 0.103 0.0017 719 ± 40 649 ± 18 630 ± 19 12.42 0.86 SZ13_104 R 0.3323 0.00983 10.081 0.440 0.220 0.0071 3628 ± 91 2442 ± 79 1283 ± 75 64.63 0.74 SZ13_105 0.0609 0.00056 0.852 0.017 0.101 0.0018 636 ± 39 626 ± 18 623 ± 21 1.99 0.89 SZ13_106 0.0651 0.00060 1.135 0.021 0.126 0.0020 777 ± 39 770 ± 20 768 ± 23 1.13 0.87 SZ13_107 0.0686 0.00076 1.170 0.021 0.124 0.0018 887 ± 46 787 ± 20 753 ± 21 15.09 0.80 SZ13_108 0.0719 0.00066 1.582 0.028 0.160 0.0025 983 ± 37 963 ± 22 955 ± 27 2.75 0.86 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U 81

Table 4-13. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF09-12a from the Southern Margin Zone, Kalahari Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent rho 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) Age (Ma) discord. factor DF09-12a_1 0.0828 0.00053 2.279 0.046 0.200 0.0038 1265 ± 25 1206 ± 28 1174 ± 41 7.20 0.95 DF09-12a_2 0.0769 0.00047 1.880 0.037 0.177 0.0033 1119 ± 24 1074 ± 26 1053 ± 36 5.88 0.95 DF09-12a_3 R 0.0943 0.00117 2.634 0.058 0.203 0.0037 1514 ± 47 1310 ± 32 1190 ± 39 21.40 0.82 DF09-12a_4 0.0770 0.00050 1.928 0.039 0.182 0.0035 1120 ± 26 1091 ± 27 1077 ± 38 3.84 0.95 DF09-12a_5 R 0.0997 0.00096 2.094 0.053 0.152 0.0036 1618 ± 36 1147 ± 35 915 ± 40 43.42 0.93 DF09-12a_6 R 0.0816 0.00058 1.327 0.054 0.118 0.0047 1236 ± 28 857 ± 46 719 ± 54 41.79 0.98 DF09-12a_7 R 0.1000 0.00139 1.923 0.069 0.140 0.0046 1623 ± 52 1089 ± 47 843 ± 52 48.07 0.92 DF09-12a_8 0.0824 0.00050 2.341 0.044 0.206 0.0037 1256 ± 24 1225 ± 27 1208 ± 40 3.75 0.95 DF09-12a_9 0.0932 0.00056 3.191 0.059 0.248 0.0043 1492 ± 23 1455 ± 28 1431 ± 45 4.03 0.94 DF09-12a_10 0.0772 0.00047 1.941 0.037 0.182 0.0033 1126 ± 24 1095 ± 25 1081 ± 36 3.96 0.95 DF09-12a_11 0.0973 0.00060 3.512 0.068 0.262 0.0048 1572 ± 23 1530 ± 30 1501 ± 49 4.52 0.95 DF09-12a_12 0.1160 0.00070 5.330 0.107 0.333 0.0064 1896 ± 22 1873 ± 34 1855 ± 62 2.11 0.95 DF09-12a_13 R 0.0861 0.00054 2.124 0.063 0.179 0.0052 1339 ± 24 1156 ± 40 1062 ± 56 20.67 0.98 DF09-12a_14 0.0862 0.00054 2.777 0.051 0.234 0.0040 1342 ± 24 1349 ± 27 1356 ± 42-1.04 0.94 DF09-12a_15 0.0817 0.00052 2.270 0.043 0.201 0.0036 1239 ± 25 1203 ± 26 1184 ± 38 4.41 0.94 DF09-12a_16 0.0818 0.00050 2.344 0.046 0.208 0.0039 1240 ± 24 1226 ± 28 1219 ± 41 1.66 0.95 DF09-12a_17 0.0867 0.00053 2.635 0.048 0.220 0.0038 1354 ± 23 1310 ± 27 1285 ± 40 5.07 0.94 DF09-12a_18 R 0.1240 0.00075 5.361 0.122 0.313 0.0069 2015 ± 21 1878 ± 39 1759 ± 68 12.70 0.96 DF09-12a_19 0.0766 0.00123 1.822 0.046 0.172 0.0034 1111 ± 64 1053 ± 33 1027 ± 37 7.59 0.77 DF09-12a_20 R 0.0829 0.00052 1.915 0.046 0.167 0.0039 1268 ± 25 1086 ± 32 999 ± 43 21.20 0.96 DF09-12a_21 0.0806 0.00049 2.219 0.042 0.200 0.0036 1211 ± 24 1187 ± 26 1175 ± 38 3.00 0.95 DF09-12a_22 0.0798 0.00052 2.148 0.040 0.195 0.0034 1193 ± 26 1164 ± 26 1150 ± 37 3.55 0.94 DF09-12a_23 0.0815 0.00049 2.229 0.043 0.198 0.0037 1233 ± 24 1190 ± 27 1167 ± 39 5.32 0.95 DF09-12a_24 R 0.0942 0.00060 2.584 0.079 0.199 0.0059 1512 ± 24 1296 ± 44 1171 ± 63 22.58 0.98 DF09-12a_25 R 0.1027 0.00063 3.741 0.075 0.264 0.0051 1674 ± 23 1580 ± 32 1512 ± 52 9.63 0.95 DF09-12a_26 0.0862 0.00053 2.637 0.049 0.222 0.0039 1342 ± 24 1311 ± 27 1293 ± 41 3.66 0.94 82

Table 4-13. Continued. DF09-12a_27 0.0934 0.00057 3.196 0.060 0.248 0.0044 1495 ± 23 1456 ± 29 1431 ± 46 4.30 0.95 DF09-12a_28 0.1104 0.00067 3.941 0.075 0.259 0.0047 1806 ± 22 1622 ± 31 1485 ± 48 17.75 0.95 DF09-12a_29 0.0925 0.00056 3.150 0.059 0.247 0.0044 1477 ± 23 1445 ± 29 1424 ± 46 3.56 0.95 DF09-12a_30 0.1187 0.00072 5.465 0.102 0.334 0.0059 1936 ± 22 1895 ± 32 1859 ± 57 3.97 0.95 DF09-12a_31 0.0838 0.00051 2.433 0.048 0.211 0.0040 1287 ± 24 1252 ± 28 1233 ± 42 4.18 0.95 DF09-12a_32 R 0.0848 0.00059 0.834 0.038 0.071 0.0032 1311 ± 27 616 ± 42 445 ± 39 66.07 0.99 DF09-12a_33 0.0874 0.00053 2.662 0.063 0.221 0.0051 1369 ± 23 1318 ± 35 1288 ± 53 5.86 0.97 DF09-12a_34 0.0760 0.00047 1.797 0.032 0.172 0.0029 1095 ± 25 1044 ± 23 1021 ± 32 6.69 0.94 DF09-12a_35 R 0.0717 0.00047 1.466 0.027 0.148 0.0025 978 ± 27 916 ± 22 891 ± 28 8.85 0.93 DF09-12a_36 0.0781 0.00049 1.968 0.038 0.183 0.0034 1148 ± 25 1104 ± 26 1083 ± 37 5.65 0.95 DF09-12a_37 R 0.1149 0.00070 3.780 0.081 0.239 0.0049 1879 ± 22 1588 ± 34 1380 ± 51 26.51 0.96 DF09-12a_38 0.0795 0.00055 2.052 0.046 0.187 0.0040 1184 ± 27 1133 ± 30 1108 ± 43 6.42 0.95 DF09-12a_39 0.0801 0.00049 2.103 0.040 0.190 0.0034 1200 ± 24 1150 ± 26 1124 ± 37 6.28 0.95 DF09-12a_40 0.0867 0.00054 2.581 0.048 0.216 0.0038 1354 ± 24 1295 ± 27 1261 ± 40 6.87 0.94 DF09-12a_41 R 0.0864 0.00053 2.296 0.040 0.193 0.0032 1348 ± 24 1211 ± 25 1136 ± 34 15.66 0.94 DF09-12a_42 0.0799 0.00050 2.138 0.041 0.194 0.0035 1194 ± 25 1161 ± 26 1145 ± 38 4.09 0.95 DF09-12a_43 0.0780 0.00048 1.943 0.034 0.181 0.0030 1146 ± 24 1096 ± 23 1072 ± 32 6.43 0.94 DF09-12a_44 0.0823 0.00050 2.295 0.043 0.202 0.0036 1252 ± 24 1210 ± 26 1188 ± 38 5.09 0.95 DF09-12a_45 0.0842 0.00052 2.457 0.046 0.211 0.0038 1298 ± 24 1259 ± 27 1238 ± 40 4.64 0.95 DF09-12a_46 0.0949 0.00059 3.291 0.059 0.252 0.0043 1526 ± 23 1479 ± 28 1447 ± 44 5.15 0.94 DF09-12a_47 0.0819 0.00050 2.267 0.042 0.201 0.0035 1244 ± 24 1202 ± 26 1180 ± 38 5.12 0.94 DF09-12a_48 0.0818 0.00050 2.275 0.041 0.202 0.0035 1241 ± 24 1204 ± 26 1185 ± 37 4.50 0.94 DF09-12a_49 R 0.0877 0.00124 1.639 0.036 0.136 0.0023 1375 ± 54 985 ± 28 820 ± 26 40.34 0.77 DF09-12a_50 0.1153 0.00075 4.715 0.101 0.297 0.0061 1884 ± 23 1770 ± 36 1676 ± 60 11.05 0.95 DF09-12a_51 0.1134 0.00068 4.332 0.081 0.277 0.0049 1855 ± 22 1699 ± 31 1577 ± 50 14.97 0.95 DF09-12a_52 0.0804 0.00050 2.183 0.041 0.197 0.0035 1208 ± 24 1176 ± 26 1159 ± 38 3.99 0.94 DF09-12a_53 0.0764 0.00047 1.784 0.032 0.169 0.0029 1107 ± 24 1039 ± 23 1009 ± 32 8.83 0.94 DF09-12a_54 R 0.0828 0.00053 1.865 0.034 0.163 0.0028 1263 ± 25 1069 ± 24 977 ± 31 22.66 0.94 83

Table 4-13. Continued. DF09-12a_55 R 0.0832 0.00053 0.871 0.017 0.076 0.0014 1274 ± 25 636 ± 19 472 ± 17 62.92 0.95 DF09-12a_56 0.1134 0.00069 4.497 0.082 0.288 0.0050 1854 ± 22 1730 ± 30 1631 ± 50 12.01 0.94 DF09-12a_57 0.1074 0.00067 2.996 0.054 0.202 0.0034 1756 ± 23 1406 ± 27 1189 ± 37 32.31 0.94 DF09-12a_58 R 0.1138 0.00069 4.968 0.091 0.317 0.0055 1861 ± 22 1814 ± 31 1775 ± 54 4.60 0.94 DF09-12a_59 R 0.0799 0.00061 1.181 0.031 0.107 0.0027 1196 ± 30 792 ± 29 657 ± 31 45.06 0.96 DF09-12a_60 0.0813 0.00050 2.270 0.042 0.202 0.0035 1230 ± 24 1203 ± 26 1189 ± 38 3.30 0.94 DF09-12a_61 0.0813 0.00050 2.075 0.040 0.185 0.0034 1228 ± 24 1140 ± 26 1096 ± 37 10.71 0.95 DF09-12a_62 R 0.0913 0.00057 2.745 0.056 0.218 0.0042 1452 ± 24 1341 ± 30 1273 ± 45 12.32 0.95 DF09-12a_63 0.0780 0.00048 1.837 0.032 0.171 0.0028 1148 ± 24 1059 ± 23 1017 ± 31 11.43 0.94 DF09-12a_64 0.0803 0.00049 1.917 0.036 0.173 0.0031 1204 ± 24 1087 ± 25 1031 ± 34 14.36 0.95 DF09-12a_65 0.0802 0.00052 1.928 0.037 0.174 0.0032 1203 ± 25 1091 ± 26 1036 ± 35 13.83 0.94 DF09-12a_66 0.0746 0.00046 1.744 0.032 0.169 0.0030 1058 ± 25 1025 ± 24 1010 ± 33 4.53 0.94 DF09-12a_67 R 0.0988 0.00064 2.528 0.064 0.186 0.0046 1602 ± 24 1280 ± 37 1098 ± 50 31.42 0.97 DF09-12a_68 R 0.0735 0.00047 1.660 0.030 0.164 0.0028 1027 ± 26 993 ± 23 979 ± 31 4.64 0.94 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U Table 4-14. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF09-04 from the Southern Margin Zone, Kalahari Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent rho 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) Age (Ma) discord. factor DF09-04_1 0.0883 0.00039 2.828 0.045 0.232 0.0035 1390 ± 17 1363 ± 23 1347 ± 37 3.06 0.96 DF09-04_2 0.1093 0.00037 4.796 0.079 0.318 0.0051 1787 ± 12 1784 ± 27 1783 ± 50 0.22 0.98 DF09-04_3 0.1090 0.00037 4.623 0.074 0.308 0.0048 1783 ± 12 1753 ± 26 1730 ± 47 2.93 0.98 DF09-04_4 R 0.1365 0.00046 7.109 0.099 0.378 0.0051 2184 ± 12 2125 ± 25 2067 ± 48 5.34 0.97 DF09-04_5 0.1155 0.00041 5.285 0.083 0.332 0.0051 1888 ± 13 1866 ± 27 1848 ± 49 2.11 0.97 DF09-04_6 R 0.0892 0.00041 2.264 0.047 0.184 0.0038 1408 ± 18 1201 ± 29 1090 ± 41 22.53 0.97 DF09-04_7 0.0737 0.00025 1.713 0.026 0.169 0.0025 1032 ± 14 1013 ± 19 1006 ± 28 2.55 0.97 DF09-04_8 0.0743 0.00026 1.781 0.025 0.174 0.0023 1051 ± 14 1038 ± 18 1033 ± 26 1.63 0.97 DF09-04_9 0.0859 0.00031 2.641 0.040 0.223 0.0033 1337 ± 14 1312 ± 22 1298 ± 35 2.88 0.97 84

Table 4-14. Continued. DF09-04_10 0.0785 0.00027 2.134 0.033 0.197 0.0029 1160 ± 14 1160 ± 21 1161 ± 32-0.05 0.97 DF09-04_11 0.0834 0.00028 2.584 0.042 0.225 0.0036 1280 ± 13 1296 ± 24 1307 ± 38-2.15 0.98 DF09-04_12 0.1175 0.00051 5.675 0.084 0.350 0.0050 1919 ± 15 1927 ± 25 1937 ± 47-0.94 0.96 DF09-04_13 0.0807 0.00030 2.161 0.043 0.194 0.0038 1215 ± 14 1169 ± 28 1145 ± 41 5.73 0.98 DF09-04_14 0.0772 0.00026 1.997 0.032 0.188 0.0029 1127 ± 14 1114 ± 21 1109 ± 32 1.61 0.98 DF09-04_15 0.0843 0.00036 2.460 0.039 0.212 0.0032 1299 ± 17 1260 ± 23 1239 ± 34 4.59 0.96 DF09-04_16 0.0767 0.00027 1.936 0.028 0.183 0.0026 1115 ± 14 1094 ± 19 1084 ± 28 2.72 0.97 DF09-04_17 0.0813 0.00029 2.373 0.039 0.212 0.0034 1229 ± 14 1234 ± 23 1239 ± 36-0.84 0.98 DF09-04_18 0.0974 0.00036 3.447 0.059 0.257 0.0043 1574 ± 14 1515 ± 27 1475 ± 44 6.32 0.98 DF09-04_19 0.0768 0.00027 1.984 0.030 0.187 0.0028 1117 ± 14 1110 ± 20 1107 ± 30 0.87 0.97 DF09-04_20 0.0783 0.00027 2.090 0.030 0.194 0.0027 1154 ± 13 1145 ± 19 1142 ± 29 1.07 0.97 DF09-04_21 0.0812 0.00028 2.345 0.032 0.209 0.0028 1227 ± 14 1226 ± 19 1226 ± 29 0.01 0.97 DF09-04_22 0.1151 0.00039 5.402 0.091 0.340 0.0056 1882 ± 12 1885 ± 29 1890 ± 54-0.44 0.98 DF09-04_23 R 0.1179 0.00063 4.929 0.118 0.303 0.0071 1924 ± 19 1807 ± 40 1709 ± 70 11.18 0.97 DF09-04_24 0.0828 0.00029 2.438 0.038 0.214 0.0032 1264 ± 14 1254 ± 22 1249 ± 35 1.19 0.97 DF09-04_25 0.0869 0.00031 2.723 0.041 0.227 0.0033 1359 ± 14 1335 ± 22 1321 ± 35 2.82 0.97 DF09-04_26 R 0.0856 0.00036 2.390 0.059 0.203 0.0049 1328 ± 16 1239 ± 35 1190 ± 53 10.37 0.99 DF09-04_27 0.0814 0.00028 2.260 0.034 0.201 0.0030 1232 ± 13 1200 ± 21 1183 ± 32 3.99 0.97 DF09-04_28 R 0.0975 0.00047 2.616 0.089 0.195 0.0065 1577 ± 18 1305 ± 49 1147 ± 70 27.29 0.99 DF09-04_29 0.0747 0.00026 1.757 0.032 0.170 0.0031 1062 ± 14 1029 ± 24 1015 ± 34 4.34 0.98 DF09-04_30 0.0827 0.00038 2.310 0.031 0.203 0.0025 1262 ± 18 1215 ± 19 1190 ± 27 5.70 0.94 DF09-04_31 0.0905 0.00032 2.868 0.045 0.230 0.0035 1435 ± 13 1373 ± 23 1335 ± 37 6.94 0.97 DF09-04_32 R 0.1137 0.00038 4.920 0.068 0.314 0.0042 1859 ± 12 1805 ± 23 1761 ± 42 5.27 0.97 DF09-04_33 R 0.0905 0.00047 1.818 0.045 0.146 0.0035 1435 ± 20 1052 ± 32 878 ± 40 38.82 0.98 DF09-04_34 R not sampled DF09-04_35 0.0810 0.00028 2.333 0.037 0.209 0.0032 1221 ± 13 1222 ± 22 1224 ± 34-0.28 0.98 DF09-04_36 0.0868 0.00029 2.658 0.038 0.222 0.0031 1356 ± 13 1317 ± 21 1294 ± 33 4.53 0.97 DF09-04_37 0.0808 0.00027 2.263 0.034 0.203 0.0029 1216 ± 13 1201 ± 21 1193 ± 31 1.82 0.97 DF09-04_38 0.0783 0.00026 1.965 0.027 0.182 0.0025 1156 ± 13 1103 ± 19 1078 ± 27 6.70 0.97 85

Table 4-14. Continued. DF09-04_39 0.1223 0.00041 6.078 0.095 0.361 0.0055 1990 ± 12 1987 ± 27 1986 ± 52 0.15 0.98 DF09-04_40 R 0.0787 0.00042 1.584 0.026 0.146 0.0023 1165 ± 21 964 ± 20 879 ± 26 24.58 0.95 DF09-04_41 0.0784 0.00027 2.098 0.032 0.194 0.0029 1158 ± 14 1148 ± 21 1144 ± 31 1.18 0.97 DF09-04_42 0.0817 0.00028 2.381 0.039 0.211 0.0034 1238 ± 13 1237 ± 23 1237 ± 36 0.07 0.98 DF09-04_43 R 0.0875 0.00033 2.296 0.050 0.190 0.0041 1372 ± 15 1211 ± 31 1124 ± 44 18.06 0.98 DF09-04_44 0.0789 0.00032 2.152 0.031 0.198 0.0028 1169 ± 16 1166 ± 20 1165 ± 30 0.29 0.96 DF09-04_45 0.0844 0.00030 2.602 0.043 0.224 0.0036 1302 ± 14 1301 ± 24 1302 ± 38-0.03 0.98 DF09-04_46 0.0948 0.00034 3.472 0.055 0.265 0.0041 1525 ± 13 1521 ± 25 1519 ± 42 0.36 0.97 DF09-04_47 0.0798 0.00028 2.139 0.031 0.195 0.0027 1191 ± 14 1161 ± 20 1147 ± 29 3.67 0.97 DF09-04_48 R 0.0840 0.00032 2.291 0.042 0.198 0.0036 1293 ± 15 1209 ± 26 1164 ± 39 9.99 0.98 DF09-04_49 R 0.0904 0.00052 2.372 0.049 0.190 0.0038 1434 ± 22 1234 ± 29 1124 ± 41 21.59 0.96 DF09-04_50 0.0766 0.00029 1.975 0.033 0.187 0.0031 1112 ± 15 1107 ± 23 1105 ± 33 0.55 0.97 DF09-04_51 R 0.1269 0.00042 6.204 0.107 0.355 0.0060 2055 ± 12 2005 ± 30 1958 ± 57 4.70 0.98 DF09-04_52 R 0.0823 0.00047 1.796 0.051 0.158 0.0044 1252 ± 23 1044 ± 36 948 ± 49 24.27 0.98 DF09-04_53 0.1007 0.00039 3.666 0.061 0.264 0.0043 1637 ± 14 1564 ± 26 1512 ± 44 7.66 0.97 DF09-04_54 R 0.0776 0.00061 1.751 0.028 0.164 0.0023 1136 ± 31 1027 ± 21 978 ± 25 13.90 0.87 DF09-04_55 R 0.1114 0.00038 3.844 0.058 0.250 0.0037 1822 ± 12 1602 ± 24 1441 ± 38 20.92 0.97 DF09-04_56 0.0861 0.00030 2.711 0.047 0.228 0.0039 1341 ± 14 1331 ± 25 1327 ± 40 1.02 0.98 DF09-04_57 0.1137 0.00038 5.178 0.087 0.330 0.0055 1859 ± 12 1849 ± 29 1841 ± 53 0.94 0.98 DF09-04_58 0.1076 0.00037 4.623 0.069 0.312 0.0045 1759 ± 12 1753 ± 25 1750 ± 45 0.51 0.97 DF09-04_59 0.0856 0.00029 2.739 0.040 0.232 0.0033 1328 ± 13 1339 ± 22 1347 ± 35-1.44 0.97 DF09-04_60 0.0891 0.00030 3.040 0.045 0.248 0.0035 1406 ± 13 1417 ± 22 1427 ± 37-1.51 0.97 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U 86

Table 4-15. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF06-40 from the Southern Foreland Zone, Kalahari Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent rho 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) Age (Ma) discord. factor DF06-40_1 0.0796 0.00021 2.025 0.029 0.185 0.0026 1187 ± 10 1124 ± 20 1092 ± 29 7.93 0.98 DF06-40_2 0.1774 0.00040 10.430 0.110 0.426 0.0044 2629 ± 7 2473 ± 19 2291 ± 40 12.86 0.98 DF06-40_3 0.1271 0.00028 5.978 0.085 0.341 0.0048 2058 ± 8 1972 ± 25 1894 ± 46 7.99 0.99 DF06-40_4 0.0795 0.00065 1.952 0.028 0.178 0.0021 1186 ± 32 1099 ± 19 1057 ± 23 10.84 0.82 DF06-40_5 0.1324 0.00029 6.643 0.086 0.364 0.0046 2130 ± 8 2065 ± 23 2002 ± 44 6.02 0.99 DF06-40_6 R 0.0911 0.00020 1.881 0.030 0.150 0.0024 1449 ± 8 1074 ± 21 900 ± 26 37.88 0.99 DF06-40_7 R 0.1887 0.00039 12.398 0.158 0.477 0.0060 2730 ± 7 2635 ± 24 2515 ± 52 7.89 0.99 DF06-40_8 R 0.1861 0.00040 11.544 0.155 0.450 0.0060 2708 ± 7 2568 ± 25 2397 ± 53 11.48 0.99 DF06-40_9 R 0.1256 0.00027 5.063 0.078 0.292 0.0045 2038 ± 8 1830 ± 26 1654 ± 45 18.80 0.99 DF06-40_10 0.0775 0.00022 1.847 0.019 0.173 0.0017 1133 ± 12 1062 ± 13 1029 ± 18 9.18 0.96 DF06-40_11 0.0756 0.00047 1.874 0.035 0.180 0.0032 1085 ± 25 1072 ± 25 1066 ± 34 1.68 0.94 DF06-40_12 R 0.0923 0.00104 2.151 0.055 0.169 0.0038 1474 ± 43 1165 ± 35 1007 ± 42 31.63 0.90 DF06-40_13 0.1242 0.00075 6.211 0.113 0.363 0.0063 2018 ± 21 2006 ± 32 1996 ± 59 1.07 0.94 DF06-40_14 R 0.1567 0.00154 3.852 0.152 0.178 0.0068 2421 ± 33 1603 ± 63 1058 ± 74 56.28 0.97 DF06-40_15 R 0.0882 0.00104 2.087 0.039 0.172 0.0025 1387 ± 45 1144 ± 25 1022 ± 27 26.34 0.77 DF06-40_16 R 0.0835 0.00079 1.480 0.047 0.128 0.0039 1282 ± 37 922 ± 38 780 ± 45 39.14 0.95 DF06-40_17 R 0.1459 0.00088 7.815 0.114 0.388 0.0052 2299 ± 21 2210 ± 26 2117 ± 48 7.90 0.91 DF06-40_19 0.1257 0.00076 6.432 0.107 0.371 0.0058 2039 ± 21 2036 ± 29 2036 ± 54 0.15 0.93 DF06-40_20 0.1588 0.00095 6.201 0.112 0.283 0.0048 2442 ± 20 2004 ± 31 1609 ± 48 34.10 0.94 DF06-40_21 0.1703 0.00120 11.334 0.182 0.483 0.0070 2561 ± 24 2551 ± 30 2541 ± 60 0.76 0.90 DF06-40_22 R 0.0883 0.00110 2.084 0.043 0.171 0.0028 1389 ± 48 1143 ± 28 1019 ± 31 26.61 0.80 DF06-40_23 R 0.0787 0.00056 1.779 0.040 0.164 0.0035 1165 ± 28 1038 ± 29 979 ± 39 15.93 0.95 DF06-40_24 0.1250 0.00075 5.479 0.102 0.318 0.0056 2029 ± 21 1897 ± 32 1781 ± 55 12.22 0.95 DF06-40_25 0.0869 0.00052 2.762 0.053 0.230 0.0042 1358 ± 23 1345 ± 28 1338 ± 44 1.46 0.95 DF06-40_26 0.1544 0.00112 5.987 0.316 0.281 0.0147 2395 ± 25 1974 ± 90 1599 ± 147 33.24 0.99 DF06-40_27 0.1859 0.00111 13.438 0.248 0.524 0.0092 2706 ± 20 2711 ± 35 2719 ± 77-0.49 0.95 DF06-40_28 0.1256 0.00076 6.389 0.095 0.369 0.0050 2037 ± 21 2030 ± 26 2026 ± 47 0.54 0.91 87

Table 4-15. Continued. DF06-40_29 R 0.1327 0.00126 3.167 0.079 0.173 0.0040 2134 ± 33 1449 ± 38 1030 ± 44 51.72 0.92 DF06-40_30 0.1873 0.00112 12.988 0.216 0.503 0.0078 2718 ± 20 2678 ± 31 2629 ± 67 3.28 0.93 DF06-40_31 R 0.1509 0.00174 3.428 0.081 0.165 0.0034 2356 ± 39 1511 ± 37 984 ± 38 58.22 0.87 DF06-40_32 R 0.1319 0.00081 5.802 0.109 0.319 0.0057 2123 ± 22 1946 ± 32 1786 ± 55 15.86 0.94 DF06-40_33 0.1179 0.00070 4.386 0.120 0.270 0.0072 1924 ± 21 1709 ± 45 1541 ± 73 19.89 0.98 DF06-40_34 0.1659 0.00100 6.970 0.243 0.305 0.0104 2517 ± 20 2107 ± 61 1716 ± 103 31.80 0.98 DF06-40_35 R 0.8330 0.00857 137.257 4.987 1.195 0.0416 4600 ± 39 5004 ± 72 5072 ± 242-10.26 0.96 DF06-40_36 0.0778 0.00057 1.933 0.039 0.180 0.0033 1141 ± 29 1092 ± 27 1069 ± 37 6.32 0.93 DF06-40_37 0.1270 0.00078 5.921 0.150 0.338 0.0083 2057 ± 22 1964 ± 43 1879 ± 80 8.66 0.97 DF06-40_38 0.0809 0.00050 2.063 0.036 0.185 0.0030 1218 ± 24 1137 ± 24 1095 ± 33 10.07 0.94 DF06-40_39 0.1277 0.00078 6.324 0.116 0.359 0.0062 2066 ± 21 2022 ± 32 1980 ± 59 4.16 0.94 DF06-40_40 R 0.1581 0.00095 9.373 0.169 0.430 0.0073 2436 ± 20 2375 ± 33 2307 ± 66 5.28 0.94 DF06-40_41 0.0805 0.00077 1.983 0.041 0.179 0.0032 1208 ± 38 1110 ± 28 1061 ± 35 12.15 0.88 DF06-40_42 0.1311 0.00079 6.829 0.116 0.378 0.0060 2113 ± 21 2089 ± 30 2068 ± 56 2.12 0.93 DF06-40_43 0.0794 0.00054 1.924 0.031 0.176 0.0026 1181 ± 27 1089 ± 21 1045 ± 28 11.50 0.91 DF06-40_44 0.1318 0.00079 6.442 0.134 0.354 0.0070 2122 ± 21 2038 ± 36 1957 ± 67 7.76 0.96 DF06-40_45 R 0.1760 0.00105 11.248 0.263 0.463 0.0105 2616 ± 20 2544 ± 43 2457 ± 92 6.06 0.97 DF06-40_46 0.1316 0.00079 6.790 0.114 0.374 0.0059 2119 ± 21 2084 ± 30 2051 ± 55 3.17 0.93 DF06-40_47 0.1274 0.00078 6.421 0.109 0.365 0.0058 2063 ± 22 2035 ± 30 2010 ± 55 2.56 0.93 DF06-40_48 0.1281 0.00077 5.844 0.135 0.331 0.0074 2072 ± 21 1953 ± 40 1844 ± 71 10.96 0.97 DF06-40_49 R 0.1523 0.00158 3.621 0.332 0.172 0.0157 2372 ± 35 1554 ± 141 1026 ± 172 56.74 0.99 DF06-40_50 R 0.1736 0.00104 7.526 0.153 0.314 0.0061 2593 ± 20 2176 ± 36 1764 ± 60 31.97 0.96 DF06-40_51 R 0.0779 0.00050 1.766 0.026 0.164 0.0022 1144 ± 25 1033 ± 19 982 ± 25 14.10 0.90 DF06-40_52 R 0.1370 0.00085 6.387 0.116 0.338 0.0058 2189 ± 21 2030 ± 32 1880 ± 55 14.14 0.94 DF06-40_53 R 0.1258 0.00075 5.996 0.094 0.346 0.0050 2040 ± 21 1975 ± 27 1916 ± 48 6.05 0.92 DF06-40_54 0.1249 0.00075 6.388 0.118 0.371 0.0065 2028 ± 21 2030 ± 32 2035 ± 61-0.38 0.95 DF06-40_55 0.1163 0.00073 5.383 0.095 0.336 0.0056 1900 ± 22 1882 ± 30 1868 ± 54 1.68 0.94 DF06-40_56 0.1841 0.00110 12.916 0.225 0.509 0.0083 2690 ± 20 2673 ± 33 2654 ± 71 1.36 0.94 DF06-40_57 0.1305 0.00078 6.498 0.120 0.361 0.0063 2105 ± 21 2045 ± 32 1989 ± 60 5.53 0.95 88

Table 4-15. Continued. DF06-40_58 R 0.3262 0.00197 26.491 0.423 0.589 0.0087 3599 ± 19 3364 ± 31 2988 ± 70 16.98 0.93 DF06-40_59 0.1209 0.00075 4.864 0.096 0.292 0.0054 1970 ± 22 1796 ± 33 1651 ± 54 16.17 0.95 DF06-40_60 0.0778 0.00055 1.913 0.052 0.178 0.0047 1143 ± 28 1085 ± 36 1058 ± 52 7.40 0.97 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U Table 4-16. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF06-41 from the Southern Foreland Zone, Kalahari Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent rho 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) Age (Ma) discord. factor DF06-41_1 0.0627 0.00038 0.832 0.015 0.096 0.0017 698 ± 26 614 ± 17 593 ± 20 15.11 0.94 DF06-41_2 R 0.0773 0.00037 1.747 0.032 0.164 0.0029 1130 ± 19 1026 ± 24 979 ± 32 13.34 0.97 DF06-41_3 R 0.1213 0.00051 4.925 0.376 0.294 0.0224 1976 ± 15 1806 ± 125 1665 ± 222 15.73 1.00 DF06-41_4.1 0.1587 0.00065 9.679 0.184 0.442 0.0082 2442 ± 14 2404 ± 35 2363 ± 73 3.20 0.98 DF06-41_4 R 0.1253 0.00051 5.883 0.128 0.340 0.0073 2033 ± 14 1958 ± 37 1891 ± 70 7.01 0.98 DF06-41_6 0.1297 0.00054 6.698 0.124 0.375 0.0067 2094 ± 15 2072 ± 32 2052 ± 63 1.99 0.97 DF06-41_7 0.1708 0.00070 11.309 0.212 0.480 0.0088 2566 ± 14 2549 ± 35 2530 ± 76 1.37 0.98 DF06-41_8 0.1268 0.00052 6.113 0.121 0.350 0.0068 2054 ± 14 1992 ± 34 1934 ± 64 5.83 0.98 DF06-41_9 0.1300 0.00058 6.619 0.123 0.369 0.0067 2098 ± 16 2062 ± 32 2028 ± 63 3.31 0.97 DF06-41_10 0.1301 0.00057 6.658 0.122 0.371 0.0066 2099 ± 15 2067 ± 32 2037 ± 62 2.96 0.97 DF06-41_11 0.1267 0.00054 6.280 0.117 0.360 0.0065 2052 ± 15 2015 ± 32 1982 ± 62 3.42 0.97 DF06-41_12 0.1737 0.00071 10.794 0.214 0.451 0.0087 2594 ± 14 2505 ± 36 2400 ± 77 7.46 0.98 DF06-41_13 R 0.0708 0.00063 0.741 0.029 0.076 0.0029 951 ± 37 563 ± 34 472 ± 35 50.31 0.97 DF06-41_14 0.2874 0.00117 26.609 0.512 0.672 0.0126 3403 ± 13 3369 ± 37 3315 ± 97 2.59 0.98 DF06-41_15 0.1280 0.00052 6.550 0.125 0.371 0.0069 2070 ± 14 2052 ± 33 2037 ± 65 1.61 0.98 DF06-41_16 0.0766 0.00032 1.926 0.036 0.182 0.0033 1110 ± 17 1090 ± 25 1081 ± 36 2.58 0.97 DF06-41_17 R 0.1343 0.00138 6.700 0.135 0.362 0.0063 2155 ± 36 2072 ± 35 1992 ± 59 7.55 0.86 DF06-41_18 0.1247 0.00053 6.179 0.116 0.359 0.0066 2024 ± 15 2001 ± 33 1981 ± 62 2.13 0.97 DF06-41_19 0.0730 0.00031 1.678 0.031 0.167 0.0030 1014 ± 17 1000 ± 23 995 ± 33 1.82 0.97 DF06-41_20 0.0695 0.00029 1.436 0.028 0.150 0.0028 914 ± 17 904 ± 23 901 ± 31 1.45 0.98 89

Table 4-16. Continued. DF06-41_21 0.1251 0.00052 6.242 0.121 0.362 0.0068 2030 ± 15 2010 ± 34 1993 ± 65 1.84 0.98 DF06-41_22 0.0740 0.00031 1.751 0.034 0.172 0.0032 1041 ± 17 1027 ± 25 1022 ± 35 1.79 0.98 DF06-41_23 0.0596 0.00028 0.724 0.014 0.088 0.0016 589 ± 20 553 ± 16 545 ± 20 7.48 0.97 DF06-41_24 0.1217 0.00052 5.818 0.108 0.347 0.0063 1981 ± 15 1949 ± 32 1921 ± 60 3.04 0.97 DF06-41_25 0.0605 0.00028 0.772 0.015 0.093 0.0017 620 ± 20 581 ± 17 571 ± 20 7.78 0.97 DF06-41_26 R 0.0732 0.00052 1.285 0.036 0.127 0.0035 1020 ± 29 839 ± 32 773 ± 40 24.18 0.97 DF06-41_27 0.0741 0.00031 1.760 0.033 0.172 0.0032 1045 ± 17 1031 ± 24 1025 ± 35 1.85 0.97 DF06-41_28 0.1214 0.00053 5.812 0.110 0.347 0.0064 1977 ± 16 1948 ± 33 1922 ± 61 2.77 0.97 DF06-41_29 0.0616 0.00037 0.825 0.016 0.097 0.0018 659 ± 26 611 ± 18 598 ± 21 9.25 0.95 DF06-41_30 0.1771 0.00072 11.165 0.211 0.457 0.0084 2626 ± 14 2537 ± 35 2430 ± 74 7.46 0.98 DF06-41_31 R 0.0752 0.00035 1.560 0.038 0.150 0.0036 1075 ± 19 954 ± 30 904 ± 41 15.87 0.98 DF06-41_32 R 0.0653 0.00041 0.911 0.017 0.101 0.0018 785 ± 26 658 ± 18 622 ± 21 20.76 0.94 DF06-41_33 0.0743 0.00032 1.760 0.033 0.172 0.0031 1051 ± 17 1031 ± 24 1022 ± 34 2.72 0.97 DF06-41_34 0.0616 0.00035 0.831 0.016 0.098 0.0018 661 ± 25 614 ± 18 602 ± 21 8.98 0.96 DF06-41_35 0.1315 0.00054 6.886 0.129 0.380 0.0069 2118 ± 14 2096 ± 33 2077 ± 65 1.91 0.98 DF06-41_36 0.0755 0.00038 1.771 0.032 0.170 0.0029 1082 ± 20 1035 ± 23 1014 ± 32 6.30 0.96 DF06-41_37 0.0591 0.00026 0.717 0.013 0.088 0.0016 570 ± 19 549 ± 16 544 ± 19 4.41 0.97 DF06-41_38 0.1622 0.00067 10.216 0.198 0.457 0.0087 2479 ± 14 2454 ± 36 2427 ± 76 2.07 0.98 DF06-41_39 R 0.0604 0.00035 0.701 0.013 0.084 0.0015 618 ± 25 539 ± 16 521 ± 18 15.65 0.95 DF06-41_40 0.1243 0.00052 6.171 0.117 0.360 0.0067 2019 ± 15 2000 ± 33 1984 ± 63 1.74 0.98 DF06-41_41 0.0630 0.00029 0.934 0.017 0.108 0.0019 709 ± 19 670 ± 18 659 ± 22 6.98 0.97 DF06-41_42 R 0.1259 0.00051 5.604 0.100 0.323 0.0056 2042 ± 14 1916 ± 30 1805 ± 54 11.63 0.97 DF06-41_43 R 0.1852 0.00077 10.250 0.222 0.401 0.0085 2700 ± 14 2457 ± 40 2178 ± 78 19.33 0.98 DF06-41_44 0.0632 0.00030 0.923 0.017 0.106 0.0019 717 ± 20 664 ± 18 649 ± 23 9.40 0.97 DF06-41_45 R 0.3195 0.00136 20.410 0.425 0.463 0.0094 3568 ± 13 3110 ± 40 2456 ± 83 31.16 0.98 DF06-41_46 0.0733 0.00031 1.666 0.031 0.165 0.0030 1021 ± 17 995 ± 24 985 ± 34 3.55 0.97 DF06-41_47 0.1273 0.00053 6.575 0.124 0.374 0.0069 2061 ± 15 2056 ± 33 2052 ± 64 0.43 0.98 DF06-41_48 0.1647 0.00067 10.666 0.205 0.470 0.0088 2504 ± 14 2494 ± 35 2485 ± 77 0.74 0.98 DF06-41_49 0.0626 0.00037 0.873 0.017 0.101 0.0018 694 ± 25 637 ± 18 622 ± 21 10.38 0.95 90

Table 4-16. Continued. DF06-41_50 0.1319 0.00054 6.982 0.136 0.384 0.0073 2123 ± 14 2109 ± 34 2097 ± 68 1.25 0.98 DF06-41_51 0.1467 0.00061 8.306 0.154 0.411 0.0074 2308 ± 14 2265 ± 33 2219 ± 68 3.85 0.97 DF06-41_52 0.2021 0.00083 15.173 0.300 0.545 0.0105 2843 ± 13 2826 ± 37 2805 ± 88 1.35 0.98 DF06-41_53 0.0690 0.00033 1.312 0.029 0.138 0.0029 897 ± 19 851 ± 25 834 ± 33 7.03 0.98 DF06-41_54 R 0.0722 0.00032 1.494 0.029 0.150 0.0029 991 ± 18 928 ± 24 902 ± 32 8.94 0.97 DF06-41_55 0.0748 0.00033 1.760 0.031 0.171 0.0029 1063 ± 18 1031 ± 23 1017 ± 32 4.29 0.97 DF06-41_56 0.0765 0.00032 1.995 0.039 0.189 0.0036 1109 ± 17 1114 ± 26 1117 ± 39-0.77 0.98 DF06-41_57 0.1321 0.00055 6.986 0.135 0.384 0.0072 2126 ± 15 2109 ± 34 2095 ± 67 1.43 0.98 DF06-41_58 0.1266 0.00052 6.649 0.131 0.381 0.0073 2051 ± 15 2066 ± 35 2082 ± 69-1.51 0.98 DF06-41_59 0.2753 0.00130 25.248 0.465 0.665 0.0118 3336 ± 15 3317 ± 36 3290 ± 91 1.38 0.97 DF06-41_60 0.0733 0.00034 1.652 0.031 0.163 0.0030 1023 ± 19 990 ± 24 977 ± 33 4.49 0.97 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U Table 4-17. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF06-46 from the Southern Foreland Zone, Kalahari Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent rho 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) Age (Ma) discord. factor DF06-46_1 R 0.4882 0.00451 22.234 0.430 0.330 0.0056 4206 ± 27 3194 ± 37 1841 ± 54 56.22 0.88 DF06-46_2 R 0.0771 0.00034 1.455 0.025 0.137 0.0023 1123 ± 17 912 ± 21 828 ± 26 26.25 0.97 DF06-46_3 R 0.5809 0.00590 38.084 1.084 0.475 0.0126 4461 ± 30 3722 ± 56 2510 ± 110 43.74 0.93 DF06-46_4 0.0747 0.00033 1.757 0.030 0.171 0.0028 1061 ± 18 1030 ± 22 1016 ± 31 4.25 0.97 DF06-46_5 R 0.0758 0.00038 1.636 0.028 0.157 0.0026 1089 ± 20 984 ± 22 939 ± 29 13.75 0.96 DF06-46_6 0.0750 0.00033 1.712 0.031 0.166 0.0029 1067 ± 17 1013 ± 23 989 ± 32 7.29 0.97 DF06-46_7 R 0.0754 0.00034 1.642 0.030 0.158 0.0028 1078 ± 18 987 ± 23 947 ± 31 12.12 0.97 DF06-46_8 R 0.0738 0.00065 0.864 0.018 0.085 0.0016 1035 ± 36 632 ± 20 526 ± 19 49.17 0.91 DF06-46_9 0.0739 0.00035 1.593 0.028 0.156 0.0026 1038 ± 19 967 ± 21 937 ± 29 9.64 0.96 DF06-46_10 R 0.0751 0.00171 1.115 0.032 0.108 0.0019 1070 ± 92 761 ± 30 660 ± 22 38.30 0.60 DF06-46_11 0.0731 0.00037 1.173 0.035 0.116 0.0035 1016 ± 21 788 ± 33 711 ± 40 30.05 0.99 91

Table 4-17. Continued. DF06-46_12 R 0.0764 0.00031 1.802 0.039 0.171 0.0037 1106 ± 16 1046 ± 28 1019 ± 40 7.84 0.98 DF06-46_13 R 0.0713 0.00031 1.353 0.022 0.138 0.0022 965 ± 18 869 ± 19 832 ± 25 13.75 0.96 DF06-46_14 R 0.0823 0.00096 1.896 0.045 0.167 0.0034 1253 ± 46 1079 ± 31 997 ± 38 20.46 0.87 DF06-46_15 0.0736 0.00032 1.680 0.031 0.165 0.0030 1031 ± 18 1001 ± 24 988 ± 33 4.19 0.97 DF06-46_16 R 0.0758 0.00041 1.788 0.033 0.171 0.0030 1090 ± 22 1041 ± 24 1018 ± 33 6.57 0.96 DF06-46_17 R 0.0747 0.00032 1.277 0.036 0.124 0.0034 1062 ± 17 836 ± 31 754 ± 39 28.98 0.99 DF06-46_18 R 0.0768 0.00032 1.850 0.040 0.175 0.0037 1115 ± 17 1063 ± 28 1039 ± 41 6.78 0.98 DF06-46_19 R 0.0758 0.00045 1.226 0.027 0.117 0.0025 1090 ± 24 813 ± 25 716 ± 29 34.29 0.96 DF06-46_20 0.0741 0.00034 1.642 0.027 0.161 0.0025 1044 ± 18 986 ± 21 962 ± 28 7.82 0.96 DF06-46_21 0.0729 0.00030 1.355 0.035 0.135 0.0034 1012 ± 17 870 ± 30 816 ± 39 19.34 0.99 DF06-46_22 0.0600 0.00026 0.786 0.014 0.095 0.0017 604 ± 19 589 ± 16 585 ± 20 3.01 0.97 DF06-46_23 R 0.0617 0.00047 0.638 0.013 0.075 0.0014 665 ± 32 501 ± 16 467 ± 17 29.78 0.93 DF06-46_24 0.0732 0.00031 1.284 0.022 0.127 0.0021 1018 ± 17 838 ± 19 773 ± 24 24.08 0.97 DF06-46_25 0.0732 0.00032 1.357 0.026 0.134 0.0026 1020 ± 18 870 ± 23 814 ± 29 20.18 0.97 DF06-46_26 0.0733 0.00032 1.564 0.031 0.155 0.0030 1023 ± 18 956 ± 24 928 ± 33 9.25 0.97 DF06-46_27 0.0741 0.00032 1.642 0.030 0.161 0.0028 1044 ± 17 986 ± 23 962 ± 31 7.84 0.97 DF06-46_28 0.0609 0.00027 0.823 0.014 0.098 0.0017 636 ± 19 610 ± 16 603 ± 19 5.18 0.97 DF06-46_29 0.0612 0.00033 0.809 0.015 0.096 0.0017 647 ± 23 602 ± 17 591 ± 20 8.73 0.96 DF06-46_30 R 0.0774 0.00065 1.679 0.038 0.157 0.0033 1132 ± 34 1000 ± 29 942 ± 37 16.75 0.93 DF06-46_31 R 0.0712 0.00039 1.356 0.027 0.138 0.0027 964 ± 23 870 ± 23 835 ± 30 13.38 0.96 DF06-46_32 R 0.0799 0.00054 1.914 0.053 0.174 0.0047 1195 ± 26 1086 ± 37 1033 ± 51 13.54 0.97 DF06-46_33 0.0618 0.00031 0.814 0.014 0.096 0.0016 666 ± 21 605 ± 16 589 ± 19 11.51 0.96 DF06-46_34 R 0.0607 0.00027 0.655 0.012 0.078 0.0014 628 ± 19 511 ± 14 486 ± 16 22.55 0.97 DF06-46_35 R 0.0751 0.00045 1.637 0.032 0.158 0.0029 1070 ± 24 984 ± 24 947 ± 32 11.41 0.95 DF06-46_36 R 0.0677 0.00108 0.711 0.024 0.076 0.0023 859 ± 66 545 ± 28 474 ± 27 44.84 0.88 DF06-46_37 R 0.0767 0.00038 1.604 0.043 0.152 0.0040 1112 ± 20 972 ± 33 912 ± 44 18.01 0.98 DF06-46_38 0.0736 0.00035 1.446 0.034 0.143 0.0033 1030 ± 19 908 ± 28 860 ± 37 16.47 0.98 92

Table 4-17. Continued. DF06-46_39 R 0.0680 0.00042 1.063 0.018 0.113 0.0018 867 ± 25 735 ± 17 693 ± 20 20.06 0.93 DF06-46_40 R 0.0734 0.00035 1.098 0.044 0.109 0.0043 1025 ± 19 752 ± 42 665 ± 50 35.12 0.99 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U Table 4-18. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF06-45 from the Southern Foreland Zone, Kalahari Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent rho 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) Age (Ma) discord. factor DF06-45_01 0.0603 0.00048 0.739 0.013 0.089 0.0014 613 ± 34 562 ± 15 550 ± 17 10.24 0.89 DF06-45_02 0.0589 0.00023 0.728 0.012 0.090 0.0014 563 ± 17 555 ± 14 554 ± 17 1.53 0.97 DF06-45_03 0.0586 0.00034 0.707 0.012 0.087 0.0014 553 ± 25 543 ± 14 541 ± 16 2.12 0.94 DF06-45_04 0.0681 0.00230 0.802 0.030 0.085 0.0013 871 ± 140 598 ± 33 529 ± 15 39.23 0.40 DF06-45_05 0.0587 0.00027 0.715 0.011 0.088 0.0013 557 ± 20 548 ± 13 546 ± 15 1.98 0.96 DF06-45_06 R 0.1261 0.00048 6.331 0.094 0.364 0.0053 2044 ± 14 2023 ± 26 2004 ± 50 1.93 0.97 DF06-45_07 0.0592 0.00035 0.734 0.011 0.090 0.0013 576 ± 26 559 ± 13 555 ± 15 3.48 0.92 DF06-45_08 0.0706 0.00129 0.973 0.022 0.100 0.0014 947 ± 74 690 ± 23 614 ± 16 35.16 0.60 DF06-45_09 0.0748 0.00037 1.783 0.029 0.173 0.0027 1064 ± 20 1039 ± 21 1028 ± 30 3.34 0.95 DF06-45_10 0.0595 0.00044 0.735 0.012 0.090 0.0013 585 ± 32 559 ± 14 554 ± 15 5.29 0.89 DF06-45_11 0.0609 0.00088 0.741 0.015 0.088 0.0013 635 ± 62 563 ± 18 546 ± 16 14.08 0.73 DF06-45_12 0.0588 0.00027 0.705 0.011 0.087 0.0013 559 ± 20 542 ± 13 538 ± 15 3.64 0.95 DF06-45_13 0.0685 0.00028 1.377 0.022 0.146 0.0022 883 ± 17 879 ± 19 879 ± 25 0.45 0.97 DF06-45_14 R 0.0827 0.00131 0.960 0.053 0.084 0.0045 1262± 62 683 ± 54 522 ± 53 58.65 0.96 DF06-45_15 0.0587 0.00030 0.692 0.011 0.085 0.0013 556 ± 22 534 ± 13 529 ± 15 4.74 0.95 DF06-45_16 0.0597 0.00034 0.720 0.013 0.087 0.0015 592 ± 25 550 ± 16 541 ± 18 8.62 0.95 DF06-45_17 0.0601 0.00030 0.723 0.011 0.087 0.0013 607 ± 21 552 ± 13 540 ± 16 11.10 0.95 DF06-45_18 0.0690 0.00276 0.822 0.035 0.086 0.0013 898 ± 165 609 ± 39 535 ± 16 40.47 0.36 DF06-45_19 0.0592 0.00054 0.711 0.012 0.087 0.0012 573 ± 39 545 ± 14 539 ± 15 5.93 0.84 DF06-45_20 R 0.1002 0.00243 1.158 0.067 0.084 0.0044 1628 ± 90 781 ± 62 519 ± 53 68.12 0.91 DF06-45_21 0.0603 0.00028 0.750 0.015 0.090 0.0018 614 ± 20 568 ± 17 558 ± 21 9.10 0.97 93

Table 4-18. Continued. DF06-45_22 0.0748 0.00119 1.371 0.043 0.133 0.0036 1063 ± 64 876 ± 36 805 ± 40 24.27 0.86 DF06-45_23 0.0590 0.00029 0.690 0.014 0.085 0.0016 568 ± 21 533 ± 16 525 ± 19 7.52 0.97 DF06-45_24 0.0589 0.00028 0.699 0.014 0.086 0.0017 563 ± 21 538 ± 17 533 ± 20 5.23 0.97 DF06-45_25 0.0606 0.00032 0.724 0.015 0.087 0.0017 627 ± 23 553 ± 17 535 ± 20 14.53 0.97 DF06-45_26 R 0.1214 0.00254 4.185 0.244 0.250 0.0136 1978 ± 74 1671 ± 93 1439 ± 140 27.22 0.93 DF06-45_27 0.0592 0.00028 0.704 0.014 0.086 0.0017 573 ± 21 541 ± 17 534 ± 20 6.83 0.97 DF06-45_28 0.0734 0.00234 0.904 0.034 0.089 0.0018 1025 ± 129 654 ± 36 552 ± 21 46.16 0.53 DF06-45_29 R 0.0608 0.00034 0.702 0.014 0.084 0.0016 631 ± 24 540 ± 17 519 ± 19 17.68 0.96 DF06-45_30 R 0.0658 0.00038 0.742 0.015 0.082 0.0016 800 ± 24 564 ± 17 507 ± 19 36.60 0.96 DF06-45_31 0.0634 0.00040 0.926 0.020 0.106 0.0022 723 ± 27 665 ± 21 649 ± 26 10.22 0.96 DF06-45_32 R 0.0867 0.00369 1.023 0.071 0.086 0.0047 1355 ± 164 715 ± 70 530 ± 56 60.89 0.79 DF06-45_33 0.0744 0.00034 1.894 0.040 0.185 0.0038 1053 ± 18 1079 ± 28 1093 ± 42-3.83 0.98 DF06-45_34 R 0.0809 0.00477 0.994 0.062 0.089 0.0018 1219 ± 232 700 ± 62 550 ± 21 54.85 0.32 DF06-45_35 R 0.0752 0.00616 0.898 0.077 0.087 0.0022 1075 ± 328 650 ± 81 535 ± 26 50.20 0.29 DF06-45_36 0.0625 0.00030 0.922 0.019 0.107 0.0021 690 ± 21 663 ± 20 656 ± 25 4.89 0.97 DF06-45_37 0.0592 0.00028 0.711 0.016 0.087 0.0019 573 ± 21 545 ± 18 539 ± 22 5.94 0.98 DF06-45_38 0.0595 0.00033 0.707 0.015 0.086 0.0018 585 ± 24 543 ± 18 534 ± 21 8.71 0.97 DF06-45_39 R 0.0628 0.00033 0.765 0.016 0.088 0.0018 700 ± 22 577 ± 18 547 ± 21 21.89 0.97 DF06-45_40 0.0587 0.00027 0.726 0.015 0.090 0.0018 554 ± 20 554 ± 18 555 ± 22-0.11 0.98 DF06-45_41 0.0599 0.00036 0.710 0.014 0.086 0.0017 601 ± 26 544 ± 17 532 ± 20 11.47 0.95 DF06-45_42 0.0592 0.00029 0.712 0.015 0.087 0.0017 575 ± 21 546 ± 17 540 ± 20 6.17 0.97 DF06-45_43 0.0595 0.00034 0.706 0.014 0.086 0.0017 584 ± 25 542 ± 17 533 ± 20 8.69 0.96 DF06-45_44 0.0618 0.00028 0.920 0.019 0.108 0.0022 666 ± 20 663 ± 20 662 ± 26 0.59 0.98 DF06-45_45 0.0605 0.00033 0.757 0.016 0.091 0.0018 622 ± 24 572 ± 18 561 ± 22 9.81 0.97 DF06-45_46 0.0600 0.00030 0.740 0.017 0.090 0.0020 603 ± 21 563 ± 19 553 ± 23 8.28 0.98 DF06-45_47 0.0722 0.00033 1.595 0.035 0.160 0.0034 991 ± 19 968 ± 27 959 ± 38 3.13 0.98 DF06-45_48 0.0721 0.00081 0.872 0.020 0.088 0.0017 987 ± 46 637 ± 21 543 ± 20 44.98 0.87 DF06-45_49 R 0.0645 0.00120 0.802 0.023 0.090 0.0020 757 ± 78 598 ± 26 557 ± 24 26.39 0.77 94

Table 4-18. Continued. DF06-45_50 0.0599 0.00033 0.728 0.015 0.088 0.0017 598 ± 24 555 ± 17 545 ± 20 8.80 0.96 DF06-45_51 0.0593 0.00028 0.750 0.016 0.092 0.0019 580 ± 20 568 ± 18 566 ± 22 2.36 0.98 DF06-45_52 0.1298 0.00058 6.914 0.144 0.386 0.0079 2095 ± 16 2100 ± 37 2107 ± 73-0.58 0.98 DF06-45_53 R 0.0729 0.00651 0.872 0.081 0.087 0.0022 1010 ± 362 637 ± 86 537 ± 26 46.81 0.27 DF06-45_54 0.0611 0.00036 0.781 0.018 0.093 0.0020 643 ± 25 586 ± 20 572 ± 24 11.11 0.97 DF06-45_55 R 0.0790 0.00078 1.731 0.042 0.159 0.0036 1173 ± 39 1020 ± 31 951 ± 40 18.88 0.92 DF06-45_56 R 0.0617 0.00032 0.641 0.014 0.075 0.0016 665 ± 23 503 ± 17 468 ± 19 29.60 0.97 DF06-45_57 0.0616 0.00029 0.893 0.019 0.105 0.0022 659 ± 20 648 ± 21 645 ± 26 2.02 0.98 DF06-45_58 0.0592 0.00029 0.716 0.015 0.088 0.0017 576 ± 21 548 ± 17 542 ± 21 5.76 0.97 DF06-45_59 0.1397 0.00064 7.801 0.180 0.405 0.0092 2223 ± 16 2208 ± 41 2194 ± 84 1.29 0.98 DF06-45_60 R 0.0803 0.00289 0.960 0.061 0.087 0.0046 1204 ± 142 683 ± 62 536 ± 54 55.46 0.83 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U Table 4-19. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF06-44 from the Southern Foreland Zone, Kalahari Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent rho 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) Age (Ma) discord. factor DF06-44_01 0.0640 0.00040 0.821 0.015 0.093 0.0016 741 ± 26 609 ± 16 574 ± 19 22.43 0.94 DF06-44_02 R 0.1785 0.00086 10.499 0.216 0.426 0.0085 2639 ± 16 2479 ± 38 2292 ± 77 13.16 0.97 DF06-44_03 R 0.1763 0.00067 11.416 0.219 0.470 0.0088 2619 ± 13 2557 ± 35 2484 ± 77 5.15 0.98 DF06-44_04 R 0.0691 0.00033 0.960 0.016 0.101 0.0016 901 ± 19 683 ± 17 619 ± 19 31.22 0.96 DF06-44_05 0.0732 0.00030 1.686 0.028 0.167 0.0027 1020 ± 16 1003 ± 21 997 ± 30 2.23 0.97 DF06-44_06 R 0.0593 0.00026 0.687 0.013 0.084 0.0016 580 ± 19 531 ± 16 520 ± 19 10.21 0.97 DF06-44_07 0.0762 0.00037 1.762 0.033 0.168 0.0030 1100 ± 19 1032 ± 24 1001 ± 34 9.03 0.97 DF06-44_08 0.0741 0.00028 1.764 0.030 0.173 0.0029 1044 ± 15 1032 ± 22 1028 ± 32 1.52 0.97 DF06-44_09 R 0.0591 0.00040 0.681 0.012 0.084 0.0014 572 ± 30 527 ± 14 518 ± 16 9.49 0.92 DF06-44_10 0.0619 0.00032 0.860 0.015 0.101 0.0017 672 ± 22 630 ± 16 619 ± 20 7.94 0.95 DF06-44_11 0.0613 0.00025 0.862 0.015 0.102 0.0017 648 ± 18 631 ± 16 627 ± 19 3.21 0.97 DF06-44_12 0.0647 0.00032 0.902 0.015 0.101 0.0017 766 ± 21 653 ± 16 621 ± 19 18.84 0.96 95

Table 4-19. Continued. DF06-44_13 0.1182 0.00044 5.668 0.099 0.348 0.0059 1929 ± 13 1926 ± 30 1925 ± 57 0.19 0.98 DF06-44_14 0.0762 0.00032 1.874 0.033 0.178 0.0030 1100 ± 17 1072 ± 23 1059 ± 33 3.66 0.97 DF06-44_15 0.0624 0.00038 0.868 0.017 0.101 0.0019 689 ± 26 634 ± 18 620 ± 22 10.05 0.95 DF06-44_16 0.0928 0.00042 2.927 0.055 0.229 0.0042 1484 ± 17 1389 ± 28 1329 ± 44 10.45 0.97 DF06-44_17 0.0759 0.00029 1.900 0.034 0.182 0.0031 1092 ± 15 1081 ± 23 1077 ± 34 1.36 0.98 DF06-44_18 R 0.0800 0.00031 1.958 0.033 0.177 0.0029 1198 ± 15 1101 ± 22 1054 ± 32 12.02 0.97 DF06-44_19 0.0744 0.00036 1.623 0.029 0.158 0.0028 1051 ± 20 979 ± 23 948 ± 31 9.81 0.96 DF06-44_20 0.0710 0.00027 1.560 0.027 0.159 0.0027 959 ± 15 954 ± 21 953 ± 30 0.55 0.98 DF06-44_21 R 0.0609 0.00052 0.722 0.015 0.086 0.0016 636 ± 36 552 ± 17 532 ± 19 16.24 0.91 DF06-44_22 0.0730 0.00035 1.547 0.026 0.154 0.0024 1013 ± 19 949 ± 20 923 ± 27 8.87 0.96 DF06-44_23 0.0752 0.00036 1.762 0.034 0.170 0.0032 1075 ± 19 1031 ± 25 1012 ± 35 5.79 0.97 DF06-44_24 R 0.0696 0.00032 1.352 0.025 0.141 0.0025 916 ± 19 868 ± 21 850 ± 28 7.10 0.97 DF06-44_25 0.0645 0.00028 1.064 0.019 0.120 0.0021 758 ± 18 736 ± 18 729 ± 24 3.76 0.97 DF06-44_26 0.0751 0.00032 1.777 0.038 0.172 0.0036 1072 ± 17 1037 ± 27 1021 ± 39 4.69 0.98 DF06-44_27 R 0.0726 0.00197 1.157 0.038 0.116 0.0022 1002 ± 110 780 ± 36 706 ± 26 29.53 0.58 DF06-44_28 0.0604 0.00027 0.824 0.015 0.099 0.0017 618 ± 19 610 ± 16 609 ± 20 1.40 0.97 DF06-44_29 0.0753 0.00042 1.817 0.033 0.175 0.0031 1076 ± 23 1051 ± 24 1041 ± 34 3.24 0.95 DF06-44_30 0.0719 0.00030 1.578 0.027 0.159 0.0027 982 ± 17 961 ± 22 954 ± 30 2.84 0.97 DF06-44_31 0.0721 0.00028 1.623 0.030 0.163 0.0029 990 ± 16 979 ± 23 975 ± 32 1.43 0.98 DF06-44_32 0.0758 0.00029 1.901 0.035 0.182 0.0033 1089 ± 15 1081 ± 25 1079 ± 36 0.91 0.98 DF06-44_33 R 0.0890 0.00220 1.822 0.063 0.148 0.0035 1405 ± 95 1053 ± 45 893 ± 40 36.43 0.69 DF06-44_34 0.0586 0.00025 0.690 0.012 0.085 0.0015 552 ± 19 533 ± 15 529 ± 17 4.19 0.97 DF06-44_35 R 0.1787 0.00069 12.301 0.249 0.499 0.0099 2641 ± 13 2627 ± 38 2613 ± 85 1.04 0.98 DF06-44_36 R 0.0663 0.00128 0.634 0.026 0.069 0.0026 816 ± 81 499 ± 33 433 ± 31 46.94 0.88 DF06-44_37 R 0.0816 0.00437 1.059 0.060 0.094 0.0017 1235 ± 210 733 ± 58 581 ± 21 52.96 0.33 DF06-44_38 0.0587 0.00023 0.722 0.013 0.089 0.0015 554 ± 17 552 ± 15 552 ± 18 0.37 0.97 DF06-44_39 0.0599 0.00025 0.737 0.015 0.089 0.0018 598 ± 18 561 ± 18 552 ± 21 7.73 0.98 DF06-44_40 R 0.0783 0.00040 1.941 0.039 0.180 0.0035 1155 ± 20 1095 ± 26 1066 ± 38 7.70 0.97 96

Table 4-19. Continued. DF06-44_41 R 0.0766 0.00042 1.414 0.026 0.134 0.0023 1111 ± 22 895 ± 22 810 ± 26 27.05 0.95 DF06-44_42 0.0695 0.00031 1.113 0.020 0.116 0.0021 912 ± 18 759 ± 19 709 ± 24 22.24 0.97 DF06-44_43 R 0.0696 0.00049 0.976 0.016 0.102 0.0016 916 ± 29 692 ± 17 625 ± 18 31.71 0.91 DF06-44_44 R 0.0607 0.00025 0.712 0.012 0.085 0.0014 628 ± 18 546 ± 14 527 ± 16 16.02 0.97 DF06-44_45 0.0745 0.00029 1.802 0.030 0.176 0.0028 1054 ± 16 1046 ± 22 1043 ± 31 1.02 0.97 DF06-44_46 0.0744 0.00029 1.762 0.031 0.172 0.0029 1052 ± 16 1031 ± 23 1023 ± 32 2.74 0.98 DF06-44_47 0.0651 0.00027 1.088 0.017 0.121 0.0019 776 ± 17 748 ± 17 739 ± 22 4.79 0.97 DF06-44_48 0.0648 0.00092 0.899 0.020 0.101 0.0017 767 ± 60 651 ± 21 619 ± 20 19.24 0.76 DF06-44_49 R 0.1084 0.00045 4.664 0.084 0.312 0.0055 1773 ± 15 1761 ± 30 1752 ± 54 1.13 0.97 DF06-44_50 0.0586 0.00027 0.699 0.013 0.086 0.0016 552 ± 20 538 ± 15 535 ± 18 2.96 0.97 DF06-44_51 0.0632 0.00036 0.950 0.017 0.109 0.0018 716 ± 24 678 ± 17 667 ± 21 6.71 0.94 DF06-44_52 0.0611 0.00026 0.840 0.016 0.100 0.0018 644 ± 18 619 ± 17 613 ± 21 4.86 0.97 DF06-44_53 0.0752 0.00033 1.807 0.029 0.174 0.0027 1074 ± 18 1048 ± 21 1036 ± 30 3.52 0.96 DF06-44_54 0.0746 0.00043 1.714 0.032 0.167 0.0030 1058 ± 23 1014 ± 24 994 ± 33 6.04 0.95 DF06-44_55 R 0.0790 0.00075 1.942 0.038 0.178 0.0030 1172 ± 38 1096 ± 26 1059 ± 33 9.68 0.87 DF06-44_56 0.0616 0.00024 0.920 0.016 0.108 0.0019 661 ± 17 662 ± 17 663 ± 22-0.31 0.97 DF06-44_57 0.0737 0.00029 1.730 0.032 0.170 0.0031 1035 ± 16 1019 ± 24 1013 ± 34 2.04 0.98 DF06-44_58 0.0659 0.00027 0.939 0.015 0.103 0.0016 803 ± 17 672 ± 16 635 ± 19 20.93 0.97 DF06-44_59 0.0737 0.00036 1.745 0.031 0.172 0.0029 1033 ± 20 1025 ± 23 1023 ± 32 0.97 0.96 DF06-44_60 R 0.0780 0.00074 1.768 0.037 0.164 0.0031 1147 ± 38 1034 ± 27 982 ± 34 14.33 0.89 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U 97

Table 4-20. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF06-43 from the Southern Foreland Zone, Kalahari Craton. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb/ 238 U percent rho 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) Age (Ma) discord. factor DF06-43_01 0.0702 0.00040 1.350 0.025 0.140 0.0025 933 ± 23 868 ± 21 843 ± 28 9.58 0.95 DF06-43_02 R 0.2443 0.02635 7.566 0.895 0.225 0.0109 3148 ± 342 2181 ± 202 1307 ± 115 58.47 0.41 DF06-43_03 R 0.2925 0.03665 5.218 0.800 0.129 0.0114 3431 ± 389 1855 ± 246 785 ± 130 77.12 0.58 DF06-43_04 R 0.0773 0.00079 1.777 0.035 0.167 0.0028 1129 ± 41 1037 ± 26 995 ± 31 11.87 0.86 DF06-43_05 0.0715 0.00044 1.382 0.026 0.140 0.0025 971 ± 25 881 ± 22 847 ± 28 12.76 0.94 DF06-43_06 R 0.0802 0.00117 1.575 0.037 0.142 0.0027 1201 ± 57 960 ± 29 859 ± 30 28.44 0.79 DF06-43_07 R 0.0917 0.00121 1.604 0.033 0.127 0.0020 1462 ± 50 972 ± 25 770 ± 23 47.29 0.76 DF06-43_08 0.1185 0.00058 5.649 0.105 0.346 0.0062 1933 ± 18 1923 ± 32 1916 ± 60 0.87 0.96 DF06-43_09 0.0690 0.00039 1.334 0.025 0.140 0.0025 900 ± 23 861 ± 22 846 ± 28 5.90 0.96 DF06-43_10 0.0602 0.00039 0.822 0.015 0.099 0.0017 611 ± 28 609 ± 17 609 ± 20 0.17 0.94 DF06-43_11 0.0669 0.00037 0.892 0.016 0.097 0.0017 833 ± 23 647 ± 18 596 ± 20 28.49 0.95 DF06-43_12 R 0.1142 0.00327 2.158 0.085 0.137 0.0037 1867 ± 103 1167 ± 54 829 ± 42 55.60 0.69 DF06-43_13 R 0.0790 0.00117 1.794 0.040 0.165 0.0028 1172 ± 59 1043 ± 29 984 ± 30 16.03 0.75 DF06-43_14 0.0760 0.00039 1.931 0.036 0.184 0.0033 1094 ± 21 1092 ± 25 1092 ± 36 0.20 0.96 DF06-43_15 0.0698 0.00053 1.027 0.028 0.107 0.0028 924 ± 31 717 ± 28 654 ± 32 29.20 0.96 DF06-43_16 R 0.1174 0.00174 1.774 0.042 0.110 0.0021 1917 ± 53 1036 ± 31 671 ± 24 64.98 0.79 DF06-43_17 0.0749 0.00039 1.804 0.033 0.175 0.0031 1065 ± 21 1047 ± 24 1039 ± 34 2.38 0.96 DF06-43_18 0.0772 0.00040 1.984 0.041 0.186 0.0037 1125 ± 21 1110 ± 28 1103 ± 41 1.94 0.97 DF06-43_19 0.0746 0.00039 1.770 0.034 0.172 0.0031 1058 ± 21 1034 ± 24 1024 ± 34 3.16 0.96 DF06-43_20 0.0623 0.00035 0.870 0.016 0.101 0.0018 683 ± 24 635 ± 17 623 ± 21 8.75 0.95 DF06-43_21 R 0.1506 0.00806 3.117 0.181 0.150 0.0034 2352 ± 183 1437 ± 87 902 ± 38 61.63 0.39 DF06-43_22 0.0746 0.00041 1.785 0.034 0.174 0.0032 1058 ± 22 1040 ± 25 1033 ± 35 2.36 0.96 DF06-43_23 R 0.0837 0.00060 1.546 0.028 0.134 0.0022 1285 ± 28 949 ± 22 811 ± 25 36.86 0.92 DF06-43_24 0.0699 0.00044 1.332 0.028 0.138 0.0028 925 ± 26 860 ± 24 835 ± 32 9.64 0.95 DF06-43_25 R 0.0783 0.00045 1.911 0.035 0.177 0.0031 1154 ± 23 1085 ± 24 1052 ± 34 8.87 0.95 DF06-43_26 0.1146 0.00057 5.311 0.107 0.336 0.0066 1873 ± 18 1870 ± 34 1870 ± 63 0.18 0.97 98

Table 4-20. Continued. DF06-43_27 0.0732 0.00084 1.342 0.032 0.133 0.0028 1020 ± 47 864 ± 28 805 ± 32 21.00 0.88 DF06-43_28 0.0752 0.00067 1.580 0.031 0.152 0.0027 1073 ± 36 962 ± 25 915 ± 30 14.71 0.90 DF06-43_29 0.0685 0.00036 1.337 0.026 0.142 0.0026 884 ± 22 862 ± 22 854 ± 30 3.34 0.96 DF06-43_30 R 0.0673 0.00107 0.989 0.023 0.107 0.0018 847 ± 66 698 ± 24 654 ± 21 22.76 0.73 DF06-43_31 R 0.0751 0.00042 1.735 0.034 0.167 0.0032 1072 ± 23 1021 ± 25 999 ± 35 6.78 0.96 DF06-43_32 0.0608 0.00034 0.759 0.014 0.090 0.0016 633 ± 24 573 ± 16 559 ± 19 11.74 0.95 DF06-43_33 0.0764 0.00042 1.958 0.042 0.186 0.0038 1107 ± 22 1101 ± 28 1099 ± 42 0.63 0.97 DF06-43_34 0.0718 0.00064 1.400 0.026 0.141 0.0023 980 ± 36 889 ± 22 853 ± 26 12.94 0.88 DF06-43_35 R 0.0871 0.00179 1.929 0.052 0.161 0.0028 1363 ± 79 1091 ± 36 961 ± 31 29.50 0.65 DF06-43_36 0.0682 0.00036 1.338 0.024 0.142 0.0025 876 ± 22 862 ± 21 858 ± 28 2.08 0.96 DF06-43_37 R 0.0753 0.00155 0.981 0.026 0.095 0.0015 1076 ± 82 694 ± 26 583 ± 18 45.85 0.61 DF06-43_38 0.0744 0.00036 1.893 0.036 0.184 0.0034 1054 ± 20 1079 ± 25 1092 ± 37-3.66 0.97 DF06-43_39 R 0.1735 0.00218 2.843 0.065 0.119 0.0023 2592 ± 42 1367 ± 34 724 ± 26 72.05 0.84 DF06-43_40 0.0700 0.00051 1.338 0.027 0.139 0.0026 929 ± 30 862 ± 23 837 ± 30 9.87 0.93 DF06-43_41 0.0759 0.00038 1.896 0.035 0.181 0.0033 1093 ± 20 1079 ± 25 1074 ± 36 1.70 0.96 DF06-43_42 R 0.1825 0.00425 10.921 0.320 0.434 0.0077 2676 ± 77 2516 ± 54 2326 ± 69 13.08 0.61 DF06-43_43 R 0.0790 0.00060 1.907 0.034 0.175 0.0028 1171 ± 30 1083 ± 24 1041 ± 31 11.04 0.90 DF06-43_44 R 0.0743 0.00041 1.725 0.032 0.168 0.0030 1049 ± 22 1018 ± 24 1005 ± 33 4.18 0.95 DF06-43_45 R 0.0733 0.00038 1.601 0.028 0.158 0.0027 1021 ± 21 970 ± 22 949 ± 30 7.04 0.96 DF06-43_46 0.0783 0.00054 1.977 0.037 0.183 0.0032 1154 ± 27 1107 ± 25 1085 ± 35 5.92 0.93 DF06-43_47 R 0.0819 0.00052 1.763 0.038 0.156 0.0032 1242 ± 25 10312 ± 28 936 ± 36 24.60 0.96 DF06-43_48 0.0684 0.00175 0.925 0.029 0.098 0.0017 881 ± 106 665 ± 30 604 ± 20 31.49 0.56 DF06-43_49 0.0751 0.00037 1.791 0.031 0.173 0.0029 1071 ± 20 1042 ± 22 1029 ± 31 3.88 0.96 DF06-43_50 R 0.0807 0.00103 2.008 0.043 0.180 0.0031 1215 ± 50 1118 ± 29 1070 ± 34 11.92 0.80 DF06-43_51 0.0758 0.00041 1.852 0.032 0.177 0.0029 1091 ± 22 1064 ± 22 1052 ± 31 3.52 0.95 DF06-43_52 R 0.0742 0.00073 1.659 0.033 0.162 0.0028 1047 ± 40 993 ± 25 970 ± 31 7.35 0.87 DF06-43_53 0.0743 0.00037 1.807 0.032 0.176 0.0030 1049 ± 20 1048 ± 23 1049 ± 33-0.02 0.96 99

Table 4-20. Continued. DF06-43_54 0.0717 0.00054 1.150 0.020 0.116 0.0019 978 ± 31 777 ± 19 710 ± 21 27.39 0.91 DF06-43_55 R 0.0847 0.00090 2.060 0.041 0.176 0.0029 1309 ± 41 1135 ± 27 1048 ± 32 19.91 0.84 DF06-43_56 0.0752 0.00039 1.801 0.040 0.174 0.0038 1073 ± 21 1046 ± 29 1033 ± 42 3.70 0.97 DF06-43_57 0.0588 0.00032 0.721 0.012 0.089 0.0015 560 ± 24 551 ± 15 549 ± 17 1.88 0.95 DF06-43_58 0.0708 0.00055 1.338 0.026 0.137 0.0025 950 ± 32 862 ± 23 829 ± 28 12.70 0.92 DF06-43_59 0.0757 0.00039 1.866 0.032 0.179 0.0029 1086 ± 21 1069 ± 23 1062 ± 32 2.24 0.95 DF06-43_60 0.0762 0.00038 1.929 0.035 0.184 0.0032 1099 ± 20 1091 ± 24 1088 ± 34 1.00 0.96 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U Table 4-21. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF06-18 from the Kaoko Belt. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) 206 Pb/ 238 U Age (Ma) percent discord. rho factor DF06-18_1 R 0.1130 0.00032 5.278 0.093 0.339 0.0059 1849 ± 10 1865 ± 30 1882 ± 57-1.81 0.99 DF06-18_2 R 0.2695 0.00963 4.598 0.216 0.124 0.0038 3303 ± 112 1749 ± 77 753 ± 43 77.21 0.65 DF06-18_3 R 0.5244 0.00644 18.126 0.743 0.251 0.0098 4311 ± 36 2996 ± 77 1443 ± 101 66.52 0.95 DF06-18_4 R 0.3884 0.00262 9.748 0.235 0.182 0.0042 3865 ± 20 2411 ± 44 1079 ± 46 72.08 0.96 DF06-18_5 R 0.3743 0.01137 10.214 0.386 0.198 0.0044 3809 ± 92 2454 ± 69 1165 ± 48 69.42 0.59 DF06-18_6 R 0.4256 0.00549 10.576 0.283 0.180 0.0042 4002 ± 39 2486 ± 49 1069 ± 46 73.28 0.88 DF06-18_7 R 0.2662 0.00497 4.593 0.157 0.125 0.0036 3284 ± 59 1748 ± 56 761 ± 41 76.83 0.84 DF06-18_8 R 0.4258 0.00449 11.618 0.332 0.198 0.0053 4003 ± 31 2574 ± 53 1165 ± 56 70.90 0.93 DF06-18_9 R 0.0807 0.00044 1.703 0.040 0.153 0.0035 1214 ± 21 1010 ± 30 919 ± 39 24.26 0.97 DF06-18_10 R 0.6132 0.00272 29.065 0.726 0.344 0.0084 4540 ± 13 3455 ± 48 1906 ± 81 58.01 0.98 DF06-18_11 R 0.2079 0.00064 15.106 0.292 0.527 0.0101 2889 ± 10 2822 ± 36 2731 ± 85 5.44 0.99 DF06-18_12 R 0.1834 0.00301 2.960 0.082 0.117 0.0026 2684 ± 54 1397 ± 42 714 ± 30 73.40 0.80 DF06-18_13 0.1263 0.00040 6.421 0.121 0.369 0.0069 2048 ± 11 2035 ± 33 2025 ± 65 1.12 0.99 DF06-18_14 0.0811 0.00029 2.299 0.049 0.206 0.0043 1224 ± 14 1212 ± 30 1206 ± 46 1.45 0.99 DF06-18_15 R 0.4438 0.00741 12.041 0.361 0.197 0.0049 4065 ± 50 2607 ± 55 1159 ± 53 71.49 0.83 100

Table 4-21. Continued. DF06-18_16 R 0.1361 0.00120 4.629 0.115 0.247 0.0057 2178 ± 31 1754 ± 41 1423 ± 59 34.67 0.93 DF06-18_17 0.1157 0.00066 4.763 0.108 0.299 0.0066 1891 ± 21 1778 ± 38 1686 ± 65 10.84 0.97 DF06-18_18 R 0.5063 0.00327 11.864 0.367 0.170 0.0051 4260 ± 19 2593 ± 57 1013 ± 57 76.23 0.98 DF06-18_19 R 0.0796 0.00196 1.082 0.036 0.099 0.0023 1186 ± 97 744 ± 35 607 ± 26 48.83 0.68 DF06-18_20 R 0.3798 0.00626 8.911 0.280 0.170 0.0046 3831 ± 50 2329 ± 57 1014 ± 50 73.54 0.85 DF06-18_21 R 0.1219 0.00093 4.185 0.105 0.249 0.0059 1985 ± 27 1671 ± 41 1434 ± 61 27.75 0.95 DF06-18_22 0.0770 0.00029 1.797 0.032 0.169 0.0030 1121 ± 15 1044 ± 23 1009 ± 33 10.01 0.98 DF06-18_23 0.1269 0.00038 6.279 0.121 0.359 0.0068 2055 ± 10 2015 ± 34 1979 ± 65 3.68 0.99 DF06-18_24 0.1771 0.00050 11.923 0.208 0.488 0.0084 2626 ± 9 2598 ± 32 2566 ± 73 2.28 0.99 DF06-18_25 R 0.1242 0.00041 5.917 0.104 0.345 0.0060 2018 ± 12 1963 ± 30 1914 ± 57 5.11 0.98 DF06-18_26 R 0.1327 0.00277 5.227 0.168 0.286 0.0070 2134 ± 73 1857 ± 54 1621 ± 70 24.03 0.76 DF06-18_27 0.0745 0.00025 1.782 0.033 0.173 0.0032 1056 ± 14 1039 ± 24 1032 ± 35 2.29 0.98 DF06-18_28 R 0.1317 0.00061 5.715 0.151 0.315 0.0082 2121 ± 16 1933 ± 45 1765 ± 80 16.75 0.98 DF06-18_29 R 0.1223 0.00175 4.243 0.133 0.252 0.0071 1990 ± 51 1682 ± 51 1448 ± 73 27.25 0.89 DF06-18_30 0.0691 0.00055 1.275 0.027 0.134 0.0027 901 ± 33 834 ± 24 811 ± 30 9.98 0.93 DF06-18_31 R 0.1223 0.00040 5.553 0.126 0.329 0.0074 1990 ± 12 1909 ± 39 1837 ± 72 7.67 0.99 DF06-18_32 0.0752 0.00025 1.702 0.034 0.164 0.0032 1073 ± 14 1009 ± 25 981 ± 36 8.60 0.99 DF06-18_33 R 0.2760 0.00577 5.048 0.184 0.133 0.0040 3340 ± 65 1827 ± 61 804 ± 45 75.94 0.82 DF06-18_34 R 0.1333 0.00584 5.283 0.276 0.288 0.0082 2141 ± 153 1866 ± 87 1630 ± 82 23.85 0.55 DF06-18_35 R 0.1246 0.00119 4.673 0.135 0.272 0.0074 2023 ± 34 1762 ± 48 1552 ± 75 23.27 0.94 DF06-18_36 R 0.1294 0.00102 4.948 0.117 0.277 0.0062 2090 ± 28 1810 ± 40 1579 ± 62 24.42 0.94 DF06-18_37 R 0.1346 0.00153 5.442 0.138 0.293 0.0067 2159 ± 40 1891 ± 43 1659 ± 66 23.13 0.89 DF06-18_38 R 0.2422 0.00249 4.219 0.110 0.126 0.0030 3134 ± 33 1678 ± 42 768 ± 35 75.51 0.92 DF06-18_39 0.1265 0.00076 5.694 0.133 0.326 0.0074 2050 ± 21 1930 ± 40 1823 ± 71 11.10 0.97 DF06-18_40 0.1268 0.00039 6.143 0.125 0.351 0.0071 2054 ± 11 1996 ± 35 1942 ± 67 5.44 0.99 DF06-18_41 0.1135 0.00037 5.003 0.104 0.320 0.0066 1856 ± 12 1820 ± 35 1790 ± 64 3.57 0.99 DF06-18_42 R 0.0882 0.00044 1.894 0.037 0.156 0.0029 1388 ± 19 1079 ± 26 933 ± 33 32.73 0.97 101

Table 4-21. Continued. DF06-18_43 R 0.1192 0.00152 4.833 0.115 0.294 0.0059 1944 ± 46 1790 ± 40 1663 ± 59 14.45 0.85 DF06-18_44 R 0.1651 0.00088 6.565 0.151 0.288 0.0064 2509 ± 18 2054 ± 40 1634 ± 64 34.86 0.97 DF06-18_45 0.0734 0.00024 1.681 0.033 0.166 0.0032 1026 ± 13 1001 ± 25 991 ± 35 3.44 0.99 DF06-18_46 0.1264 0.00036 6.165 0.128 0.354 0.0073 2049 ± 10 1999 ± 36 1954 ± 69 4.64 0.99 DF06-18_47 R 0.0781 0.00104 1.690 0.044 0.157 0.0035 1149 ± 53 1005 ± 33 941 ± 39 18.07 0.86 DF06-18_48 R 0.1972 0.00147 5.278 0.153 0.194 0.0054 2803 ± 24 1865 ± 49 1145 ± 59 59.16 0.97 DF06-18_49 0.1148 0.00033 4.965 0.107 0.314 0.0067 1876 ± 10 1813 ± 36 1761 ± 65 6.15 0.99 DF06-18_50 R 0.1196 0.00141 5.436 0.121 0.330 0.0062 1950 ± 42 1890 ± 38 1839 ± 60 5.69 0.85 DF06-18_51 0.1269 0.00041 5.870 0.113 0.336 0.0064 2055 ± 11 1957 ± 33 1867 ± 61 9.13 0.99 DF06-18_52 0.1157 0.00041 4.651 0.087 0.292 0.0054 1890 ± 13 1758 ± 31 1651 ± 53 12.65 0.98 DF06-18_53 0.1161 0.00037 4.913 0.097 0.307 0.0060 1897 ± 11 1804 ± 33 1727 ± 59 8.98 0.99 DF06-18_54 0.1292 0.00038 6.517 0.137 0.366 0.0076 2087 ± 10 2048 ± 37 2011 ± 72 3.63 0.99 DF06-18_55 0.1265 0.00036 6.222 0.118 0.357 0.0067 2050 ± 10 2007 ± 33 1968 ± 64 3.97 0.99 DF06-18_56 0.1148 0.00036 4.997 0.100 0.316 0.0062 1877 ± 11 1819 ± 33 1770 ± 61 5.71 0.99 DF06-18_57 R 0.1239 0.00040 5.444 0.100 0.319 0.0058 2013 ± 11 1892 ± 31 1785 ± 57 11.34 0.98 DF06-18_58 0.0758 0.00025 1.871 0.037 0.179 0.0035 1091 ± 13 1071 ± 26 1062 ± 39 2.59 0.99 DF06-18_59 R 0.1440 0.00107 4.853 0.114 0.244 0.0055 2276 ± 25 1794 ± 39 1411 ± 57 38.03 0.95 DF06-18_60 R 0.1143 0.00036 4.638 0.093 0.294 0.0058 1869 ± 11 1756 ± 33 1664 ± 58 10.92 0.99 DF06-18_61 0.1133 0.00033 4.796 0.092 0.307 0.0058 1853 ± 11 1784 ± 32 1727 ± 57 6.75 0.99 DF06-18_62 R 0.1139 0.00036 4.601 0.099 0.293 0.0062 1863 ± 11 1749 ± 36 1657 ± 62 11.06 0.99 DF06-18_63 R 0.1031 0.00242 2.309 0.071 0.162 0.0032 1681 ± 87 1215 ± 43 971 ± 35 42.20 0.64 DF06-18_64 R 0.0850 0.00196 1.533 0.046 0.131 0.0025 1316 ± 89 944 ± 36 793 ± 28 39.71 0.63 DF06-18_65 0.1147 0.00033 5.089 0.096 0.322 0.0060 1876 ± 10 1834 ± 32 1799 ± 58 4.06 0.99 DF06-18_66 R 0.1271 0.00164 4.588 0.130 0.262 0.0066 2059 ± 45 1747 ± 47 1500 ± 68 27.14 0.89 DF06-18_67 0.1139 0.00037 4.809 0.107 0.306 0.0067 1863 ± 12 1786 ± 37 1723 ± 66 7.52 0.99 DF06-18_68 R 0.1490 0.00154 6.376 0.168 0.310 0.0075 2334 ± 35 2029 ± 46 1744 ± 74 25.27 0.92 DF06-18_69 0.1131 0.00038 4.930 0.108 0.316 0.0068 1850 ± 12 1807 ± 37 1772 ± 67 4.18 0.99 102

Table 4-21. Continued. DF06-18_70 R 0.1179 0.00039 5.293 0.105 0.326 0.0063 1924 ± 12 1868 ± 33 1819 ± 62 5.46 0.99 DF06-18_71 0.0771 0.00029 1.766 0.033 0.166 0.0031 1125 ± 15 1033 ± 24 991 ± 34 11.88 0.98 DF06-18_72 R 0.1435 0.00142 3.918 0.158 0.198 0.0077 2270 ± 34 1617 ± 64 1166 ± 83 48.65 0.97 DF06-18_73 0.0738 0.00028 1.718 0.037 0.169 0.0036 1035 ± 15 1015 ± 27 1007 ± 39 2.74 0.98 DF06-18_74 0.0806 0.00030 1.944 0.039 0.175 0.0034 1212 ± 15 1096 ± 26 1040 ± 37 14.16 0.98 DF06-18_75 0.1135 0.00036 5.037 0.096 0.322 0.0060 1856 ± 11 1825 ± 32 1801 ± 59 2.96 0.99 DF06-18_76 0.1133 0.00033 4.998 0.089 0.320 0.0056 1853 ± 10 1819 ± 30 1791 ± 55 3.37 0.99 DF06-18_77 0.1144 0.00033 5.132 0.100 0.325 0.0063 1871 ± 10 1841 ± 33 1817 ± 61 2.91 0.99 DF06-18_78 0.0799 0.00044 2.153 0.051 0.196 0.0045 1194 ± 22 1166 ± 32 1152 ± 48 3.46 0.97 DF06-18_79 R 0.1389 0.00164 4.676 0.124 0.244 0.0058 2214 ± 41 1763 ± 44 1409 ± 60 36.33 0.90 DF06-18_80 R 0.1391 0.00221 6.055 0.142 0.316 0.0054 2216 ± 55 1984 ± 40 1770 ± 53 20.12 0.73 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U Table 4-22. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF09-38 from the Kaoko Belt. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) 206 Pb/ 238 U Age (Ma) percent discord. DF09-38_1 0.1078 0.00044 3.763 0.071 0.253 0.0047 1763 ± 15 1585 ± 30 1456 ± 48 17.43 0.98 DF09-38_2 0.1119 0.00045 5.144 0.071 0.333 0.0044 1831 ± 14 1843 ± 23 1856 ± 43-1.35 0.96 DF09-38_3 0.1109 0.00046 4.291 0.036 0.280 0.0020 1815 ± 15 1691 ± 14 1595 ± 20 12.09 0.87 DF09-38_4 0.1136 0.00054 5.329 0.059 0.340 0.0034 1858 ± 17 1873 ± 19 1890 ± 33-1.73 0.90 DF09-38_5 R 0.1099 0.00131 3.516 0.086 0.232 0.0049 1798 ± 43 1531 ± 38 1346 ± 52 25.14 0.87 DF09-38_6 0.1141 0.00050 5.385 0.060 0.342 0.0035 1865 ± 16 1882 ± 19 1900 ± 34-1.86 0.92 DF09-38_7 0.1122 0.00048 5.153 0.062 0.333 0.0038 1836 ± 15 1845± 20 1854 ± 36-0.99 0.94 DF09-38_8 0.1140 0.00047 5.447 0.069 0.346 0.0041 1865 ± 15 1892 ± 22 1919 ± 40-2.92 0.95 DF09-38_9 0.1130 0.00052 5.201 0.076 0.334 0.0047 1849 ± 17 1853 ± 25 1858 ± 45-0.50 0.95 DF09-38_10 0.1127 0.00047 5.223 0.067 0.336 0.0041 1844 ± 15 1856 ± 22 1869 ± 40-1.39 0.95 DF09-38_11 0.1128 0.00048 5.084 0.080 0.327 0.0050 1845 ± 15 1833 ± 27 1824 ± 48 1.12 0.96 DF09-38_12 0.1138 0.00047 5.365 0.073 0.342 0.0045 1861 ± 15 1879 ± 23 1897 ± 43-1.93 0.95 rho factor 103

Table 4-22. Continued. DF09-38_13 R 0.1109 0.00047 5.266 0.073 0.344 0.0046 1815 ± 15 1863 ± 24 1909 ± 44-5.20 0.95 DF09-38_14 0.1151 0.00067 5.171 0.070 0.326 0.0040 1881 ± 21 1848 ± 23 1820 ± 38 3.24 0.90 DF09-38_15 0.1092 0.00045 4.770 0.064 0.317 0.0040 1785 ± 15 1779 ± 22 1776 ± 40 0.51 0.95 DF09-38_16 0.1122 0.00045 5.217 0.065 0.337 0.0040 1836 ± 14 1855 ± 21 1875 ± 39-2.13 0.95 DF09-38_17 0.1143 0.00046 5.283 0.059 0.335 0.0035 1868 ± 15 1866 ± 19 1866 ± 33 0.13 0.93 DF09-38_18 0.1140 0.00053 5.264 0.064 0.335 0.0038 1864 ± 17 1863 ± 21 1863 ± 36 0.03 0.93 DF09-38_19 0.1139 0.00047 5.291 0.075 0.337 0.0046 1863 ± 15 1867 ± 24 1873 ± 44-0.55 0.96 DF09-38_20 R 0.1085 0.00059 4.221 0.068 0.282 0.0043 1775 ± 20 1678 ± 26 1603 ± 43 9.65 0.94 DF09-38_21 R 0.1123 0.00047 4.501 0.078 0.291 0.0049 1837 ± 15 1731 ± 29 1646 ± 49 10.35 0.97 DF09-38_22 0.1149 0.00047 5.273 0.065 0.333 0.0039 1878 ± 15 1864 ± 21 1854 ± 37 1.30 0.94 DF09-38_23 0.1140 0.00056 5.122 0.066 0.326 0.0039 1864 ± 18 1839 ± 22 1820 ± 37 2.38 0.92 DF09-38_24 0.1125 0.00047 5.101 0.062 0.329 0.0038 1840 ± 15 1836 ± 21 1834 ± 36 0.28 0.94 DF09-38_25 R 0.1160 0.00141 5.185 0.086 0.324 0.0037 1895 ± 44 1850 ± 28 1812 ± 36 4.39 0.68 DF09-38_26 R 0.1120 0.00161 1.872 0.035 0.121 0.0015 1833 ± 52 1071 ± 25 738 ± 17 59.72 0.64 DF09-38_27 0.1135 0.00051 5.099 0.066 0.326 0.0040 1856 ± 16 1836 ± 22 1819 ± 38 1.98 0.94 DF09-38_28 0.1115 0.00047 4.719 0.055 0.307 0.0034 1824 ± 15 1770 ± 20 1727 ± 33 5.27 0.93 DF09-38_29 0.1153 0.00050 5.450 0.071 0.343 0.0042 1885 ± 15 1893 ± 22 1902 ± 41-0.91 0.94 DF09-38_30 0.1147 0.00055 5.324 0.075 0.337 0.0044 1875 ± 17 1872 ± 24 1872 ± 43 0.16 0.94 DF09-38_31 R 0.1092 0.00060 4.550 0.070 0.302 0.0043 1787 ± 20 1740 ± 25 1703 ± 43 4.67 0.93 DF09-38_32 0.1134 0.00050 5.174 0.054 0.331 0.0032 1854 ± 16 1848 ± 18 1844 ± 31 0.52 0.91 DF09-38_33 0.1134 0.00047 5.030 0.067 0.322 0.0041 1855 ± 15 1824 ± 22 1799 ± 40 2.97 0.95 DF09-38_34 0.1107 0.00044 4.409 0.053 0.289 0.0033 1811 ± 14 1714 ± 20 1637 ± 33 9.57 0.95 DF09-38_35 0.1149 0.00050 5.097 0.050 0.322 0.0028 1879 ± 16 1835 ± 17 1799 ± 28 4.22 0.90 DF09-38_36 0.1144 0.00046 5.453 0.061 0.346 0.0036 1871 ± 15 1893 ± 19 1915 ± 35-2.39 0.93 DF09-38_37 0.0907 0.00105 3.082 0.078 0.246 0.0055 1440 ± 44 1428 ± 38 1421 ± 57 1.30 0.89 DF09-38_38 R 0.1026 0.00124 1.843 0.028 0.130 0.0012 1672 ± 45 1061 ± 20 790 ± 13 52.76 0.60 DF09-38_39 0.1131 0.00046 5.352 0.068 0.343 0.0041 1851 ± 15 1877 ± 22 1903 ± 40-2.83 0.95 DF09-38_40 0.1132 0.00048 5.088 0.059 0.326 0.0035 1852 ± 15 1834 ± 20 1820 ± 34 1.75 0.93 104

Table 4-22. Continued. DF09-38_41 0.1115 0.00051 4.672 0.053 0.304 0.0031 1825 ± 16 1762 ± 19 1712 ± 31 6.19 0.92 DF09-38_42 0.1114 0.00047 4.690 0.043 0.305 0.0025 1822 ± 15 1765 ± 15 1720 ± 25 5.62 0.89 DF09-38_43 0.1145 0.00049 5.423 0.079 0.344 0.0048 1872 ± 15 1888 ± 25 1905 ± 46-1.77 0.96 DF09-38_44 0.1134 0.00049 5.364 0.053 0.343 0.0030 1855 ± 16 1879 ± 17 1902 ± 29-2.56 0.90 DF09-38_45 R 0.1092 0.00150 3.396 0.109 0.226 0.0065 1786 ± 50 1503 ± 50 1312 ± 69 26.52 0.90 DF09-38_46 0.1136 0.00050 5.192 0.059 0.332 0.0035 1858 ± 16 1851 ± 19 1847 ± 33 0.55 0.92 DF09-38_47 0.1098 0.00064 4.128 0.054 0.273 0.0032 1797 ± 21 1660 ± 21 1555 ± 33 13.45 0.90 DF09-38_48 0.1134 0.00045 5.239 0.081 0.335 0.0050 1855 ± 14 1859 ± 26 1864 ± 48-0.48 0.97 DF09-38_49 R 0.1187 0.00147 5.516 0.095 0.337 0.0040 1936 ± 44 1903 ± 29 1874 ± 39 3.20 0.70 DF09-38_50 0.1150 0.00066 5.420 0.077 0.342 0.0045 1881 ± 21 1888 ± 24 1896 ± 43-0.84 0.92 DF09-38_51 0.1147 0.00047 5.521 0.068 0.349 0.0040 1875 ± 15 1904 ± 21 1932 ± 39-3.07 0.94 DF09-38_52 0.1160 0.00059 5.363 0.068 0.335 0.0039 1896 ± 18 1879 ± 22 1865 ± 37 1.59 0.92 DF09-38_53 0.1154 0.00051 5.427 0.085 0.341 0.0051 1887 ± 16 1889 ± 27 1893 ± 49-0.33 0.96 DF09-38_54 0.1141 0.00048 5.331 0.064 0.339 0.0038 1866 ± 15 1874 ± 20 1883 ± 36-0.93 0.94 DF09-38_55 0.1125 0.00058 4.817 0.097 0.311 0.0060 1839 ± 19 1788 ± 33 1745 ± 59 5.09 0.97 DF09-38_56 R 0.1114 0.00059 4.211 0.050 0.274 0.0029 1822 ± 19 1676 ± 19 1564 ± 30 14.15 0.90 DF09-38_57 0.1119 0.00052 5.119 0.074 0.332 0.0045 1830 ± 17 1839 ± 24 1849 ± 44-1.03 0.95 DF09-38_58 0.1144 0.00057 5.196 0.073 0.329 0.0043 1870 ± 18 1852 ± 24 1837 ± 42 1.76 0.93 DF09-38_59 0.1141 0.00048 5.274 0.070 0.335 0.0042 1866 ± 15 1864 ± 22 1865 ± 41 0.00 0.95 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U 105

Table 4-23. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF09-39 from the Kaoko Belt. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) 206 Pb/ 238 U Age (Ma) percent discord. DF09-39_1 R 0.1730 0.00162 9.856 0.196 0.413 0.0072 2587 ± 31 2421 ± 36 2232 ± 66 13.72 0.88 DF09-39_2 R 0.1677 0.00067 9.712 0.155 0.420 0.0065 2535 ± 13 2407 ± 29 2262 ± 59 10.74 0.97 DF09-39_3 0.1687 0.00067 9.491 0.153 0.408 0.0064 2545 ± 13 2386 ± 29 2208 ± 58 13.24 0.97 DF09-39_4 0.1703 0.00067 10.464 0.190 0.446 0.0079 2561 ± 13 2476 ± 33 2377 ± 70 7.15 0.98 DF09-39_5 R 0.1745 0.00163 8.112 0.206 0.337 0.0079 2602 ± 31 2243 ± 45 1874 ± 76 27.95 0.93 DF09-39_6 0.1723 0.00068 10.383 0.162 0.437 0.0066 2580 ± 13 2469 ± 29 2340 ± 59 9.29 0.97 DF09-39_7 0.1723 0.00069 10.635 0.184 0.448 0.0076 2580 ± 13 2491 ± 32 2387 ± 67 7.49 0.97 DF09-39_8 0.1723 0.00069 10.635 0.184 0.448 0.0076 2580 ± 13 2491 ± 32 2387 ± 67 7.49 0.97 DF09-39_9 R 0.1727 0.00166 5.767 0.156 0.242 0.0061 2584 ± 32 1941 ± 46 1399 ± 64 45.86 0.94 DF09-39_10 0.1723 0.00071 10.634 0.185 0.448 0.0076 2580 ± 14 2491 ± 32 2387 ± 67 7.46 0.97 DF09-39_11 R 0.1619 0.00068 7.871 0.223 0.353 0.0099 2476 ± 14 2216 ± 50 1949 ± 94 21.29 0.99 DF09-39_12 0.1711 0.00070 9.603 0.144 0.407 0.0059 2568 ± 14 2397 ± 27 2204 ± 54 14.19 0.96 DF09-39_13 0.1673 0.00069 8.867 0.143 0.384 0.0060 2531 ± 14 2324 ± 29 2099 ± 56 17.07 0.97 DF09-39_14 0.1742 0.00068 11.340 0.196 0.472 0.0080 2598 ± 13 2551 ± 32 2496 ± 70 3.93 0.97 DF09-39_15 R 0.1654 0.00066 9.187 0.171 0.403 0.0073 2511 ± 13 2356 ± 34 2184 ± 67 13.02 0.98 DF09-39_16 R 0.1643 0.00153 5.826 0.147 0.257 0.0060 2500 ± 31 1950 ± 43 1477 ± 62 40.93 0.93 DF09-39_17 0.1751 0.00069 11.731 0.180 0.486 0.0072 2607 ± 13 2583 ± 28 2555 ± 62 1.97 0.97 DF09-39_18 0.1726 0.00069 10.675 0.172 0.449 0.0070 2583 ± 13 2495 ± 30 2391 ± 62 7.41 0.97 DF09-39_19 R 0.1643 0.00156 7.281 0.135 0.321 0.0051 2501 ± 32 2146 ± 33 1798 ± 50 28.11 0.86 DF09-39_20 0.1696 0.00069 9.457 0.226 0.405 0.0095 2553 ± 14 2383 ± 43 2192 ± 87 14.16 0.99 DF09-39_21 R 0.1702 0.00159 9.589 0.203 0.409 0.0078 2560 ± 31 2396 ± 39 2210 ± 71 13.65 0.90 DF09-39_22 R 0.1628 0.00152 7.003 0.166 0.312 0.0068 2485 ± 31 2111 ± 42 1752 ± 67 29.49 0.92 DF09-39_23 R 0.1714 0.00072 9.054 0.275 0.383 0.0115 2571 ± 14 2343 ± 55 2093 ± 107 18.61 0.99 DF09-39_24 R 0.1713 0.00070 9.728 0.160 0.412 0.0066 2571 ± 14 2409 ± 30 2225 ± 60 13.43 0.97 DF09-39_25 R 0.1698 0.00068 10.777 0.165 0.460 0.0068 2556 ± 13 2504 ± 28 2443 ± 60 4.42 0.96 rho factor 106

Table 4-23. Continued. DF09-39_26 0.1740 0.00069 11.608 0.203 0.484 0.0082 2597 ± 13 2573 ± 32 2546 ± 71 1.96 0.97 DF09-39_27 0.1713 0.00067 10.327 0.168 0.437 0.0069 2570 ± 13 2464 ± 30 2340 ± 62 8.94 0.97 DF09-39_28 0.1732 0.00071 11.239 0.184 0.471 0.0075 2589 ± 14 2543 ± 30 2488 ± 65 3.88 0.97 DF09-39_29 R 0.1683 0.00067 10.148 0.156 0.437 0.0065 2541 ± 13 2448 ± 28 2340 ± 58 7.91 0.97 DF09-39_30 0.1724 0.00069 10.889 0.189 0.458 0.0077 2581 ± 13 2513 ± 32 2433 ± 68 5.75 0.97 DF09-39_31 R 0.1679 0.00157 7.786 0.161 0.336 0.0062 2537 ± 31 2206 ± 37 1870 ± 60 26.26 0.89 DF09-39_32 0.1742 0.00069 11.195 0.189 0.466 0.0076 2599 ± 13 2539 ± 31 2468 ± 67 5.03 0.97 DF09-39_33 R 0.1568 0.00094 3.848 0.120 0.178 0.0055 2422 ± 20 1603 ± 50 1057 ± 60 56.37 0.98 DF09-39_34 0.1723 0.00068 11.022 0.167 0.464 0.0068 2580 ± 13 2525 ± 28 2459 ± 59 4.69 0.96 DF09-39_35 0.1721 0.00068 10.732 0.183 0.452 0.0075 2578 ± 13 2500 ± 31 2407 ± 67 6.62 0.97 DF09-39_36 0.1716 0.00068 10.401 0.194 0.440 0.0080 2573 ± 13 2471 ± 34 2351 ± 72 8.64 0.98 DF09-39_37 0.1724 0.00068 11.082 0.185 0.466 0.0076 2581 ± 13 2530 ± 31 2469 ± 66 4.31 0.97 DF09-39_38 0.1705 0.00067 10.535 0.165 0.448 0.0068 2563 ± 13 2483 ± 29 2389 ± 60 6.79 0.97 DF09-39_39 R 0.1650 0.00066 9.787 0.149 0.430 0.0063 2508 ± 14 2415 ± 28 2308 ± 57 7.94 0.96 DF09-39_40 0.1704 0.00068 11.207 0.250 0.477 0.0105 2562 ± 13 2540 ± 41 2516 ± 91 1.78 0.98 DF09-39_41 R 0.1679 0.00067 10.529 0.193 0.455 0.0081 2536 ± 13 2482 ± 34 2419 ± 72 4.62 0.98 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U 107

Table 4-24. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF06-11 from the Kaoko Belt. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) 206 Pb/ 238 U Age (Ma) percent discord. DF06-11_1 R 0.0676 0.00032 0.950 0.013 0.102 0.0014 856 ± 20 678 ± 14 626 ± 16 26.85 0.94 DF06-11_2 0.0659 0.00023 1.192 0.013 0.131 0.0013 805 ± 15 797 ± 12 795 ± 15 1.23 0.95 DF06-11_3 0.0655 0.00023 1.200 0.012 0.133 0.0013 790 ± 14 801 ± 11 805 ± 15-1.93 0.94 DF06-11_4 0.0662 0.00024 1.043 0.031 0.114 0.0034 814 ± 15 725 ± 31 697 ± 39 14.28 0.99 DF06-11_5 0.0655 0.00025 1.184 0.012 0.131 0.0012 789 ± 16 793 ± 11 795 ± 14-0.84 0.92 DF06-11_6 0.0691 0.00053 1.253 0.018 0.131 0.0015 903 ± 32 825 ± 16 797 ± 18 11.72 0.84 DF06-11_7 0.0680 0.00033 1.165 0.014 0.124 0.0014 868 ± 20 784 ± 14 756 ± 16 12.90 0.92 DF06-11_8 0.0652 0.00025 1.134 0.012 0.126 0.0013 781 ± 16 770 ± 12 766 ± 15 1.86 0.93 DF06-11_8b R 0.0722 0.00045 1.215 0.016 0.122 0.0014 992 ± 25 808 ± 14 743 ± 16 25.10 0.88 DF06-11_9 R 0.1011 0.00320 1.629 0.054 0.117 0.0011 1645 ± 117 981 ± 41 713 ± 13 56.65 0.28 DF06-11_10 R 0.0714 0.00050 0.741 0.008 0.075 0.0006 970 ± 29 563 ± 9 468 ± 8 51.78 0.77 DF06-11_11 R 0.0904 0.00064 1.375 0.020 0.110 0.0014 1434 ± 27 878 ± 17 675 ± 16 52.90 0.87 DF06-11_12 0.0664 0.00022 1.227 0.012 0.134 0.0013 820 ± 14 813 ± 11 811 ± 14 1.14 0.95 DF06-11_13 R 0.3231 0.00187 1.641 0.026 0.037 0.0005 3585 ± 18 986 ± 20 233 ± 7 93.49 0.93 DF06-11_14 R 0.0699 0.00033 1.223 0.012 0.127 0.0011 925 ± 20 811 ± 11 771 ± 12 16.63 0.87 DF06-11_15 0.0671 0.00024 1.180 0.011 0.128 0.0011 840 ± 15 791 ± 10 775 ± 12 7.69 0.92 DF06-11_16 R 0.0812 0.00058 0.945 0.011 0.084 0.0008 1226 ± 28 675 ± 11 523 ± 9 57.36 0.78 DF06-11_17 R 0.0648 0.00037 0.904 0.013 0.101 0.0014 769 ± 24 654 ± 14 622 ± 16 19.09 0.92 DF06-11_18 R 0.0880 0.00161 1.183 0.031 0.098 0.0018 1382 ± 70 793 ± 29 600 ± 21 56.56 0.71 DF06-11_19 0.0665 0.00034 1.104 0.024 0.120 0.0026 823 ± 21 755 ± 23 733 ± 30 10.90 0.97 DF06-11_20 0.0618 0.00042 0.930 0.016 0.109 0.0017 668 ± 29 667 ± 17 668 ± 20-0.08 0.92 DF06-11_21 R 0.0857 0.00088 1.144 0.021 0.097 0.0015 1332 ± 40 774 ± 20 596 ± 17 55.26 0.83 DF06-11_22 R 0.1107 0.00269 1.354 0.040 0.089 0.0015 1810 ± 88 869 ± 34 548 ± 17 69.70 0.56 DF06-11_23 R 0.0675 0.00047 0.917 0.014 0.099 0.0014 853 ± 29 661 ± 15 607 ± 16 28.89 0.90 DF06-11_24 0.0640 0.00043 0.890 0.019 0.101 0.0020 742 ± 28 646 ± 20 620 ± 23 16.48 0.95 DF06-11_25 0.0656 0.00053 1.063 0.020 0.118 0.0020 793 ± 34 735 ± 19 717 ± 23 9.60 0.90 rho factor 108

Table 4-24. Continued. DF06-11_26 R 0.0717 0.00073 1.118 0.022 0.113 0.0019 978 ± 41 762 ± 21 691 ± 22 29.32 0.86 DF06-11_27 0.0649 0.00054 0.974 0.017 0.109 0.0017 772 ± 35 691 ± 18 666 ± 20 13.68 0.88 DF06-11_28 0.0663 0.00045 1.121 0.024 0.123 0.0025 815 ± 28 763 ± 23 746 ± 28 8.42 0.95 DF06-11_29 0.0688 0.00056 1.124 0.020 0.119 0.0019 892 ± 33 765 ± 19 723 ± 22 18.91 0.89 DF06-11_30 0.0647 0.00047 1.060 0.018 0.119 0.0018 766 ± 31 734 ± 18 724 ± 21 5.39 0.90 DF06-11_31 0.0627 0.00046 1.006 0.023 0.116 0.0025 699 ± 31 707 ± 23 710 ± 29-1.61 0.95 DF06-11_32 0.0654 0.00044 1.140 0.022 0.126 0.0022 787 ± 28 773 ± 20 768 ± 26 2.36 0.93 DF06-11_33 0.0639 0.00059 0.967 0.017 0.110 0.0016 737 ± 39 687 ± 17 672 ± 19 8.75 0.85 DF06-11_34 R 0.1223 0.00118 1.038 0.041 0.062 0.0024 1990 ± 34 723 ± 41 386 ± 29 80.62 0.97 DF06-11_35 0.0658 0.00047 1.091 0.019 0.120 0.0019 802 ± 30 749 ± 19 732 ± 22 8.64 0.91 DF06-11_36 0.0686 0.00065 1.124 0.022 0.119 0.0021 888 ± 39 765 ± 21 724 ± 24 18.40 0.88 DF06-11_37 R 0.0743 0.00071 1.017 0.019 0.099 0.0016 1050 ± 39 712 ± 19 610 ± 19 41.86 0.86 DF06-11_38 0.0664 0.00048 1.262 0.023 0.138 0.0024 820 ± 30 829 ± 21 833 ± 27-1.67 0.92 DF06-11_39 0.0682 0.00049 1.149 0.019 0.122 0.0018 874 ± 30 777 ± 18 744 ± 21 14.91 0.90 DF06-11_40 R 0.0715 0.00063 1.126 0.019 0.114 0.0016 973 ± 36 766 ± 18 697 ± 19 28.28 0.85 DF06-11_41 R 0.0658 0.00061 0.805 0.017 0.089 0.0017 801 ± 39 600 ± 19 548 ± 20 31.48 0.90 DF06-11_42 R 0.0705 0.00054 1.081 0.020 0.111 0.0019 942 ± 31 744 ± 20 681 ± 22 27.71 0.91 DF06-11_43 R 0.0671 0.00126 0.945 0.022 0.102 0.0015 840 ± 78 675 ± 23 628 ± 17 25.24 0.61 DF06-11_44 0.0676 0.00047 1.210 0.020 0.130 0.0020 855 ± 29 805 ± 19 788 ± 23 7.84 0.91 DF06-11_45 0.0685 0.00049 1.077 0.020 0.114 0.0019 885 ± 30 742 ± 19 696 ± 22 21.28 0.92 DF06-11_46 0.0652 0.00048 1.080 0.022 0.120 0.0023 779 ± 31 744 ± 21 732 ± 26 5.98 0.93 DF06-11_47 R 0.0701 0.00051 1.167 0.021 0.121 0.0020 931 ± 30 785 ± 20 736 ± 23 20.93 0.92 DF06-11_48 0.0659 0.00045 1.147 0.022 0.126 0.0023 804 ± 29 776 ± 21 767 ± 26 4.63 0.94 DF06-11_49 R 0.0893 0.00172 1.498 0.039 0.122 0.0021 1411 ± 74 929 ± 32 741 ± 25 47.49 0.68 DF06-11_50 0.0660 0.00033 1.093 0.034 0.120 0.0037 808 ± 21 750 ± 32 731 ± 42 9.44 0.99 DF06-11_51 R 0.0772 0.00277 1.085 0.050 0.102 0.0029 1127 ± 143 746 ± 48 626 ± 34 44.39 0.63 DF06-11_52 0.0669 0.00044 1.184 0.036 0.128 0.0039 834 ± 27 793 ± 34 779 ± 44 6.56 0.98 DF06-11_53 0.0620 0.00020 0.956 0.032 0.112 0.0038 675 ± 14 681 ± 33 683 ± 44-1.25 1.00 109

Table 4-24. Continued. DF06-11_54 0.0705 0.00068 0.916 0.033 0.094 0.0033 942 ± 39 660 ± 35 582 ± 39 38.23 0.96 DF06-11_55 0.0627 0.00030 0.923 0.027 0.107 0.0031 699 ± 20 664 ± 28 654 ± 36 6.35 0.99 DF06-11_56 R 0.0639 0.00022 0.881 0.030 0.100 0.0034 740 ± 14 641 ± 32 614 ± 40 16.92 0.99 DF06-11_57 0.0623 0.00029 0.970 0.029 0.113 0.0034 684 ± 20 689 ± 30 691 ± 39-1.05 0.99 DF06-11_58 0.0655 0.00045 1.134 0.036 0.126 0.0039 791 ± 29 769 ± 34 763 ± 45 3.49 0.98 DF06-11_59 0.0677 0.00031 1.195 0.039 0.128 0.0041 860 ± 19 798 ± 35 777 ± 47 9.62 0.99 DF06-11_60 0.0637 0.00026 0.960 0.028 0.109 0.0032 733 ± 17 683 ± 29 669 ± 37 8.70 0.99 DF06-11_61 R 0.0866 0.00197 1.367 0.054 0.114 0.0037 1353 ± 88 875 ± 46 699 ± 43 48.31 0.82 DF06-11_62 0.0684 0.00043 1.100 0.033 0.117 0.0034 880 ± 26 753 ± 32 712 ± 39 19.01 0.98 DF06-11_63 R 0.0985 0.00240 0.940 0.044 0.069 0.0027 1597 ± 91 673 ± 45 432 ± 33 72.96 0.85 DF06-11_64 R 0.0728 0.00077 1.071 0.036 0.107 0.0034 1008 ± 43 739 ± 35 655 ± 39 35.03 0.95 DF06-11_65 R 0.0799 0.00188 1.213 0.047 0.110 0.0034 1193 ± 93 806 ± 43 674 ± 40 43.48 0.80 DF06-11_66 0.0675 0.00031 1.144 0.035 0.123 0.0037 853 ± 19 774 ± 33 748 ± 43 12.24 0.99 DF06-11_67 0.0649 0.00032 1.170 0.036 0.131 0.0040 772 ± 21 786 ± 33 792 ± 45-2.60 0.99 DF06-11_68 0.0623 0.00020 0.931 0.027 0.108 0.0031 685 ± 14 668 ± 28 663 ± 36 3.07 0.99 DF06-11_69 0.0701 0.00077 0.938 0.030 0.097 0.0029 933 ± 45 672 ± 31 597 ± 34 35.95 0.94 DF06-11_70 0.0655 0.00036 1.223 0.038 0.135 0.0042 791 ± 23 811 ± 35 819 ± 47-3.58 0.98 DF06-11_71 0.0625 0.00026 0.913 0.027 0.106 0.0031 693 ± 18 659 ± 28 649 ± 36 6.25 0.99 DF06-11_72 R 0.0851 0.00398 1.131 0.064 0.096 0.0030 1317 ± 181 768 ± 60 594 ± 36 54.91 0.56 DF06-11_73 0.0628 0.00024 0.926 0.027 0.107 0.0030 700 ± 16 665 ± 28 656 ± 35 6.36 0.99 DF06-11_74 0.0620 0.00021 0.952 0.027 0.111 0.0032 675 ± 15 679 ± 28 681 ± 37-0.94 0.99 DF06-11_75 0.0614 0.00023 0.947 0.028 0.112 0.0033 654 ± 16 676 ± 29 684 ± 39-4.65 0.99 DF06-11_76 0.0621 0.00022 0.945 0.029 0.110 0.0034 677 ± 15 676 ± 30 676 ± 39 0.17 0.99 DF06-11_77 0.0652 0.00038 1.213 0.037 0.135 0.0040 782 ± 24 806 ± 34 816 ± 46-4.33 0.98 DF06-11_78 0.0661 0.00036 1.256 0.037 0.138 0.0040 810 ± 23 826 ± 33 833 ± 45-2.87 0.98 DF06-11_79 0.0686 0.00063 1.195 0.037 0.126 0.0038 888 ± 38 798 ± 34 767 ± 43 13.61 0.96 DF06-11_80 R 0.0752 0.00096 1.269 0.043 0.122 0.0038 1074 ± 51 832 ± 38 745 ± 44 30.60 0.93 DF06-11_81 0.0669 0.00026 1.235 0.037 0.134 0.0040 833 ± 16 816 ± 33 811 ± 45 2.66 0.99 110

Table 4-24. Continued. DF06-11_82 0.0659 0.00031 1.179 0.034 0.130 0.0037 803 ± 20 791 ± 31 787 ± 42 1.90 0.99 DF06-11_83 0.0653 0.00046 1.104 0.036 0.123 0.0039 783 ± 29 755 ± 34 747 ± 45 4.62 0.98 DF06-11_84 R 0.0655 0.00050 1.320 0.040 0.146 0.0043 790 ± 32 855 ± 35 880 ± 49-11.43 0.97 DF06-11_85 0.0675 0.00039 1.101 0.033 0.118 0.0035 854 ± 24 754 ± 32 721 ± 40 15.47 0.98 DF06-11_86 R 0.0755 0.00197 1.025 0.040 0.098 0.0028 1083 ± 105 716 ± 40 606 ± 33 44.05 0.74 DF06-11_87 0.0659 0.00046 1.193 0.036 0.131 0.0038 804 ± 29 797 ± 33 796 ± 44 1.02 0.97 DF06-11_88 R 0.0710 0.00243 0.896 0.042 0.092 0.0029 956 ± 140 649 ± 44 565 ± 34 40.90 0.68 DF06-11_89 R 0.0663 0.00047 0.860 0.026 0.094 0.0027 815 ± 30 630 ± 28 580 ± 32 28.78 0.97 DF06-11_90 R 0.0666 0.00037 0.861 0.027 0.094 0.0029 825 ± 23 631 ± 29 578 ± 34 29.84 0.98 DF06-11_91 0.0626 0.00025 0.906 0.027 0.105 0.0031 695 ± 17 655 ± 29 644 ± 37 7.29 0.99 DF06-11_92 0.0619 0.00029 0.935 0.028 0.109 0.0032 672 ± 20 670 ± 29 670 ± 37 0.26 0.99 DF06-11_93 0.0666 0.00031 1.201 0.037 0.131 0.0040 824 ± 20 801 ± 34 794 ± 46 3.61 0.99 DF06-11_94 0.0619 0.00020 0.933 0.027 0.109 0.0032 669 ± 14 669 ± 28 670 ± 37-0.14 0.99 DF06-11_95 R 0.0616 0.00021 0.875 0.028 0.103 0.0032 660 ± 15 638 ± 30 633 ± 38 4.17 0.99 DF06-11_96 R 0.0634 0.00068 0.815 0.034 0.093 0.0037 722 ± 46 605 ± 37 575 ± 44 20.34 0.97 DF06-11_97 0.0621 0.00023 0.894 0.026 0.104 0.0030 676 ± 16 648 ± 28 641 ± 35 5.17 0.99 DF06-11_98 0.0633 0.00037 0.973 0.033 0.111 0.0038 718 ± 25 690 ± 34 682 ± 44 5.07 0.99 DF06-11_99 R 0.0696 0.00243 0.974 0.045 0.102 0.0031 916 ± 143 691 ± 46 624 ± 36 31.87 0.66 DF06-11_100 0.0616 0.00021 0.893 0.026 0.105 0.0030 660 ± 15 648 ± 28 645 ± 35 2.19 0.99 DF06-11_101 0.0620 0.00022 0.914 0.027 0.107 0.0031 673 ± 15 659 ± 28 656 ± 36 2.55 0.99 DF06-11_102 0.0655 0.00049 1.135 0.035 0.126 0.0038 790 ± 31 770 ± 33 764 ± 43 3.22 0.97 DF06-11_103 0.0625 0.00033 0.950 0.028 0.110 0.0032 692 ± 23 678 ± 29 675 ± 37 2.53 0.98 DF06-11_104 0.0647 0.00038 1.129 0.033 0.127 0.0036 765 ± 25 767 ± 31 769 ± 41-0.47 0.98 DF06-11_105 R 0.0731 0.00057 0.748 0.023 0.074 0.0022 1016 ± 32 567 ± 26 462 ± 26 54.53 0.97 DF06-11_106 0.0628 0.00024 0.917 0.026 0.106 0.0030 703 ± 16 661 ± 28 649 ± 35 7.57 0.99 DF06-11_107 R 0.1197 0.00143 1.064 0.041 0.064 0.0024 1952 ± 43 736 ± 40 403 ± 29 79.35 0.95 DF06-11_108 R 0.0627 0.00021 0.947 0.029 0.110 0.0033 697 ± 14 677 ± 30 671 ± 39 3.63 0.99 DF06-11_109 0.0665 0.00032 1.163 0.034 0.127 0.0037 823 ± 20 783 ± 32 770 ± 42 6.32 0.99 111

Table 4-25. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF06-17 from the Kaoko Belt. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) 206 Pb/ 238 U Age (Ma) percent discord. DF06-17_50 R 0.0936 0.00054 2.201 0.038 0.171 0.0028 1501 ± 22 1181 ± 24 1016 ± 31 32.31 0.94 DF06-17_51 R 0.1116 0.00397 1.899 0.076 0.123 0.0022 1825 ± 129 1081 ± 52 751 ± 25 58.85 0.45 DF06-17_52 0.1061 0.00032 3.169 0.054 0.217 0.0036 1733 ± 11 1449 ± 26 1265 ± 39 27.01 0.98 DF06-17_53 0.1067 0.00038 3.098 0.060 0.211 0.0040 1743 ± 13 1432 ± 29 1233 ± 43 29.25 0.98 DF06-17_54 0.1126 0.00029 3.579 0.066 0.231 0.0042 1841 ± 9 1545 ± 29 1338 ± 44 27.30 0.99 DF06-17_55 0.1043 0.00036 3.008 0.064 0.209 0.0044 1702 ± 13 1409 ± 32 1225 ± 47 27.99 0.99 DF06-17_56 R 0.1130 0.00031 3.535 0.063 0.227 0.0040 1848 ± 10 1535 ± 28 1320 ± 42 28.57 0.99 DF06-17_57 R 0.0919 0.00031 2.152 0.045 0.170 0.0035 1466 ± 13 1165 ± 29 1012 ± 39 30.97 0.99 DF06-17_58 R 0.1175 0.00029 3.947 0.089 0.244 0.0054 1919 ± 9 1623 ± 36 1406 ± 56 26.73 0.99 DF06-17_59 0.1122 0.00031 3.638 0.073 0.235 0.0047 1836 ± 10 1558 ± 32 1362 ± 49 25.78 0.99 DF06-17_60 0.0999 0.00035 3.643 0.068 0.265 0.0049 1622 ± 13 1559 ± 30 1514 ± 50 6.62 0.98 DF06-17_61 0.1073 0.00027 4.481 0.074 0.303 0.0049 1754 ± 9 1727 ± 27 1707 ± 49 2.69 0.99 DF06-17_62 R 0.0860 0.00022 2.494 0.042 0.210 0.0035 1339 ± 10 1270 ± 24 1231 ± 37 8.00 0.99 DF06-17_63 0.1046 0.00034 3.944 0.073 0.273 0.0050 1708 ± 12 1623 ± 30 1559 ± 50 8.68 0.98 DF06-17_64 0.0808 0.00019 2.272 0.039 0.204 0.0034 1217 ± 9 1204 ± 24 1197 ± 37 1.57 0.99 DF06-17_65 0.1062 0.00024 4.375 0.076 0.299 0.0052 1735 ± 8 1707 ± 29 1687 ± 51 2.78 0.99 DF06-17_66 0.1075 0.00025 4.534 0.079 0.306 0.0053 1758 ± 9 1737 ± 29 1721 ± 52 2.09 0.99 DF06-17_67 0.1001 0.00058 3.530 0.060 0.256 0.0041 1626 ± 12 1534 ± 27 1469 ± 42 9.66 0.94 DF06-17_68 R 0.0870 0.00027 2.535 0.040 0.211 0.0033 1361 ± 12 1282 ± 23 1237 ± 35 9.14 0.98 DF06-17_69 0.1067 0.00025 4.436 0.073 0.301 0.0049 1744 ± 8 1719 ± 27 1700 ± 49 2.53 0.99 DF06-17_70 0.1061 0.00026 4.103 0.063 0.280 0.0042 1734 ± 9 1655 ± 25 1595 ± 43 7.99 0.99 DF06-17_71 0.1120 0.00025 4.728 0.080 0.306 0.0052 1831 ± 8 1772 ± 28 1724 ± 51 5.86 0.99 DF06-17_72 0.1025 0.00025 3.942 0.069 0.279 0.0049 1669 ± 9 1622 ± 28 1588 ± 49 4.87 0.99 DF06-17_73 0.1127 0.00026 4.885 0.091 0.314 0.0058 1843 ± 8 1799 ± 31 1764 ± 57 4.25 0.99 DF06-17_74 R 0.1262 0.00029 6.100 0.107 0.350 0.0061 2046 ± 8 1990 ± 31 1938 ± 58 5.27 0.99 DF06-17_75 0.1068 0.00026 4.383 0.076 0.298 0.0051 1746 ± 9 1709 ± 29 1680 ± 51 3.76 0.99 rho factor 112

Table 4-25. Continued. DF06-17_76 0.1114 0.00028 4.826 0.088 0.314 0.0057 1823 ± 9 1789 ± 30 1762 ± 55 3.35 0.99 DF06-17_77 R 0.0888 0.00022 2.616 0.046 0.214 0.0037 1400 ± 9 1305 ± 25 1249 ± 39 10.78 0.99 DF06-17_78 0.1073 0.00024 4.505 0.078 0.304 0.0052 1754 ± 8 1732 ± 29 1715 ± 52 2.24 0.99 DF06-17_79 0.1074 0.00025 4.270 0.078 0.288 0.0052 1757 ± 8 1687 ± 30 1634 ± 52 6.98 0.99 DF06-17_80 0.1043 0.00027 4.207 0.077 0.293 0.0053 1702 ± 10 1675 ± 30 1656 ± 53 2.70 0.99 DF06-17_81 0.1047 0.00024 4.277 0.084 0.296 0.0057 1708 ± 8 1689 ± 32 1675 ± 57 1.95 0.99 DF06-17_82 0.1057 0.00029 4.072 0.068 0.279 0.0046 1727 ± 10 1648 ± 27 1589 ± 47 7.95 0.99 DF06-17_83 R 0.1024 0.00049 4.457 0.499 0.316 0.0353 1669 ± 18 1723 ± 178 1769 ± 342-6.04 1.00 DF06-17_84 R 0.0980 0.00101 2.452 0.277 0.181 0.0204 1587 ± 39 1258 ± 157 1075 ± 221 32.23 1.00 DF06-17_85 0.1036 0.00024 3.907 0.073 0.273 0.0051 1690 ± 9 1615 ± 30 1560 ± 51 7.69 0.99 DF06-17_86 R 0.1223 0.00029 5.677 0.098 0.337 0.0058 1991 ± 8 1928 ± 30 1872 ± 55 5.97 0.99 DF06-17_87 R 0.0857 0.00020 2.595 0.044 0.220 0.0037 1332 ± 9 1299 ± 25 1280 ± 39 3.87 0.99 DF06-17_88 0.1044 0.00058 3.112 0.091 0.216 0.0062 1703 ± 20 1435 ± 44 1263 ± 65 25.84 0.98 DF06-17_89 0.1090 0.00027 4.446 0.077 0.296 0.0051 1783 ± 9 1721 ± 29 1672 ± 51 6.20 0.99 DF06-17_90 R 0.1135 0.00034 4.764 0.080 0.304 0.0051 1856 ± 11 1778 ± 28 1715 ± 50 7.61 0.98 DF06-17_91 0.1058 0.00029 4.133 0.068 0.283 0.0046 1728 ± 10 1661 ± 27 1609 ± 46 6.87 0.99 1658 ± DF06-17_92 R 0.1031 0.00060 4.121 0.459 0.290 0.0323 1680 ± 22 174 1643 ± 319 2.22 1.00 DF06-17_93 0.1060 0.00025 4.270 0.072 0.292 0.0049 1731 ± 9 1687 ± 28 1654 ± 49 4.44 0.99 DF06-17_94 0.0964 0.00028 3.231 0.056 0.243 0.0042 1555 ± 11 1464 ± 27 1404 ± 43 9.72 0.99 DF06-17_95 R 0.0825 0.00021 2.121 0.037 0.186 0.0032 1258 ± 10 1155 ± 24 1103 ± 35 12.29 0.99 DF06-17_96 0.0815 0.00019 2.234 0.039 0.199 0.0034 1233 ± 9 1192 ± 24 1170 ± 37 5.05 0.99 DF06-17_97 R 0.1133 0.00026 4.668 0.086 0.299 0.0055 1852 ± 8 1761 ± 31 1687 ± 54 8.90 0.99 DF06-17_98 0.1108 0.00032 4.644 0.078 0.304 0.0050 1813 ± 11 1757 ± 28 1712 ± 49 5.54 0.98 DF06-17_99 0.1051 0.00043 3.962 0.067 0.273 0.0045 1716 ± 15 1626 ± 27 1559 ± 46 9.13 0.97 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U 113

Table 4-26. U-Pb (MC-ICP-MS) analysis common Pb corrected results for sample DF06-08 from the Kaoko Belt. Sample 207 Pb/ 1σ error 207 Pb/ 1σ 206 Pb/ 1σ error 207 Pb/ 206 Pb 207 Pb/ 235 U* 206 Pb 235 U* error* 238 U Age (Ma) Age (Ma) 206 Pb/ 238 U Age (Ma) percent discord. DF06-08_13 0.0777 0.00018 2.070 0.024 0.193 0.0022 1140 ± 9 1139 ± 16 1139 ± 24 0.08 0.98 DF06-08_13b 0.0768 0.00017 1.998 0.023 0.189 0.0022 1116 ± 9 1115 ± 16 1115 ± 23 0.02 0.98 DF06-08_14 R 0.0651 0.00018 0.913 0.008 0.102 0.0009 778 ± 11 659 ± 9 625 ± 10 19.63 0.95 DF06-08_15 R 0.0737 0.00016 1.841 0.020 0.181 0.0019 1033 ± 9 1060 ± 14 1075 ± 21-4.10 0.98 DF06-08_16 R 0.0695 0.00021 0.884 0.012 0.092 0.0012 913 ± 12 643 ± 13 569 ± 15 37.62 0.98 DF06-08_17 0.0725 0.00015 1.696 0.019 0.170 0.0019 999 ± 9 1007 ± 14 1011 ± 21-1.30 0.98 DF06-08_18 0.0608 0.00016 0.865 0.011 0.103 0.0012 631 ± 11 633 ± 12 634 ± 15-0.60 0.98 DF06-08_19 R 0.0782 0.00019 1.589 0.027 0.147 0.0024 1153 ± 10 966 ± 21 886 ± 27 23.10 0.99 DF06-08_20 0.0691 0.00015 1.445 0.017 0.152 0.0017 901 ± 9 908 ± 14 911 ± 19-1.11 0.98 DF06-08_21 0.0733 0.00024 1.447 0.012 0.143 0.0011 1022 ± 13 908 ± 10 863 ± 13 15.56 0.92 DF06-08_22 R 0.0735 0.00016 1.342 0.017 0.133 0.0016 1027 ± 9 864 ± 15 803 ± 19 21.79 0.99 DF06-08_23 0.0728 0.00024 1.659 0.017 0.165 0.0016 1007 ± 13 993 ± 13 987 ± 18 1.96 0.95 DF06-08_24 R 0.0752 0.00081 1.440 0.027 0.139 0.0022 1074 ± 43 906 ± 23 839 ± 25 21.82 0.83 DF06-08_25 0.0597 0.00015 0.808 0.010 0.098 0.0012 591 ± 11 601 ± 11 605 ± 14-2.30 0.98 DF06-08_26 0.0603 0.00015 0.851 0.010 0.102 0.0011 616 ± 11 625 ± 11 628 ± 13-2.06 0.98 DF06-08_27 0.0616 0.00016 0.886 0.014 0.104 0.0016 662 ± 11 644 ± 15 640 ± 19 3.31 0.99 DF06-08_28 0.0738 0.00017 1.722 0.026 0.169 0.0025 1036 ± 9 1017 ± 19 1009 ± 28 2.55 0.99 DF06-08_29 R 0.0641 0.00017 0.844 0.014 0.096 0.0015 744 ± 11 621 ± 15 589 ± 18 20.87 0.99 DF06-08_30 0.0737 0.00027 1.726 0.020 0.170 0.0019 1033 ± 15 1018 ± 15 1012 ± 21 2.04 0.95 DF06-08_31 0.0697 0.00029 1.395 0.016 0.145 0.0016 920 ± 17 887 ± 14 874 ± 17 4.96 0.93 DF06-08_32 0.0664 0.00022 1.267 0.014 0.138 0.0015 820 ± 14 831 ± 13 836 ± 17-2.02 0.95 DF06-08_33 0.0730 0.00016 1.701 0.018 0.169 0.0018 1015 ± 9 1009 ± 14 1007 ± 20 0.79 0.98 DF06-08_34 0.0601 0.00014 0.845 0.009 0.102 0.0011 607 ± 10 622 ± 10 626 ± 13-3.19 0.98 DF06-08_35 R 0.0733 0.00015 1.789 0.016 0.177 0.0015 1023 ± 8 1041 ± 12 1051 ± 17-2.83 0.97 DF06-08_36 0.0621 0.00016 0.896 0.010 0.105 0.0012 678 ± 11 650 ± 11 642 ± 13 5.32 0.98 DF06-08_37 0.0613 0.00023 0.861 0.010 0.102 0.0012 650 ± 16 630 ± 11 625 ± 14 3.77 0.95 DF06-08_38 0.0616 0.00013 0.914 0.013 0.108 0.0015 659 ± 9 659 ± 14 660 ± 18-0.21 0.99 rho factor 114

Table 4-26. Continued. DF06-08_39 R 0.0640 0.00038 0.794 0.025 0.090 0.0028 742 ± 25 594 ± 28 556 ± 33 25.07 0.98 DF06-08_40 0.0622 0.00017 0.906 0.014 0.106 0.0016 682 ± 12 655 ± 15 648 ± 19 4.97 0.98 DF06-08_41 0.0600 0.00015 0.839 0.008 0.101 0.0010 602 ± 11 619 ± 9 624 ± 12-3.60 0.97 DF06-08_42 R 0.0600 0.00015 0.841 0.011 0.102 0.0013 604 ± 11 620 ± 12 625 ± 15-3.40 0.98 DF06-08_43 R 0.0893 0.00019 1.339 0.014 0.109 0.0011 1410 ± 8 863 ± 12 666 ± 13 52.75 0.98 DF06-08_44 0.0754 0.00016 1.931 0.021 0.186 0.0020 1078 ± 8 1092 ± 14 1100 ± 21-2.00 0.98 DF06-08_45 R 0.0744 0.00018 1.490 0.012 0.145 0.0012 1051 ± 10 926 ± 10 875 ± 13 16.73 0.96 DF06-08_46 0.0647 0.00014 1.105 0.011 0.124 0.0012 764 ± 9 756 ± 11 754 ± 14 1.28 0.98 DF06-08_47 0.0640 0.00014 1.111 0.012 0.126 0.0013 741 ± 9 759 ± 11 765 ± 15-3.25 0.98 DF06-08_48 0.0606 0.00022 0.839 0.009 0.101 0.0010 624 ± 15 619 ± 10 618 ± 12 0.88 0.94 DF06-08_49 0.0593 0.00015 0.811 0.010 0.099 0.0011 580 ± 11 603 ± 11 610 ± 13-5.20 0.98 DF06-08_50 0.0602 0.00020 0.839 0.009 0.101 0.0011 610 ± 14 619 ± 10 621 ± 13-1.88 0.96 DF06-08_51 0.0652 0.00014 1.156 0.016 0.129 0.0017 779 ± 9 780 ± 15 781 ± 20-0.24 0.99 DF06-08_52 0.0725 0.00025 1.516 0.042 0.152 0.0042 999 ± 14 937 ± 34 912 ± 47 8.76 0.99 DF06-08_53 0.0662 0.00023 1.099 0.029 0.120 0.0031 814 ± 14 753 ± 28 733 ± 36 9.89 0.99 DF06-08_54 0.0730 0.00028 1.586 0.042 0.158 0.0041 1015 ± 16 965 ± 32 944 ± 46 6.97 0.99 DF06-08_55 0.0719 0.00026 1.459 0.039 0.147 0.0039 984 ± 15 913 ± 32 885 ± 44 9.98 0.99 DF06-08_56 0.0608 0.00028 0.794 0.022 0.095 0.0026 632 ± 20 593 ± 25 584 ± 30 7.55 0.99 DF06-08_57 0.0660 0.00019 1.078 0.030 0.119 0.0032 806 ± 12 743 ± 29 723 ± 37 10.26 0.99 DF06-08_58 0.0614 0.00021 0.784 0.024 0.093 0.0028 655 ± 15 588 ± 27 571 ± 33 12.70 0.99 DF06-08_59 R 0.0703 0.00025 1.374 0.038 0.142 0.0039 937 ± 14 878 ± 32 855 ± 44 8.76 0.99 DF06-08_60 R 0.0733 0.00052 1.509 0.041 0.149 0.0039 1023 ± 29 934 ± 33 897 ± 44 12.24 0.97 DF06-08_61 0.0669 0.00021 1.185 0.031 0.129 0.0034 834 ± 13 794 ± 29 780 ± 38 6.45 0.99 DF06-08_62 0.0674 0.00020 1.180 0.032 0.127 0.0035 849 ± 12 791 ± 30 772 ± 40 9.09 0.99 DF06-08_63 R 0.1123 0.00033 4.182 0.112 0.270 0.0072 1837 ± 11 1670 ± 43 1542 ± 73 16.04 0.99 DF06-08_64 0.0718 0.00024 1.469 0.038 0.148 0.0038 982 ± 13 918 ± 31 892 ± 42 9.11 0.99 DF06-08_65 0.0639 0.00019 0.990 0.028 0.112 0.0032 738 ± 13 699 ± 29 687 ± 37 6.84 0.99 DF06-08_66 0.0645 0.00022 0.976 0.026 0.110 0.0029 757 ± 14 691 ± 27 672 ± 34 11.14 0.99 115

Table 4-26. Continued. DF06-08_67 0.0632 0.00018 0.943 0.026 0.108 0.0029 716 ± 12 674 ± 27 662 ± 34 7.42 0.99 DF06-08_68 0.0661 0.00022 1.035 0.028 0.114 0.0030 810 ± 14 721 ± 27 694 ± 35 14.34 0.99 DF06-08_69 0.0608 0.00022 0.817 0.023 0.097 0.0027 634 ± 16 606 ± 25 599 ± 32 5.39 0.99 DF06-08_70 0.0774 0.00025 1.908 0.058 0.179 0.0054 1131 ± 13 1084 ± 40 1062 ± 59 6.09 0.99 DF06-08_71 0.0653 0.00020 1.096 0.029 0.122 0.0032 783 ± 13 751 ± 28 741 ± 37 5.27 0.99 DF06-08_72 0.0616 0.00034 0.800 0.022 0.094 0.0025 660 ± 24 597 ± 25 581 ± 30 11.90 0.98 DF06-08_73 0.0631 0.00018 0.934 0.025 0.107 0.0029 712 ± 12 670 ± 26 658 ± 33 7.52 0.99 DF06-08_74 0.0756 0.00029 1.717 0.045 0.165 0.0043 1086 ± 15 1015 ± 34 983 ± 47 9.43 0.99 DF06-08_75 0.0606 0.00020 0.752 0.019 0.090 0.0023 627 ± 14 570 ± 22 556 ± 27 11.27 0.99 DF06-08_76 0.0647 0.00019 1.012 0.027 0.113 0.0030 765 ± 13 710 ± 27 693 ± 34 9.33 0.99 DF06-08_77 0.0924 0.00030 2.986 0.079 0.234 0.0062 1475 ± 12 1404 ± 40 1359 ± 64 7.82 0.99 DF06-08_78 0.0726 0.00023 1.504 0.040 0.150 0.0039 1003 ± 13 932 ± 32 903 ± 44 9.97 0.99 DF06-08_79 0.0607 0.00022 0.775 0.022 0.093 0.0026 628 ± 16 583 ± 25 572 ± 30 8.99 0.99 DF06-08_80 0.0757 0.00025 1.739 0.050 0.167 0.0048 1087 ± 13 1023 ± 37 994 ± 53 8.52 0.99 DF06-08_81 R 0.0694 0.00031 1.194 0.034 0.125 0.0035 911 ± 19 798 ± 31 759 ± 40 16.69 0.99 DF06-08_82 R 0.0712 0.00038 1.353 0.036 0.138 0.0036 964 ± 22 869 ± 31 833 ± 41 13.61 0.98 DF06-08_83 0.0600 0.000339 0.754 0.020 0.091 0.0024 603 ± 24 571 ± 24 563 ± 29 6.51 0.98 DF06-08_84 0.0728 0.000276 1.542 0.043 0.154 0.0042 1007 ± 15 947 ± 34 922 ± 47 8.40 0.99 DF06-08_85 R 0.0697 0.000296 1.288 0.034 0.134 0.0035 918 ± 17 840 ± 30 812 ± 39 11.57 0.99 DF06-08_86 R 0.0646 0.000355 0.805 0.026 0.090 0.0029 761 ± 23 600 ± 30 558 ± 35 26.59 0.99 DF06-08_87 0.0739 0.000304 1.519 0.041 0.149 0.0039 1039 ± 17 938 ± 33 896 ± 44 13.69 0.99 DF06-08_88 0.0732 0.000329 1.428 0.038 0.141 0.0037 1019 ± 18 900 ± 31 854 ± 42 16.21 0.99 DF06-08_89 R 0.0631 0.000201 0.816 0.032 0.094 0.0037 710 ± 14 606 ± 36 579 ± 44 18.46 1.00 DF06-08_90 0.0715 0.000345 1.464 0.041 0.149 0.0041 971 ± 20 916 ± 33 894 ± 45 7.90 0.98 DF06-08_91 0.0614 0.000434 0.795 0.022 0.094 0.0025 654 ± 30 594 ± 25 579 ± 30 11.50 0.97 DF06-08_92 R 0.0742 0.000279 0.607 0.019 0.059 0.0019 1047 ± 15 481 ± 24 372 ± 23 64.49 0.99 DF06-08_93 R 0.0634 0.001034 0.831 0.026 0.095 0.0025 720 ± 69 614 ± 29 586 ± 30 18.56 0.85 DF06-08_94 R 0.0667 0.0003 0.929 0.028 0.101 0.0030 829 ± 19 667 ± 29 620 ± 35 25.16 0.99 116

Table 4-26. Continued. DF06-08_95 0.0645 0.000221 1.057 0.028 0.119 0.0031 758 ± 14 732 ± 27 725 ± 36 4.34 0.99 DF06-08_96 0.0721 0.000337 1.568 0.044 0.158 0.0044 988 ± 19 957 ± 35 945 ± 49 4.28 0.99 DF06-08_97 R 0.0805 0.005046 1.283 0.088 0.116 0.0032 1209 ± 247 838 ± 77 706 ± 37 41.58 0.40 DF06-08_98 0.0612 0.000412 0.826 0.024 0.098 0.0027 646 ± 29 611 ± 26 603 ± 32 6.70 0.97 DF06-08_99 0.0631 0.000267 0.956 0.026 0.110 0.0030 712 ± 18 681 ± 27 672 ± 34 5.58 0.99 DF06-08_100 0.0774 0.000263 1.926 0.052 0.181 0.0048 1131 ± 14 1090 ± 36 1071 ± 53 5.32 0.99 DF06-08_101 0.0641 0.000228 1.036 0.029 0.117 0.0032 746 ± 15 722 ± 28 715 ± 37 4.21 0.99 DF06-08_102 0.0651 0.000199 1.133 0.032 0.126 0.0035 776 ± 13 769 ± 30 767 ± 40 1.15 0.99 DF06-08_103 R 0.1196 0.000371 5.067 0.133 0.307 0.0080 1950 ± 11 1830 ± 44 1729 ± 79 11.34 0.99 DF06-08_104 0.0611 0.00032 0.803 0.024 0.095 0.0028 643 ± 23 599 ± 27 588 ± 33 8.63 0.98 DF06-08_105 0.0611 0.000264 0.840 0.023 0.100 0.0027 643 ± 19 619 ± 26 613 ± 32 4.61 0.99 DF06-08_106 0.0653 0.000326 1.104 0.030 0.123 0.0033 784 ± 21 755 ± 29 746 ± 38 4.86 0.98 DF06-08_107 R 0.0663 0.000273 0.799 0.021 0.088 0.0023 815 ± 17 596 ± 24 541 ± 27 33.56 0.99 DF06-08_108 0.0655 0.000194 1.093 0.028 0.121 0.0031 790 ± 12 750 ± 27 737 ± 35 6.60 0.99 DF06-08_109 0.0637 0.000426 1.006 0.028 0.114 0.0031 732 ± 28 707 ± 28 699 ± 36 4.46 0.97 DF06-08_110 0.0914 0.000352 2.966 0.083 0.235 0.0066 1454 ± 15 1399 ± 42 1364 ± 68 6.13 0.99 DF06-08_111 0.0740 0.000256 1.715 0.046 0.168 0.0045 1042 ± 14 1014 ± 34 1002 ± 49 3.79 0.99 R denotes samples removed due to high error and/or discordance. * 235 U values calculated from measured 238 U 117

Table 4-27. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF09-26 from the Northern Zone, Congo Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age T (Int)* Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF09-26_5 0.28243 9.8E-06 0.00072 0.57 1.13 1114.0 0.282074 11.9 1100 0.282083 11.6 12.9 DF09-26_10 0.28256 8.7E-06 0.00145 0.36 0.97 771.5 0.282290 8.6 1100 0.282083 16.0 24.0 DF09-26_12 0.28235 1.1E-05 0.00090 0.70 1.24 1082.5 0.282094 8.3 1100 0.282083 8.7 15.7 DF09-26_13 0.28237 9.0E-06 0.00073 0.66 1.21 971.9 0.282164 6.7 1100 0.282083 9.6 11.9 DF09-26_17 R 0.28243 1.0E-05 0.00091 0.56 1.13 0.282772-12.1 1100 0.282083 12.3 15.0 DF09-26_22 0.28262 7.8E-06 0.00102 0.25 0.86 641.9 0.282372 8.4 1100 0.282083 18.6 16.7 DF09-26_23 0.28247 1.2E-05 0.00128 0.50 1.08 1114.0 0.282074 13.1 1100 0.282083 12.8 20.7 DF09-26_24 0.28235 9.7E-06 0.00150 0.72 1.27 1140.0 0.282058 9.0 1100 0.282083 8.1 23.9 DF09-26_36 0.28257 1.2E-05 0.00088 0.34 0.93 680.9 0.282347 7.5 1100 0.282083 16.8 14.3 DF09-26_39 R 0.28221 1.1E-05 0.00215 0.95 1.48 0.282772-19.7 1100 0.282083 4.6 31.7 DF09-26_42 0.28244 1.0E-05 0.00061 0.54 1.11 610.7 0.282391 1.4 1100 0.282083 12.4 11.4 DF09-26_43 R 0.28224 7.7E-06 0.00138 0.90 1.42 0.282772-19.0 1100 0.282083 5.4 22.2 DF09-26_44 0.28246 1.0E-05 0.00097 0.52 1.09 910.4 0.282203 8.5 1100 0.282083 12.7 16.6 DF09-26_45 R 0.28260 7.7E-06 0.00094 0.29 0.89 0.282772-6.2 1100 0.282083 18.2 16.1 DF09-26_50 0.28225 1.0E-05 0.00170 0.88 1.41 898.2 0.282211 0.3 1100 0.282083 4.8 22.9 DF09-26_53 0.28181 8.1E-06 0.00129 1.59 2.01 1755.5 0.281666 3.6 1100 0.282083-11.2 21.1 DF09-26_54 R 0.28242 8.7E-06 0.00112 0.59 1.15 0.282772-12.6 1100 0.282083 11.8 19.3 DF09-26_61 0.28231 6.6E-06 0.00145 0.77 1.31 938.1 0.282185 3.5 1100 0.282083 7.1 23.4 DF09-26_64 0.28152 8.7E-06 0.00080 2.03 2.38 1874.5 0.281590-3.6 1100 0.282083-21.0 12.6 DF09-26_65 0.28231 6.7E-06 0.00094 0.76 1.30 1008.0 0.282141 5.3 1100 0.282083 7.4 15.4 DF09-26_71 R 0.28141 8.3E-06 0.00179 2.27 2.60 0.282772-48.1 n/a n/a n/a 21.9 DF09-26_72 R 0.28254 8.4E-06 0.00091 0.39 0.98 0.282772-8.3 1100 0.282083 16.1 15.1 DF09-26_74 0.28234 9.9E-06 0.00066 0.71 1.25 1092.5 0.282088 8.3 1100 0.282083 8.4 12.2 DF09-26_75 0.28244 1.1E-05 0.00112 0.55 1.12 692.9 0.282340 3.1 1100 0.282083 12.2 19.8 118

Table 4-28. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF09-30 from the Northern Zone, Congo Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age T (Int)* Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF09-30_1 0.28171 1.2E-05 0.00180 1.78 2.18 1823.5 0.281622 1.0 1820 0.281624 0.9 25.8 DF09-30_3 R 0.28203 1.0E-05 0.00205 1.25 1.73 0.282772-26.1 1480 0.281842 6.8 31.0 DF09-30_4 0.28135 8.1E-06 0.00095 2.31 2.62 1994.0 0.281513-7.1 2070 0.281464-5.4 16.6 DF09-30_6 0.28204 1.2E-05 0.00079 1.20 1.67 1381.0 0.281905 4.0 1400 0.281893 4.4 11.9 DF09-30_12 R 0.28168 9.1E-06 0.00100 1.78 2.17 0.282772-38.5 1740 0.281676 0.3 16.6 DF09-30_13 R 0.28186 9.2E-06 0.00067 1.48 1.91 0.282772-32.3 1480 0.281842 0.6 12.1 DF09-30_14 R 0.28130 5.6E-06 0.00074 2.38 2.68 0.282772-52.2 2070 0.281464-6.0 12.9 DF09-30_15 0.28131 8.2E-06 0.00090 2.37 2.67 1994.0 0.281513-8.3 2070 0.281464-6.6 15.4 DF09-30_18 R 0.28160 7.7E-06 0.00106 1.91 2.28 0.282772-41.3 2070 0.281464 5.0 18.2 DF09-30_20 0.28129 9.0E-06 0.00080 2.40 2.70 1994.0 0.281513-9.0 2070 0.281464-7.3 14.6 DF09-30_22 R 0.28157 1.7E-05 0.00132 1.98 2.35 0.282772-42.5 2070 0.281464 3.8 22.6 DF09-30_23 0.28135 1.2E-05 0.00108 2.33 2.64 1994.0 0.281513-7.4 2070 0.281464-5.7 18.2 DF09-30_24 R 0.28163 7.9E-06 0.00106 1.88 2.25 0.282772-40.5 1480 0.281842-7.7 18.0 DF09-30_26 R 0.28133 8.7E-06 0.00078 2.33 2.64 0.282772-51.0 2070 0.281464-4.7 14.0 DF09-30_27 R 0.28130 4.7E-06 0.00118 2.41 2.71 0.282772-52.2 2070 0.281464-6.0 20.3 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 119

Table 4-29. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF09-43 from the Central Zone, Congo Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age T (Int)* Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF09-43_3 0.28166 1.9E-05 0.00084 1.80 2.19 1031.5 0.282126-17.0 1045 0.282118-16.7 8.8 DF09-43_4 0.28170 1.5E-05 0.00070 1.73 2.12 1028.5 0.282128-15.5 1045 0.282118-15.2 6.2 DF09-43_8 R 0.28162 1.9E-05 0.00082 1.88 2.25 0.282772-40.9 1045 0.282118-17.8 8.9 DF09-43_10 0.28160 2.0E-05 0.00124 1.93 2.30 1036.0 0.282124-19.5 1045 0.282118-19.3 12.7 DF09-43_21 0.28150 3.6E-05 0.00129 2.09 2.44 1055.5 0.282111-22.5 1045 0.282118-22.7 12.8 DF09-43_27 0.28164 1.6E-05 0.00134 1.87 2.24 1036.0 0.282124-18.0 1045 0.282118-17.8 13.5 DF09-43_28 0.28176 1.9E-05 0.00154 1.69 2.10 1041.0 0.282120-14.0 1045 0.282118-13.9 14.8 DF09-43_29 0.28167 1.6E-05 0.00096 1.80 2.18 1043.5 0.282119-16.5 1045 0.282118-16.5 10.0 DF09-43_30 0.28170 1.7E-05 0.00102 1.76 2.15 1036.5 0.282123-15.8 1045 0.282118-15.6 10.8 DF09-43_37 0.28172 1.7E-05 0.00102 1.73 2.13 1043.5 0.282119-15.0 1045 0.282118-15.0 9.9 DF09-43_39 0.28177 2.6E-05 0.00117 1.65 2.06 1033.5 0.282125-13.5 1045 0.282118-13.2 11.9 DF09-43_41 0.28162 1.4E-05 0.00133 1.90 2.27 1036.0 0.282124-18.7 1045 0.282118-18.5 13.8 DF09-43_47 R 0.28171 1.0E-05 0.00062 1.72 2.11 0.282772-37.6 n/a n/a n/a 6.9 DF09-43_48 0.28173 1.5E-05 0.00091 1.70 2.10 513.6 0.282452-25.9 515 0.282451-25.9 9.7 DF09-43_49 0.28169 1.4E-05 0.00091 1.76 2.15 1036.0 0.282124-15.9 1045 0.282118-15.7 8.6 DF09-43_50 0.28171 1.2E-05 0.00104 1.75 2.14 1028.0 0.282129-15.7 1045 0.282118-15.3 10.9 DF09-43_52 0.28169 2.0E-05 0.00073 1.76 2.15 1024.5 0.282131-16.3 1045 0.282118-15.8 8.2 DF09-43_57 0.28183 2.6E-05 0.00137 1.56 1.98 1036.0 0.282124-11.3 1045 0.282118-11.1 14.0 DF09-43_60 0.28171 1.3E-05 0.00078 1.72 2.12 1016.0 0.282136-15.6 1045 0.282118-14.9 8.6 DF09-43_66 0.28151 2.5E-05 0.00064 2.04 2.39 1022.5 0.282132-22.5 1045 0.282118-22.0 7.1 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 120

Table 4-30. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF09-44 from the Central Zone, Congo Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age T (Int)* Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF09-44_2 0.28150 1.6E-05 0.00049 2.04 2.39 1057.0 0.282110-21.9 1060 0.282108-21.9 5.9 DF09-44_3 0.28157 3.0E-05 0.00050 1.94 2.30 1022.5 0.282132-20.4 1045 0.282118-19.9 5.6 DF09-44_4 0.28158 2.0E-05 0.00038 1.90 2.27 1036.5 0.282123-19.4 1045 0.282118-19.2 4.2 DF09-44_10 0.28165 2.0E-05 0.00063 1.82 2.20 1057.0 0.282110-16.9 1060 0.282108-16.8 7.4 DF09-44_15 0.28161 2.1E-05 0.00075 1.88 2.25 1024.0 0.282131-18.9 1045 0.282118-18.5 6.7 DF09-44_21 0.28157 1.8E-05 0.00051 1.94 2.30 1027.5 0.282129-20.2 1045 0.282118-19.8 5.6 DF09-44_26 0.28159 1.9E-05 0.00143 1.96 2.32 1057.0 0.282110-19.5 1045 0.282118-19.7 11.0 DF09-44_27 0.28153 2.0E-05 0.00101 2.03 2.39 1057.0 0.282110-21.4 1060 0.282108-21.4 7.8 DF09-44_31 0.28155 1.8E-05 0.00036 1.96 2.32 1007.0 0.282142-21.4 1045 0.282118-20.6 3.9 DF09-44_33 0.28160 2.1E-05 0.00072 1.90 2.27 1033.5 0.282125-19.1 1045 0.282118-18.9 8.0 DF09-44_35 0.28163 1.8E-05 0.00071 1.85 2.23 1040.0 0.282121-18.0 1045 0.282118-17.9 6.8 DF09-44_40 0.28157 2.3E-05 0.00086 1.96 2.32 1057.0 0.282110-19.9 1060 0.282108-19.8 7.5 DF09-44_48 0.28149 2.5E-05 0.00040 2.06 2.40 1065.0 0.282105-22.2 1045 0.282118-22.6 4.4 DF09-44_49 0.28150 1.9E-05 0.00051 2.04 2.39 1059.5 0.282109-21.9 1045 0.282118-22.2 5.9 DF09-44_50 0.28165 2.2E-05 0.00057 1.81 2.19 1057.0 0.282110-16.8 1060 0.282108-16.7 6.1 DF09-44_51 0.28160 2.1E-05 0.00110 1.92 2.29 1016.5 0.282136-19.8 1045 0.282118-19.2 11.3 DF09-44_53 0.28150 2.0E-05 0.00062 2.05 2.40 2078.0 0.281459 0.5 2080 0.281457 0.6 5.9 DF09-44_56 0.28158 2.3E-05 0.00070 1.93 2.29 1022.5 0.282132-20.0 1045 0.282118-19.5 8.1 DF09-44_57 0.28142 2.7E-05 0.00074 2.19 2.52 2046.0 0.281479-3.2 2080 0.281457-2.4 8.3 DF09-44_60 0.28162 1.4E-05 0.00061 1.86 2.23 1016.0 0.282136-18.6 1045 0.282118-18.0 6.5 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 121

Table 4-31. Lu-Hf (MC-ICP-MS) analysis corrected results for sample CZ29 from the Central Zone, Congo Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age T (Int)* Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr CZ29_1 0.28173 1.2E-05 0.00056 1.69 2.09 1026.0 0.282130-14.7 1030 0.282127-14.6 6.9 CZ29_2 0.28164 1.7E-05 0.00029 1.82 2.19 1010.0 0.282140-18.1 1005 0.282143-18.2 4.1 CZ29_3 0.28142 1.6E-05 0.00042 2.17 2.50 2031.0 0.281489-3.1 2020 0.281496-3.3 6.7 CZ29_6 0.28179 1.2E-05 0.00096 1.60 2.02 1024.0 0.282131-12.6 1005 0.282143-13.1 13.3 CZ29_8 R 0.28153 2.2E-05 0.00198 2.09 2.44 0.282772-43.9 n/a n/a n/a 26.0 CZ29_9 R 0.28172 1.5E-05 0.00105 1.72 2.12 0.282772-37.1 1030 0.282127-14.3 16.1 CZ29_10 R 0.28169 1.1E-05 0.00070 1.75 2.14 0.282772-38.3 1030 0.282127-15.5 9.0 CZ29_12 0.28143 1.8E-05 0.00079 2.17 2.50 2030.0 0.281490-3.1 2020 0.281496-3.3 12.0 CZ29_13 R 0.28141 1.7E-05 0.00063 2.20 2.53 0.282772-48.3 2020 0.281496-3.2 9.6 CZ29_14 R 0.28193 3.5E-05 0.00037 1.35 1.80 0.282772-29.7 n/a n/a n/a 5.5 CZ29_15 R 0.28177 1.3E-05 0.00126 1.65 2.06 0.282772-35.4 1030 0.282127-12.7 17.3 CZ29_16 0.28170 1.5E-05 0.00100 1.75 2.14 1026.0 0.282130-15.8 1030 0.282127-15.7 14.7 CZ29_17 0.28173 1.6E-05 0.00071 1.69 2.09 1026.0 0.282130-14.7 1030 0.282127-14.6 10.9 CZ29_18 R 0.28173 1.8E-05 0.00046 1.68 2.08 0.282772-37.0 1030 0.282127-14.2 6.1 CZ29_19 R 0.28174 1.7E-05 0.00063 1.68 2.08 0.282772-36.7 1005 0.282143-14.5 10.2 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 122

Table 4-32. Lu-Hf (MC-ICP-MS) analysis corrected results for sample CZ53b from the Central Zone, Congo Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age T (Int)* Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr CZ53b_1 R 0.28230 1.2E-05 0.00137 0.78 1.32 0.282772-16.6 n/a n/a n/a 19.9 CZ53b_2 R 0.28244 1.3E-05 0.00189 0.56 1.14 0.282772-11.6 n/a n/a n/a 25.9 CZ53b_3 R 0.28239 1.1E-05 0.00092 0.64 1.19 0.282772-13.7 n/a n/a n/a 13.7 CZ53b_4 R 0.28236 1.4E-05 0.00101 0.68 1.23 0.282772-14.6 n/a n/a n/a 15.4 CZ53b_6 R 0.28206 1.8E-05 0.00084 1.16 1.64 0.282772-25.1 n/a n/a n/a 13.4 CZ53b_9 R 0.28163 1.8E-05 0.00073 1.85 2.23 0.282772-40.4 n/a n/a n/a 11.1 CZ53b_11 0.28242 1.9E-05 0.00176 0.59 1.16 644.1 0.282370 1.1 830 0.282254 5.2 26.4 CZ53b_14 R 0.28252 1.3E-05 0.00131 0.42 1.01 0.282772-8.9 n/a n/a n/a 19.1 CZ53b_15 R 0.28217 1.4E-05 0.00295 1.06 1.58 0.282772-21.3 1060 0.282108 2.2 31.3 CZ53b_18 0.28247 9.8E-06 0.00169 0.52 1.10 636.2 0.282375 2.5 830 0.282254 6.8 25.6 CZ53b_19 R 0.28242 9.6E-06 0.00275 0.61 1.20 0.282772-12.4 n/a n/a n/a 37.0 CZ53b_21 0.28245 1.3E-05 0.00077 0.53 1.10 1003.0 0.282144 10.3 1170 0.282039 14.0 13.4 CZ53b_23 0.28255 1.7E-05 0.00113 0.36 0.96 672.0 0.282353 6.6 830 0.282254 10.1 17.1 CZ53b_24 0.28226 1.3E-05 0.00214 0.88 1.42 1126.5 0.282066 5.1 1170 0.282039 6.1 20.7 CZ53b_25 0.28258 1.1E-05 0.00138 0.33 0.93 690.4 0.282341 7.7 830 0.282254 10.8 17.4 CZ53b_27 0.28238 1.1E-05 0.00103 0.64 1.20 813.3 0.282264 3.7 830 0.282254 4.0 15.9 CZ53b_28 R 0.28234 1.2E-05 0.00189 0.73 1.28 0.282772-15.2 n/a n/a n/a 21.2 CZ53b_30 R 0.28243 1.3E-05 0.00097 0.57 1.13 0.282772-12.1 830 0.282254 6.2 17.0 CZ53b_32 0.28221 1.5E-05 0.00314 1.00 1.53 1037.5 0.282123 0.8 1170 0.282039 3.8 29.7 CZ53b_33 R 0.28236 1.0E-05 0.00181 0.70 1.25 0.282772-14.5 n/a n/a n/a 25.9 CZ53b_35 0.28252 2.1E-05 0.00258 0.45 1.05 759.5 0.282298 6.4 830 0.282254 8.0 28.1 CZ53b_36 R 0.28241 2.1E-05 0.00065 0.59 1.14 0.282772-12.7 830 0.282254 5.6 10.1 CZ53b_37 0.28242 1.7E-05 0.00071 0.57 1.13 702.6 0.282334 2.8 830 0.282254 5.6 12.0 CZ53b_39 0.28250 1.4E-05 0.00164 0.47 1.05 647.8 0.282368 3.8 830 0.282254 7.9 25.6 123

Table 4-32. Continued. CZ53b_40 0.28251 1.4E-05 0.00269 0.46 1.07 632.4 0.282378 3.5 830 0.282254 7.9 36.2 CZ53b_42 R 0.28260 1.4E-05 0.00151 0.29 0.90 0.282772-6.1 830 0.282254 12.2 21.7 CZ53b_43 0.28238 1.7E-05 0.00145 0.66 1.21 1105.0 0.282080 9.6 1170 0.282039 11.1 21.2 CZ53b_44 0.28252 1.2E-05 0.00183 0.43 1.02 653.4 0.282365 4.8 830 0.282254 8.7 28.0 CZ53b_47 0.28234 9.6E-06 0.00066 0.71 1.25 900.8 0.282209 4.2 1170 0.282039 10.2 10.6 CZ53b_48 0.28254 9.6E-06 0.00091 0.39 0.98 726.5 0.282319 7.2 830 0.282254 9.5 15.3 CZ53b_50 0.28242 1.6E-05 0.00154 0.60 1.17 772.4 0.282290 3.7 830 0.282254 5.0 22.6 CZ53b_51 0.28240 1.6E-05 0.00090 0.61 1.16 799.0 0.282273 4.2 830 0.282254 4.9 14.0 CZ53b_52 R 0.28233 1.8E-05 0.00210 0.75 1.31 0.282772-15.6 1060 0.282108 7.9 26.8 CZ53b_53 0.28254 2.1E-05 0.00077 0.39 0.98 656.4 0.282363 5.8 830 0.282254 9.6 11.2 CZ53b_56 0.28246 1.3E-05 0.00117 0.52 1.10 710.8 0.282328 4.0 830 0.282254 6.7 17.6 CZ53b_57 0.28236 1.7E-05 0.00106 0.68 1.23 1055.0 0.282112 8.1 1170 0.282039 10.7 16.0 CZ53b_59 0.28237 9.8E-06 0.00165 0.68 1.24 985.7 0.282155 6.4 1170 0.282039 10.6 21.6 CZ53b_60 0.28236 1.4E-05 0.00119 0.69 1.24 1083.5 0.282094 8.5 1170 0.282039 10.5 18.1 CZ53b_61 0.28236 1.8E-05 0.00339 0.73 1.31 772.8 0.282289 0.8 830 0.282254 2.1 41.4 CZ53b_62 0.28250 1.2E-05 0.00109 0.45 1.04 781.0 0.282284 7.0 830 0.282254 8.1 14.0 CZ53b_63 0.28171 1.4E-05 0.00095 1.74 2.13 1050.0 0.282115-15.1 1170 0.282039-12.4 14.8 CZ53b_66 0.28254 1.7E-05 0.00108 0.39 0.98 685.3 0.282345 6.3 830 0.282254 9.5 16.0 CZ53b_67 0.28213 1.9E-05 0.00054 1.04 1.53 1145.0 0.282055 2.4 1170 0.282039 2.9 9.6 CZ53b_68 R 0.28244 1.1E-05 0.00179 0.56 1.14 0.282772-11.7 n/a n/a n/a 24.1 CZ53b_72 0.28219 1.3E-05 0.00106 0.96 1.47 1049.0 0.282115 1.8 1170 0.282039 4.5 15.5 CZ53b_73 R 0.28229 1.3E-05 0.00130 0.81 1.34 0.282772-17.1 n/a n/a n/a 18.8 CZ53b_77 0.28250 1.1E-05 0.00316 0.49 1.10 1106.0 0.282079 12.4 1060 0.282108 11.4 31.4 CZ53b_78 0.28178 1.5E-05 0.00082 1.61 2.03 982.2 0.282158-13.9 1170 0.282039-9.7 12.9 CZ53b_79 0.28227 1.2E-05 0.00118 0.84 1.36 1090.0 0.282089 5.4 1170 0.282039 7.2 17.3 CZ53b_80 0.28229 8.9E-06 0.00229 0.84 1.38 1090.0 0.282089 5.3 1170 0.282039 7.1 30.5 CZ53b_83 0.28228 8.9E-06 0.00213 0.84 1.38 1038.5 0.282122 4.1 1170 0.282039 7.1 28.4 CZ53b_85 0.28174 1.9E-05 0.00019 1.65 2.05 1052.5 0.282113-13.4 1170 0.282039-10.8 3.7 CZ53b_86 0.28243 1.6E-05 0.00117 0.57 1.13 723.5 0.282320 3.4 830 0.282254 5.7 17.4 124

Table 4-32. Continued. CZ53b_87 0.28217 1.7E-05 0.00072 0.99 1.48 1055.0 0.282112 1.5 1170 0.282039 4.1 11.8 CZ53b_88 0.28212 1.7E-05 0.00098 1.08 1.57 1144.5 0.282055 1.4 1170 0.282039 2.0 15.2 CZ53b_94 0.28230 1.2E-05 0.00107 0.78 1.31 825.9 0.282256 1.1 830 0.282254 1.2 17.1 CZ53b_95 0.28256 1.3E-05 0.00096 0.35 0.95 697.7 0.282337 7.4 830 0.282254 10.4 14.9 CZ53b_96 0.28234 1.4E-05 0.00094 0.71 1.25 759.7 0.282298 1.1 830 0.282254 2.7 14.5 CZ53b_101 R 0.28256 1.7E-05 0.00137 0.36 0.96 0.282772-7.5 n/a n/a n/a 21.8 CZ53b_102 0.28243 1.4E-05 0.00063 0.56 1.12 746.3 0.282306 4.0 830 0.282254 5.8 10.5 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept Table 4-33. Lu-Hf (MC-ICP-MS) analysis corrected results for sample CZ35 from the Central Zone, Congo Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age T (Int)* Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr CZ35_1 0.28159 1.2E-05 0.00104 1.93 2.29 1339.0 0.281932-12.9 1370 0.281912-12.2 15.9 CZ35_3 0.28200 2.1E-05 0.00086 1.27 1.73 975.9 0.282162-6.3 1090 0.282089-3.8 12.0 CZ35_4 0.28228 1.2E-05 0.00089 0.81 1.34 986.4 0.282155 3.8 1090 0.282089 6.1 14.5 CZ35_8 0.28240 1.6E-05 0.00125 0.62 1.18 788.8 0.282279 3.7 825 0.282257 4.5 19.1 CZ35_10 0.28232 1.1E-05 0.00152 0.76 1.30 2023.5 0.281494 27.2 1370 0.281912 12.4 22.4 CZ35_11 0.28233 1.3E-05 0.00100 0.73 1.27 982.4 0.282157 5.5 1090 0.282089 7.9 15.0 CZ35_12 0.28173 1.3E-05 0.00142 1.72 2.13 1115.0 0.282074-13.2 1090 0.282089-13.7 20.9 CZ35_13 0.28255 1.7E-05 0.00464 0.41 1.06 728.6 0.282317 6.1 825 0.282257 8.2 49.9 CZ35_16 0.28235 9.2E-06 0.00146 0.71 1.26 775.3 0.282288 1.4 825 0.282257 2.5 22.1 CZ35_17 R 0.28246 1.6E-05 0.00104 0.51 1.08 0.282772-10.9 n/a n/a n/a 15.7 CZ35_19 0.28223 1.2E-05 0.00105 0.89 1.41 1085.0 0.282093 4.2 1090 0.282089 4.3 16.4 CZ35_21 0.28197 1.1E-05 0.00085 1.31 1.76 1093.0 0.282088-4.7 1090 0.282089-4.8 13.0 CZ35_22 0.28240 1.1E-05 0.00099 0.62 1.18 774.6 0.282288 3.3 825 0.282257 4.4 14.7 CZ35_25 0.28246 1.4E-05 0.00093 0.51 1.08 908.1 0.282204 8.6 1090 0.282089 12.7 12.2 CZ35_27 0.28240 2.2E-05 0.00043 0.61 1.16 1090.5 0.282089 10.6 1090 0.282089 10.6 6.3 125

Table 4-33. Continued. CZ35_28 0.28244 9.1E-06 0.00160 0.57 1.14 670.3 0.282354 2.2 825 0.282257 5.6 23.6 CZ35_29 R 0.28243 1.0E-05 0.00225 0.58 1.16 0.282772-12.0 825 0.282257 6.3 29.1 CZ35_31 0.28206 1.4E-05 0.00051 1.16 1.63 700.4 0.282335-10.1 825 0.282257-7.3 8.2 CZ35_32 0.28230 1.4E-05 0.00073 0.78 1.31 1091.5 0.282088 6.9 1090 0.282089 6.9 11.8 CZ35_34 0.28232 1.2E-05 0.00121 0.75 1.29 736.5 0.282312-0.3 825 0.282257 1.7 18.1 CZ35_39 0.28244 1.1E-05 0.00166 0.57 1.14 696.5 0.282337 2.7 825 0.282257 5.6 23.9 CZ35_40 R 0.28141 1.4E-05 0.00101 2.23 2.55 0.282772-48.3 n/a n/a n/a 14.7 CZ35_43 0.28230 1.1E-05 0.00134 0.79 1.33 1055.5 0.282111 5.6 1090 0.282089 6.4 18.8 CZ35_44 0.28246 1.5E-05 0.00120 0.52 1.09 756.8 0.282300 5.1 825 0.282257 6.7 18.3 CZ35_46 0.28206 1.8E-05 0.00093 1.17 1.64 1063.0 0.282107-2.2 1090 0.282089-1.6 14.0 CZ35_48 0.28240 1.4E-05 0.00154 0.62 1.19 1069.5 0.282102 9.5 1090 0.282089 9.9 20.2 CZ35_49 0.28250 1.1E-05 0.00195 0.47 1.06 733.4 0.282314 5.5 825 0.282257 7.5 28.4 CZ35_51 0.28251 1.3E-05 0.00085 0.43 1.01 828.3 0.282255 8.6 825 0.282257 8.6 12.3 CZ35_52 0.28242 1.3E-05 0.00088 0.58 1.14 628.5 0.282380 1.1 825 0.282257 5.5 14.2 CZ35_53 0.28224 2.1E-05 0.00074 0.87 1.39 1096.0 0.282086 4.9 1090 0.282089 4.8 12.1 CZ35_55 0.28217 1.8E-05 0.00167 1.01 1.52 1122.0 0.282069 2.4 1090 0.282089 1.6 26.0 CZ35_56 0.28255 1.7E-05 0.00090 0.38 0.97 670.4 0.282354 6.4 825 0.282257 9.8 13.1 CZ35_57 0.28242 1.7E-05 0.00139 0.59 1.16 798.9 0.282273 4.4 825 0.282257 4.9 18.2 CZ35_61 0.28233 9.0E-06 0.00122 0.74 1.28 1007.5 0.282142 5.8 1090 0.282089 7.6 18.1 CZ35_62 0.28259 1.6E-05 0.00156 0.31 0.92 638.9 0.282374 6.9 825 0.282257 11.0 22.2 CZ35_64 0.28246 1.4E-05 0.00102 0.52 1.09 1018.0 0.282135 10.8 1090 0.282089 12.4 13.4 CZ35_65 R 0.28260 2.0E-05 0.00185 0.29 0.91 0.282772-6.0 825 0.282257 12.2 25.7 CZ35_68 0.28238 1.5E-05 0.00231 0.68 1.25 756.5 0.282300 1.5 825 0.282257 3.0 29.9 CZ35_70 0.28246 1.5E-05 0.00107 0.51 1.09 831.2 0.282253 6.8 825 0.282257 6.7 15.0 CZ35_72 0.28234 1.8E-05 0.00067 0.71 1.25 691.2 0.282341-0.4 825 0.282257 2.5 10.8 CZ35_75 0.28249 9.3E-06 0.00099 0.46 1.04 665.3 0.282357 4.4 825 0.282257 7.9 14.3 CZ35_79 0.28236 1.5E-05 0.00084 0.68 1.23 1046.0 0.282117 7.9 1090 0.282089 8.9 10.8 CZ35_82 0.28236 1.8E-05 0.00100 0.68 1.23 1054.0 0.282112 8.0 1090 0.282089 8.8 17.2 CZ35_85 0.28243 1.7E-05 0.00333 0.61 1.21 1014.5 0.282137 8.1 1090 0.282089 9.8 36.2 126

Table 4-33. Continued. CZ35_86 0.28247 1.6E-05 0.00144 0.50 1.08 728.4 0.282317 4.8 825 0.282257 7.0 22.0 CZ35_89 0.28230 1.6E-05 0.00127 0.78 1.32 744.2 0.282308-0.8 825 0.282257 1.0 18.7 CZ35_93 0.28237 1.5E-05 0.00266 0.70 1.27 750.4 0.282304 1.1 825 0.282257 2.8 27.9 CZ35_94 0.28210 1.4E-05 0.00087 1.11 1.59 1092.0 0.282088-0.3 1090 0.282089-0.4 13.8 CZ35_95 0.28248 1.6E-05 0.00188 0.50 1.09 1014.0 0.282137 10.7 1090 0.282089 12.4 23.9 CZ35_102 0.28245 2.5E-05 0.00287 0.56 1.16 821.4 0.282259 5.3 825 0.282257 5.4 23.6 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept Table 4-34. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF06-22 from the Southern Zone, Congo Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) U-Pb Age T (Int)* 176 Lu/ 177 Hf measur ed Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF06-22_2 0.28156 1.7E-05 0.00033 1.94 2.30 2001.5 0.281508 1.3 1970 0.281528 0.6 4.5 DF06-22_3 0.28133 1.5E-05 0.00039 2.30 2.61 1967.5 0.281530-7.5 1970 0.281528-7.5 5.5 DF06-22_4 0.28249 3.1E-05 0.00068 0.46 1.03 731.3 0.282316 5.9 730 0.282316 5.9 9.4 DF06-22_5 0.28183 9.6E-05 0.00147 1.57 2.00 972.9 0.282163-12.9 970 0.282165-12.9 12.3 DF06-22_8 R 0.28932 6.6E-03 0.01231-20.14-14.31 0.282772 231.5 n/a n/a n/a 63.6 DF06-22_9 0.28162 3.0E-05 0.00134 1.90 2.28 1986.0 0.281518 1.9 1970 0.281528 1.5 16.7 DF06-22_10 R 0.27869 2.0E-03 0.00122 6.44 6.18 0.282772-144.5 n/a n/a n/a 15.0 DF06-22_12 0.27958 1.4E-03 0.00092 5.05 4.99 2539.0 0.281160-57.9 2540 0.281160-57.8 9.7 DF06-22_16 0.28155 2.8E-05 0.00194 2.06 2.42 1981.0 0.281521-1.7 2060 0.281470 0.1 23.1 DF06-22_17 R 0.28162 1.8E-05 0.00099 1.88 2.25 0.282772-40.6 2060 0.281470 5.5 12.9 DF06-22_18 0.28160 2.4E-04 0.00109 1.93 2.30 1981.0 0.281521 1.2 2060 0.281470 3.0 14.9 DF06-22_19 R 0.28155 9.5E-06 0.00095 1.99 2.35 0.282772-43.1 2060 0.281470 2.9 11.2 DF06-22_20 0.28281 1.1E-05 0.00554-0.07 0.68 517.9 0.282449 10.8 520 0.282448 10.9 30.5 DF06-22_21 0.28193 1.9E-05 0.00137 1.41 1.85 1981.0 0.281521 12.5 2060 0.281470 14.3 16.7 DF06-22_22 R 0.28111 1.8E-05 0.00156 2.75 3.00 0.282772-58.9 2700 0.281056 1.8 14.8 127

Table 4-34. Continued. DF06-22_23 0.28151 1.9E-05 0.00075 2.05 2.39 1981.0 0.281521-1.4 2060 0.281470 0.4 9.6 DF06-22_24 R 0.28105 3.1E-05 0.00083 2.78 3.03 0.282772-61.0 2700 0.281056-0.3 8.1 DF06-22_25 R 0.28207 1.6E-03 0.00145 1.17 1.65 0.282772-24.8 2700 0.281056 36.1 14.5 DF06-22_26 R 0.28221 2.4E-05 0.00237 0.97 1.49 0.282772-19.8 1350 0.281925 10.2 21.7 DF06-22_27 R 0.28175 1.7E-05 0.00372 1.83 2.24 0.282772-36.1 2700 0.281056 24.7 38.0 DF06-22_28 R 0.28177 3.5E-05 0.00117 1.65 2.06 0.282772-35.5 2060 0.281470 10.6 16.1 DF06-22_29 0.28103 1.3E-05 0.00194 2.91 3.14 2979.5 0.280873 1.6 2980 0.280873 1.6 18.3 DF06-22_30 R 0.28168 1.3E-05 0.00070 1.77 2.16 0.282772-38.7 2060 0.281470 7.3 9.0 DF06-22_31 0.28246 1.3E-05 0.00073 0.51 1.07 637.5 0.282375 2.9 640 0.282373 2.9 10.6 DF06-22_32 R 0.28238 1.2E-05 0.00200 0.67 1.23 0.282772-13.8 1350 0.281925 16.2 25.3 DF06-22_33 R 0.28179 3.5E-05 0.00101 1.61 2.02 0.282772-34.7 2060 0.281470 11.4 12.5 DF06-22_34 R 0.28128 1.7E-05 0.00092 2.43 2.72 0.282772-52.9 2060 0.281470-6.9 13.4 DF06-22_35 0.28160 1.7E-05 0.00113 1.92 2.29 1981.0 0.281521 1.3 2060 0.281470 3.1 14.5 DF06-22_38 R 0.28121 3.0E-05 0.00215 2.62 2.90 0.282772-55.1 2700 0.281056 5.6 20.7 DF06-22_39 0.28149 3.8E-04 0.00248 2.19 2.53 2130.0 0.281425-1.2 2130 0.281425-1.2 23.4 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept Table 4-35. Lu-Hf (MC-ICP-MS) analysis corrected results for sample SZ13 from the Southern Zone, Congo Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) U-Pb Age T (Int)* 176 Lu/ 177 Hf measur ed Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr SZ13_1 R 0.28250 1.5E-05 0.00093 0.45 1.03 0.282772-9.6 n/a n/a n/a 12.8 SZ13_2 0.28207 1.4E-05 0.00125 1.17 1.65 985.5 0.282155-4.0 1120 0.282070-1.0 16.2 SZ13_3 0.28208 1.6E-05 0.00087 1.14 1.62 1061.5 0.282107-1.8 1120 0.282070-0.5 12.0 SZ13_4 0.28255 2.0E-05 0.00107 0.37 0.97 799.8 0.282273 9.2 770 0.282291 8.5 13.7 SZ13_5 0.28257 3.5E-05 0.00115 0.34 0.94 1411.0 0.281886 23.0 1010 0.282140 14.0 15.1 128

Table 4-35. Continued. SZ13_6 0.28237 2.1E-05 0.00110 0.67 1.22 819.5 0.282260 3.1 770 0.282291 2.0 14.1 SZ13_7 R 0.28250 1.8E-05 0.00179 0.47 1.06 0.282772-9.8 n/a n/a n/a 20.6 SZ13_8 0.28221 1.0E-05 0.00072 0.93 1.43 681.9 0.282347-5.3 770 0.282291-3.4 9.3 SZ13_9 R 0.28144 1.1E-05 0.00066 2.15 2.49 0.282772-47.2 n/a n/a n/a 8.5 SZ13_10a R 0.28256 1.2E-05 0.00060 0.34 0.93 0.282772-7.4 n/a n/a n/a 7.7 SZ13_12 R 0.28255 4.8E-05 0.00142 0.37 0.97 0.282772-7.8 n/a n/a n/a 21.1 SZ13_13 0.28247 1.2E-05 0.00152 0.51 1.09 751.2 0.282303 5.2 770 0.282291 5.6 16.5 SZ13_14 0.28258 2.6E-05 0.00155 0.33 0.93 757.9 0.282299 9.1 770 0.282291 9.4 16.3 SZ13_16 R 0.28249 3.2E-05 0.00080 0.46 1.04 0.282772-9.9 n/a n/a n/a 11.0 SZ13_17 R 0.28235 1.4E-05 0.00116 0.70 1.24 0.282772-14.8 1010 0.282140 7.5 14.9 SZ13_18 R 0.28258 2.2E-05 0.00183 0.33 0.94 0.282772-6.8 n/a n/a n/a 23.1 SZ13_19 R 0.28164 2.5E-05 0.00154 1.88 2.26 0.282772-40.0 n/a n/a n/a 18.0 SZ13_20 R 0.28160 3.2E-05 0.00205 1.97 2.34 0.282772-41.3 n/a n/a n/a 18.6 SZ13_21 0.28238 1.5E-05 0.00166 0.67 1.23 1092.5 0.282088 9.0 1120 0.282070 9.6 21.4 SZ13_22 0.28250 1.4E-05 0.00116 0.45 1.04 713.1 0.282327 5.6 770 0.282291 6.8 15.6 SZ13_23 R 0.28258 1.3E-05 0.00099 0.32 0.92 0.282772-6.8 1010 0.282140 15.6 13.6 SZ13_24 0.28253 1.3E-05 0.00113 0.40 0.99 670.8 0.282354 5.8 770 0.282291 8.0 15.0 SZ13_25 0.28219 2.5E-05 0.00049 0.94 1.44 1411.0 0.281886 10.4 1335 0.281934 8.7 5.7 SZ13_26 0.28223 1.5E-05 0.00076 0.90 1.41 677.9 0.282349-4.7 770 0.282291-2.7 9.1 SZ13_27 0.28230 1.8E-05 0.00148 0.79 1.33 1411.0 0.281886 13.3 1335 0.281934 11.5 14.8 SZ13_28 0.28199 2.5E-05 0.00105 1.28 1.74 997.0 0.282148-6.2 1120 0.282070-3.5 12.4 SZ13_29 0.28256 1.2E-05 0.00119 0.36 0.96 681.0 0.282347 6.9 770 0.282291 8.8 14.5 SZ13_30 0.28238 1.1E-05 0.00138 0.66 1.21 963.4 0.282169 6.5 1120 0.282070 10.1 17.7 SZ13_31 0.28227 1.1E-05 0.00143 0.84 1.37 1411.0 0.281886 12.3 1335 0.281934 10.6 18.0 SZ13_34 0.28142 1.2E-05 0.00089 2.20 2.52 1883.0 0.281584-7.0 1880 0.281586-7.0 11.6 SZ13_35 R 0.28221 1.5E-05 0.00049 0.92 1.43 0.282772-20.1 n/a n/a n/a 7.3 SZ13_36 0.28246 1.6E-05 0.00117 0.52 1.10 780.8 0.282284 5.5 770 0.282291 5.3 15.3 SZ13_42 0.28249 2.2E-05 0.00223 0.49 1.08 656.8 0.282362 3.5 770 0.282291 6.0 22.1 129

Table 4-35. Continued. SZ13_44 0.28260 1.9E-05 0.00183 0.30 0.92 750.8 0.282303 9.5 770 0.282291 9.9 21.5 SZ13_46 R 0.28252 1.5E-05 0.00127 0.42 1.01 0.282772-8.9 1010 0.282140 13.5 15.9 SZ13_48 0.28259 2.1E-05 0.00152 0.31 0.92 684.6 0.282345 7.9 770 0.282291 9.8 18.3 SZ13_49 R 0.28263 3.1E-05 0.00073 0.23 0.84 0.282772-5.0 1010 0.282140 17.4 10.9 SZ13_51 0.28256 5.3E-05 0.00022 0.34 0.92 591.0 0.282404 5.5 770 0.282291 9.5 3.1 SZ13_52 R 0.28098 2.2E-05 0.00045 2.86 3.09 0.282772-63.4 n/a n/a n/a 5.9 SZ13_53 0.28239 1.7E-05 0.00175 0.65 1.21 898.9 0.282210 5.3 1120 0.282070 10.3 21.3 SZ13_54 0.28251 2.2E-05 0.00096 0.43 1.01 607.2 0.282393 3.8 770 0.282291 7.4 13.3 SZ13_56 R 0.28229 2.2E-05 0.00088 0.79 1.32 0.282772-17.0 n/a n/a n/a 12.1 SZ13_57 0.28256 1.4E-05 0.00154 0.36 0.96 1034.5 0.282125 14.3 1120 0.282070 16.2 19.6 SZ13_58 0.28249 1.5E-05 0.00114 0.48 1.06 634.3 0.282377 3.4 770 0.282291 6.4 15.6 SZ13_59 R 0.28236 2.0E-05 0.00092 0.67 1.22 0.282772-14.5 1335 0.281934 15.2 12.9 SZ13_62 R 0.28250 1.1E-05 0.00175 0.46 1.05 0.282772-9.5 n/a n/a n/a 23.0 SZ13_63 0.28240 2.8E-05 0.00092 0.62 1.18 953.5 0.282176 7.2 1120 0.282070 10.9 11.6 SZ13_64 R 0.28202 1.1E-05 0.00056 1.22 1.68 0.282772-26.6 1010 0.282140-4.3 8.0 SZ13_66 R 0.28187 2.4E-05 0.00200 1.53 1.97 0.282772-32.0 n/a n/a n/a 18.3 SZ13_68 R 0.28228 1.3E-05 0.00110 0.81 1.34 0.282772-17.3 1335 0.281934 12.3 15.4 SZ13_69 R 0.28201 1.5E-05 0.00045 1.24 1.70 0.282772-27.1 n/a n/a n/a 7.9 SZ13_70 R 0.28239 1.3E-05 0.00076 0.63 1.18 0.282772-13.6 1010 0.282140 8.8 10.1 SZ13_71 R 0.28249 1.8E-05 0.00161 0.47 1.06 0.282772-9.9 n/a n/a n/a 21.8 SZ13_72 R 0.28221 1.8E-05 0.00139 0.93 1.45 0.282772-19.7 1335 0.281934 9.9 18.1 SZ13_73 0.28164 4.1E-05 0.00144 1.87 2.25 2043.0 0.281481 3.8 2045 0.281480 3.8 14.4 SZ13_74 0.28258 2.2E-05 0.00285 0.33 0.96 664.8 0.282357 6.8 770 0.282291 9.1 25.1 SZ13_76 R 0.28233 3.5E-05 0.00170 0.75 1.30 0.282772-15.8 n/a n/a n/a 18.7 SZ13_77 0.28229 1.9E-05 0.00007 0.77 1.29 693.0 0.282340-1.8 770 0.282291 0.0 1.3 SZ13_78 R 0.28093 1.9E-05 0.00111 2.98 3.20 0.282772-65.0 n/a n/a n/a 14.0 SZ13_79 R 0.28211 4.7E-05 0.00260 1.15 1.65 0.282772-23.6 n/a n/a n/a 23.4 130

Table 4-35. Continued. SZ13_80 0.28228 1.8E-05 0.00168 0.83 1.36 1411.0 0.281886 12.4 1335 0.281934 10.7 21.4 SZ13_82 R 0.28104 2.7E-05 0.00068 2.78 3.03 0.282772-61.4 n/a n/a n/a 7.2 SZ13_87 R 0.28247 1.8E-05 0.00042 0.49 1.05 0.282772-10.6 1010 0.282140 11.8 6.1 SZ13_89 0.28240 2.6E-05 0.00163 0.63 1.20 1411.0 0.281886 16.6 1335 0.281934 14.8 20.6 SZ13_91 R 0.28100 1.6E-05 0.00090 2.86 3.10 0.282772-62.7 n/a n/a n/a 12.9 SZ13_94 0.28233 2.6E-05 0.00158 0.74 1.29 1411.0 0.281886 14.4 1335 0.281934 12.6 17.1 SZ13_96 0.28242 9.4E-06 0.00150 0.59 1.16 757.0 0.282299 3.5 770 0.282291 3.8 19.4 SZ13_97 0.28229 1.9E-05 0.00080 0.79 1.32 1078.5 0.282097 6.2 1120 0.282070 7.2 11.4 SZ13_98 R 0.28248 1.6E-05 0.00095 0.48 1.06 0.282772-10.4 1010 0.282140 12.0 11.9 SZ13_99 0.28207 1.6E-05 0.00129 1.17 1.65 941.6 0.282183-4.8 1120 0.282070-0.8 15.2 SZ13_100 0.28227 2.4E-05 0.00061 0.82 1.34 690.3 0.282341-2.9 770 0.282291-1.1 9.7 SZ13_101 R 0.28227 2.5E-05 0.00154 0.84 1.38 0.282772-17.8 n/a n/a n/a 19.0 SZ13_102 R 0.28240 2.1E-05 0.00132 0.62 1.18 0.282772-13.2 n/a n/a n/a 18.7 SZ13_103 R 0.28252 3.0E-05 0.00066 0.42 1.00 0.282772-9.1 1010 0.282140 13.3 9.4 SZ13_105 0.28253 4.6E-05 0.00049 0.40 0.98 623.5 0.282383 5.0 770 0.282291 8.2 5.3 SZ13_106 0.28238 2.2E-05 0.00106 0.65 1.20 768.4 0.282292 2.5 770 0.282291 2.5 11.4 SZ13_107 0.28238 2.6E-05 0.00243 0.68 1.25 1411.0 0.281886 15.1 1010 0.282140 6.1 24.2 SZ13_108 0.28292 1.8E-05 0.00123-0.25 0.44 955.7 0.282174 25.6 1120 0.282070 29.3 16.9 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 131

Table 4-36. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF09-12a from the Southern Margin Zone, Kalahari Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age T (Int)* Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF09-12a_1 0.28214 7.9E-06 0.00078 1.04 1.53 1265.0 0.281979 4.9 1375 0.281909 7.4 13.6 DF09-12a_4 0.28224 1.0E-05 0.00055 0.87 1.39 1120.0 0.282070 5.5 1375 0.281909 11.2 10.3 DF09-12a_8 0.28212 7.8E-06 0.00070 1.07 1.56 1255.5 0.281985 4.0 1375 0.281909 6.7 12.6 DF09-12a_9 0.28199 8.2E-06 0.00092 1.29 1.74 1491.5 0.281835 4.5 1900 0.281573 13.8 15.0 DF09-12a_11 0.28183 9.1E-06 0.00123 1.55 1.98 1572.0 0.281783 0.4 1900 0.281573 7.9 17.9 DF09-12a_12 0.28156 7.2E-06 0.00106 1.99 2.35 1895.5 0.281576-2.0 1900 0.281573-1.9 17.2 DF09-12a_13 R 0.28199 9.1E-06 0.00128 1.30 1.76 0.282772-27.7 1750 0.281669 11.3 20.3 DF09-12a_14 0.28200 7.1E-06 0.00083 1.26 1.72 1341.5 0.281930 1.7 1375 0.281909 2.5 13.7 DF09-12a_16 0.28207 6.2E-06 0.00095 1.15 1.63 1239.5 0.281995 1.9 1375 0.281909 4.9 15.8 DF09-12a_18 R 0.28130 8.9E-06 0.00092 2.39 2.69 0.282772-52.0 2060 0.281470-6.0 14.1 DF09-12a_21 0.28212 1.0E-05 0.00081 1.06 1.55 1211.0 0.282013 3.3 1375 0.281909 6.9 14.3 DF09-12a_22 0.28216 8.1E-06 0.00120 1.02 1.52 1192.5 0.282025 3.7 1375 0.281909 7.8 20.3 DF09-12a_23 0.28212 6.6E-06 0.00128 1.08 1.57 1233.0 0.281999 3.3 1375 0.281909 6.5 22.0 DF09-12a_25 R 0.28181 1.1E-05 0.00073 1.56 1.98 0.282772-34.0 1750 0.281669 5.0 10.6 DF09-12a_26 0.28197 8.4E-06 0.00121 1.32 1.78 1342.0 0.281930 0.4 1375 0.281909 1.1 18.8 DF09-12a_28 0.28171 1.1E-05 0.00072 1.73 2.12 1901.0 0.281573 3.8 1750 0.281669 0.3 11.1 DF09-12a_29 0.28184 6.2E-06 0.00054 1.51 1.93 1477.0 0.281844-0.6 1900 0.281573 9.0 10.6 DF09-12a_30 0.28153 6.5E-06 0.00151 2.07 2.42 1936.0 0.281550-2.8 1935 0.281551-2.9 22.3 DF09-12a_34 0.28220 7.8E-06 0.00058 0.93 1.43 1044.2 0.282118 2.6 1375 0.281909 10.0 10.8 DF09-12a_35 R 0.28226 1.3E-05 0.00067 0.83 1.35 0.282772-18.1 1750 0.281669 21.0 12.7 DF09-12a_38 0.28219 8.9E-06 0.00139 0.98 1.49 1183.5 0.282030 4.4 1375 0.281909 8.7 19.9 DF09-12a_39 0.28190 9.0E-06 0.00061 1.41 1.85 1199.5 0.282020-4.7 1375 0.281909-0.8 10.5 DF09-12a_40 0.28191 7.5E-06 0.00135 1.44 1.88 1354.0 0.281922-1.8 1375 0.281909-1.3 21.0 DF09-12a_46 0.28199 9.4E-06 0.00096 1.28 1.74 1526.0 0.281813 5.5 1900 0.281573 14.0 13.5 DF09-12a_47 0.28217 8.1E-06 0.00126 1.00 1.50 1243.5 0.281992 5.4 1375 0.281909 8.3 21.2 132

Table 4-36. Continued. DF09-12a_52 0.28197 7.6E-06 0.00116 1.32 1.78 1207.5 0.282015-2.4 1375 0.281909 1.3 19.0 DF09-12a_58 R 0.28155 5.8E-06 0.00073 1.98 2.34 0.282772-43.4 2060 0.281470 2.7 12.1 DF09-12a_62 R 0.28183 1.3E-05 0.00117 1.56 1.98 0.282772-33.5 1750 0.281669 5.6 19.6 DF09-12a_66 0.28204 1.6E-05 0.00147 1.21 1.69 1024.8 0.282131-4.1 1375 0.281909 3.8 23.6 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept Table 4-37. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF09-04 from the Southern Margin Zone, Kalahari Craton. Sample 176 Lu/ 177 Hf correcte d error (+/-) 176 Lu/ 177 Hf measure d Model Age (CHUR) (Ga) Model Age (DM) (Ga) U-Pb Age 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) T (Int)* 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF09-04_9 0.28190 2.7E-05 0.00061 1.41 1.85 1336.5 0.281933-1.7 1400 0.281893-0.3 6.8 DF09-04_15 0.28202 2.4E-05 0.00080 1.23 1.70 1298.5 0.281957 1.5 1400 0.281893 3.8 9.1 DF09-04_16 0.28212 2.9E-05 0.00096 1.08 1.57 1114.5 0.282074 0.8 1400 0.281893 7.2 9.1 DF09-04_19 0.28215 1.7E-05 0.00058 1.01 1.51 1117.0 0.282072 2.2 1400 0.281893 8.6 6.6 DF09-04_20 0.28214 3.6E-05 0.00223 1.09 1.59 1154.0 0.282049 1.4 1400 0.281893 6.9 22.1 DF09-04_21 0.28206 2.3E-05 0.00148 1.19 1.67 1226.5 0.282003 0.7 1400 0.281893 4.6 16.2 DF09-04_29 0.28215 1.8E-05 0.00123 1.04 1.54 1061.5 0.282107 0.5 1400 0.281893 8.1 12.7 DF09-04_30 0.28185 3.0E-05 0.00170 1.55 1.98 1262.0 0.281980-6.2 1400 0.281893-3.1 16.9 DF09-04_31 0.28184 2.4E-05 0.00059 1.51 1.93 1808.0 0.281632 6.7 1820 0.281624 6.9 6.5 DF09-04_35 0.28209 2.7E-05 0.00094 1.13 1.61 1221.0 0.282006 2.0 1400 0.281893 6.1 10.5 DF09-04_36 0.28192 1.7E-05 0.00077 1.39 1.83 1355.5 0.281921-0.7 1400 0.281893 0.3 8.6 DF09-04_39 0.28162 2.7E-05 0.00090 1.88 2.25 1989.5 0.281516 2.5 1960 0.281535 1.8 9.1 DF09-04_44 0.28206 2.5E-05 0.00044 1.16 1.63 1168.5 0.282040 0.3 1400 0.281893 5.5 5.1 DF09-04_46 0.28190 2.1E-05 0.00066 1.42 1.86 1524.5 0.281813 2.3 1400 0.281893-0.5 7.4 DF09-04_48 R 0.28211 2.6E-05 0.00060 1.08 1.56 0.282772-23.5 1820 0.281624 17.2 7.4 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 133

Table 4-38. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF06-40 from the Southern Foreland Zone, Kalahari Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age T (Int)* Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF06_40_3 0.28113 2.6E-05 0.00032 2.61 2.88 2166.0 0.281402-10.1 2175 0.281396-9.9 6.3 DF06_40_8 R 0.28108 1.7E-05 0.00090 2.74 2.99 0.282772-59.8 3050 0.280827 9.0 14.7 DF06_40_9 R 0.28146 1.4E-05 0.00081 2.13 2.47 0.282772-46.5 2175 0.281396 2.2 11.8 DF06_40_10 0.28212 1.6E-05 0.00064 1.06 1.55 1392.0 0.281898 7.3 1425 0.281877 8.1 10.4 DF06_40_11 0.28215 1.4E-05 0.00053 1.02 1.51 1084.5 0.282093 1.5 1085 0.282093 1.5 8.9 DF06_40_13 0.28144 2.3E-05 0.00028 2.12 2.45 2017.5 0.281498-2.3 2020 0.281496-2.3 4.6 DF06_40_17 R 0.28132 1.0E-05 0.00118 2.38 2.68 0.282772-51.3 3050 0.280827 17.6 16.9 DF06_40_25 0.28187 1.4E-05 0.00082 1.47 1.90 1358.0 0.281919-2.4 1360 0.281918-2.4 12.0 DF06_40_27 0.28118 2.2E-05 0.00133 2.62 2.89 2706.0 0.281052 1.9 2700 0.281056 1.8 19.0 DF06_40_33 0.28161 1.4E-05 0.00089 1.89 2.26 2166.0 0.281402 6.1 2175 0.281396 6.3 12.9 DF06_40_36 0.28216 1.5E-05 0.00059 0.99 1.49 1092.3 0.282088 2.3 1090 0.282089 2.2 9.3 DF06_40_38 0.28219 1.6E-05 0.00105 0.96 1.47 1392.0 0.281898 9.3 1425 0.281877 10.1 15.6 DF06_40_41 0.28211 1.8E-05 0.00050 1.07 1.55 1392.0 0.281898 7.1 1425 0.281877 7.9 8.0 DF06_40_42 0.28128 2.0E-05 0.00064 2.40 2.70 2112.5 0.281436-6.5 2110 0.281438-6.6 10.4 DF06_40_44 0.28137 1.5E-05 0.00031 2.23 2.55 2166.0 0.281402-1.6 2175 0.281396-1.4 5.1 DF06_40_45 R 0.28112 1.6E-05 0.00114 2.70 2.96 0.282772-58.5 3050 0.280827 10.3 16.9 DF06_40_46 0.28141 2.4E-05 0.00044 2.18 2.50 2118.5 0.281433-1.3 2120 0.281432-1.3 7.0 DF06_40_55 0.28136 2.0E-05 0.00069 2.28 2.59 1899.5 0.281573-8.5 1900 0.281573-8.5 10.2 DF06_40_56 0.28106 1.6E-05 0.00059 2.75 3.00 2690.0 0.281062-1.3 2690 0.281062-1.3 8.6 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 134

Table 4-39. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF06-41 from the Southern Foreland Zone, Kalahari Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age T (Int)* Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF06-41_04 R 0.28117 1.4E-05 0.00045 2.56 2.84 0.282772-56.8 2865 0.280948 7.8 5.5 DF06-41_18 0.28159 1.8E-05 0.00093 1.93 2.30 2024.0 0.281493 2.1 2230 0.281361 6.8 10.7 DF06-41_20 0.28183 3.1E-05 0.00151 1.57 1.99 900.7 0.282209-14.3 1120 0.282070-9.4 18.2 DF06-41_21 0.28145 1.7E-05 0.00082 2.14 2.48 2030.0 0.281490-2.5 2230 0.281361 2.1 9.4 DF06-41_22 0.28232 1.1E-05 0.00090 0.74 1.28 1040.5 0.282121 6.5 1120 0.282070 8.3 11.8 DF06-41_23 0.28251 1.6E-05 0.00047 0.43 1.01 896.0 0.282184 10.2 890 0.282216 10.1 5.0 DF06-41_25 0.28247 1.4E-05 0.00096 0.50 1.07 896.0 0.282184 8.5 890 0.282216 8.4 11.5 DF06-41_27 0.28230 1.9E-05 0.00067 0.77 1.30 1044.5 0.282118 6.1 1120 0.282070 7.8 7.9 DF06-41_32 R 0.28247 1.5E-05 0.00137 0.50 1.08 0.282772-10.5 1180 0.282032 15.7 14.9 DF06-41_35 0.28133 1.9E-05 0.00113 2.36 2.67 2117.5 0.281433-5.4 2230 0.281361-2.8 13.1 DF06-41_37 0.28254 1.5E-05 0.00025 0.37 0.95 896.0 0.282184 11.6 890 0.282216 11.4 2.6 DF06-41_39 R 0.28226 1.8E-05 0.00121 0.85 1.37 0.282772-18.1 1180 0.282032 8.1 13.4 DF06-41_42 R 0.28131 1.8E-05 0.00034 2.33 2.64 0.282772-51.7 2865 0.280948 12.9 4.3 DF06-41_44 0.28210 1.5E-05 0.00073 1.09 1.57 896.0 0.282184-4.3 890 0.282216-4.4 9.1 DF06-41_46 0.28225 1.6E-05 0.00062 0.86 1.38 1021.0 0.282133 3.5 1120 0.282070 5.8 7.0 DF06-41_50 0.28131 2.1E-05 0.00046 2.35 2.65 2123.0 0.281430-5.1 2230 0.281361-2.6 5.5 DF06-41_52 0.28108 1.3E-05 0.00076 2.72 2.97 2843.0 0.280962 2.8 2845 0.280961 2.8 8.9 DF06-41_53 0.28215 1.7E-05 0.00178 1.05 1.56 834.0 0.282251-4.6 1120 0.282070 1.8 20.0 DF06-41_54 R 0.28223 1.8E-05 0.00112 0.89 1.41 0.282772-19.1 1180 0.282032 7.1 13.1 DF06-41_56 0.28216 1.3E-05 0.00074 1.01 1.50 1108.5 0.282078 2.2 1120 0.282070 2.4 8.2 DF06-41_57 0.28120 1.8E-05 0.00067 2.53 2.81 2125.5 0.281428-9.2 2230 0.281361-6.8 8.2 DF06-41_59 0.28051 1.4E-05 0.00028 3.55 3.69 3336.0 0.280638-5.1 3335 0.280639-5.1 3.6 DF06-41_60 0.28224 1.6E-05 0.00051 0.86 1.38 1022.5 0.282132 3.5 1120 0.282070 5.7 6.3 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 135

Table 4-40. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF06-45 from the Southern Foreland Zone, Kalahari Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age T (Int)* Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF06-45_06 R 0.28146 2.1E-05 0.00135 2.16 2.50 0.282772-46.4 n/a n/a n/a 15.6 DF06-45_07 0.28236 2.9E-05 0.00066 0.67 1.22 555.5 0.282426-2.5 780 0.282285 2.4 8.5 DF06-45_08 0.28205 4.2E-05 0.00165 1.21 1.69 1058.0 0.282110-3.2 1250 0.281988 1.1 19.5 DF06-45_09 0.28234 1.7E-05 0.00085 0.72 1.26 1064.0 0.282106 7.6 1075 0.282099 7.8 10.9 DF06-45_10 0.28254 5.5E-05 0.00116 0.39 0.98 553.6 0.282427 3.5 780 0.282285 8.5 15.1 DF06-45_13 0.28220 2.9E-05 0.00112 0.95 1.46 878.5 0.282223-1.5 1075 0.282099 2.9 13.1 DF06-45_15 0.28235 1.8E-05 0.00119 0.70 1.25 529.2 0.282442-3.7 780 0.282285 1.9 11.1 DF06-45_16 0.28236 2.3E-05 0.00160 0.70 1.25 541.0 0.282435-3.3 780 0.282285 2.0 14.7 DF06-45_19 0.28230 2.1E-05 0.00064 0.78 1.31 539.0 0.282436-5.2 780 0.282285 0.1 8.2 DF06-45_25 0.28251 2.1E-05 0.00092 0.43 1.01 535.5 0.282438 2.3 780 0.282285 7.7 11.2 DF06-45_29 R 0.28239 2.6E-05 0.00133 0.64 1.20 0.282772-13.6 780 0.282285 3.6 16.6 DF06-45_31 0.28232 2.0E-05 0.00060 0.74 1.27 649.1 0.282367-2.0 780 0.282285 0.9 7.8 DF06-45_38 0.28233 2.3E-05 0.00101 0.74 1.28 533.6 0.282440-4.4 780 0.282285 1.1 12.1 DF06-45_39 R 0.28240 1.4E-05 0.00066 0.61 1.16 0.282772-13.2 1250 0.281988 14.6 8.2 DF06-45_42 0.28225 2.5E-05 0.00116 0.86 1.38 539.5 0.282436-6.9 780 0.282285-1.5 14.1 DF06-45_43 0.28235 3.4E-05 0.00217 0.72 1.28 532.8 0.282440-3.9 780 0.282285 1.6 19.0 DF06-45_46 0.28222 2.4E-05 0.00128 0.92 1.44 553.1 0.282427-7.8 780 0.282285-2.8 13.2 DF06-45_51 0.28231 1.5E-05 0.00093 0.75 1.29 565.8 0.282419-4.1 780 0.282285 0.7 11.3 DF06-45_55 R 0.28225 3.7E-05 0.00100 0.86 1.38 0.282772-18.5 1250 0.281988 9.3 9.8 DF06-45_56 R 0.28244 3.2E-05 0.00142 0.56 1.13 0.282772-11.8 1250 0.281988 15.9 15.9 DF06-45_58 0.28231 3.0E-05 0.00115 0.77 1.31 542.3 0.282434-4.9 780 0.282285 0.4 13.1 DF06-45_59 0.28145 3.0E-05 0.00139 2.18 2.52 2223.0 0.281365 0.9 2225 0.281364 0.9 15.8 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 136

Table 4-41. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF06-44 from the Southern Foreland Zone, Kalahari Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age T (Int)* Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF06-44_01 0.28252 2.2E-05 0.00002 0.40 0.98 1095.0 0.282086 15.4 1185 0.282029 17.4 10.7 DF06-44_02 R 0.28120 2.0E-05 0.00002 2.48 2.76 0.282772-55.6 0.282772-55.6 12.0 DF06-44_03 R 0.28095 2.3E-05 0.00002 2.87 3.10 0.282772-64.6 0.282772-64.6 7.4 DF06-44_05 0.28225 2.2E-05 0.00003 0.84 1.35 1019.5 0.282134 3.9 1320 0.281944 10.7 15.7 DF06-44_08 0.28201 1.3E-05 0.00003 1.22 1.68 1043.5 0.282119-4.0 1320 0.281944 2.3 12.5 DF06-44_09 R 0.28236 1.4E-05 0.00002 0.66 1.19 0.282772-14.5 770 0.282291 2.5 13.2 DF06-44_12 0.28246 2.0E-05 0.00014 0.50 1.06 1095.0 0.282086 13.2 1185 0.282029 15.2 19.8 DF06-44_16 0.28192 2.0E-05 0.00002 1.35 1.79 1484.0 0.281839 2.9 1485 0.281839 3.0 18.1 DF06-44_20 0.28194 1.6E-05 0.00000 1.33 1.77 953.2 0.282176-8.4 1320 0.281944-0.2 5.5 DF06-44_21 R 0.28248 2.3E-05 0.00001 0.47 1.03 0.282772-10.3 770 0.282291 6.7 11.6 DF06-44_22 0.28221 1.7E-05 0.00003 0.89 1.40 1095.0 0.282086 4.5 1185 0.282029 6.5 7.8 DF06-44_24 R 0.28217 2.8E-05 0.00001 0.96 1.45 0.282772-21.1 1185 0.282029 5.1 7.6 DF06-44_25 0.28240 1.3E-05 0.00005 0.59 1.14 729.0 0.282317 3.0 770 0.282291 3.9 12.6 DF06-44_30 0.28152 1.7E-05 0.00006 1.98 2.33 953.6 0.282176-23.2 1320 0.281944-15.0 10.6 DF06-44_35 R 0.28090 1.6E-05 0.00002 2.93 3.15 0.282772-66.1 0.282772-66.1 8.9 DF06-44_39 0.28218 2.8E-05 0.00008 0.94 1.44 551.8 0.282428-8.7 770 0.282291-3.8 18.0 DF06-44_44 R 0.28244 2.4E-05 0.00001 0.54 1.09 0.282772-11.8 770 0.282291 5.2 10.1 DF06-44_46 0.28233 1.6E-05 0.00001 0.71 1.24 1051.5 0.282114 7.7 1320 0.281944 13.7 8.5 DF06-44_48 0.28256 3.5E-05 0.00003 0.35 0.93 1095.0 0.282086 16.7 1185 0.282029 18.7 11.5 DF06-44_52 0.28230 2.7E-05 0.00009 0.76 1.28 612.7 0.282390-3.2 770 0.282291 0.3 19.3 DF06-44_54 0.28200 2.4E-05 0.00002 1.23 1.68 1058.0 0.282110-3.8 1320 0.281944 2.1 15.0 DF06-44_59 0.28184 2.0E-05 0.00001 1.49 1.91 1032.5 0.282126-10.2 1320 0.281944-3.8 10.3 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 137

Table 4-42. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF06-43 from the Southern Foreland Zone, Kalahari Craton. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age T (Int)* Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF06-43_01 0.28231 1.6E-05 0.00061 0.76 1.29 843.2 0.282245 1.9 850 0.282241 2.1 7.1 DF06-43_04 R 0.28212 1.9E-05 0.00081 1.08 1.56 0.282772-23.2 1230 0.282001 4.1 9.5 DF06-43_05 0.28213 3.3E-05 0.00060 1.05 1.54 846.7 0.282243-4.5 850 0.282241-4.4 5.2 DF06-43_08 0.28144 2.5E-05 0.00095 2.17 2.51 1933.0 0.281552-5.4 1930 0.281554-5.4 10.6 DF06-43_09 0.28217 2.9E-05 0.00108 0.99 1.49 846.5 0.282243-3.1 850 0.282241-3.1 10.7 DF06-43_10 0.28244 1.7E-05 0.00059 0.55 1.11 609.5 0.282392 1.4 770 0.282291 4.9 6.9 DF06-43_11 0.28244 1.8E-05 0.00058 0.54 1.10 1987.0 0.282091 12.0 1230 0.282001 15.2 6.7 DF06-43_14 0.28191 2.0E-05 0.00068 1.41 1.85 1094.0 0.282087-6.9 1400 0.281893-0.1 6.0 DF06-43_18 0.28218 3.8E-05 0.00134 0.99 1.50 1125.0 0.282067 2.8 1400 0.281893 9.0 11.5 DF06-43_22 0.28229 1.9E-05 0.00067 0.79 1.32 1057.5 0.282110 5.8 1400 0.281893 13.5 7.7 DF06-43_26 0.28155 1.8E-05 0.00113 2.01 2.36 1873.0 0.281590-3.0 1875 0.281589-2.9 11.1 DF06-43_27 0.28236 2.2E-05 0.00025 0.67 1.20 1087.0 0.282091 9.3 1230 0.282001 12.6 3.0 DF06-43_28 0.28227 1.9E-05 0.00097 0.83 1.35 1087.0 0.282091 5.6 1230 0.282001 8.8 10.6 DF06-43_29 0.28225 1.9E-05 0.00059 0.86 1.37 854.0 0.282238 0.0 850 0.282241-0.1 7.0 DF06-43_32 0.28249 1.8E-05 0.00080 0.46 1.04 558.7 0.282424 2.2 770 0.282291 6.8 9.2 DF06-43_33 0.28227 2.1E-05 0.00051 0.81 1.33 1106.5 0.282079 6.5 1400 0.281893 13.1 5.4 DF06-43_36 0.28226 1.7E-05 0.00131 0.86 1.39 857.8 0.282236 0.0 850 0.282241-0.2 14.6 DF06-43_41 0.28240 2.6E-05 0.00121 0.62 1.18 1092.5 0.282088 10.1 1400 0.281893 17.1 12.6 DF06-43_42 R 0.28106 1.9E-05 0.00100 2.77 3.02 0.282772-60.4 n/a n/a n/a 10.1 DF06-43_46 0.28204 1.9E-05 0.00049 1.18 1.65 1153.5 0.282049-0.6 1400 0.281893 4.9 4.8 DF06-43_48 0.28247 1.8E-05 0.00152 0.51 1.09 1087.0 0.282091 12.2 1230 0.282001 15.4 13.1 DF06-43_58 0.28222 2.2E-05 0.00058 0.91 1.42 829.3 0.282254-1.7 850 0.282241-1.2 6.1 DF06-43_60 0.28218 1.2E-05 0.00188 1.00 1.51 1099.0 0.282084 2.1 1400 0.281893 8.9 18.8 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 138

Table 4-43. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF06-18 from the Kaoko Belt. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) T (Int)* 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF06-18_1 R 0.28166 1.2E-05 0.00387 1.99 2.38 0.282772-39.2 2030 0.281490 6.2 38.4 DF06-18_3 R 0.24773 2.4E-02 0.02994 131.97 88.78 0.282772-1239.1 n/a n/a n/a 85.2 DF06-18_5 R 0.28158 1.7E-05 0.00423 2.17 2.53 0.282772-42.3 n/a n/a n/a 43.3 DF06-18_9 R 0.28179 1.3E-05 0.00118 1.62 2.03 0.282772-34.7 1200 0.282020-8.1 15.3 DF06-18_11 R 0.28092 1.3E-05 0.00062 2.95 3.17 0.282772-65.4 n/a n/a n/a 9.3 DF06-18_13 0.28146 1.9E-05 0.00094 2.14 2.47 2047.5 0.281478-2.0 2250 0.281348 2.7 13.9 DF06-18_14 0.28191 1.8E-05 0.00085 1.41 1.85 1224.0 0.282005-4.2 1220 0.282007-4.2 13.2 DF06-18_15 R 0.28065 3.7E-04 0.00092 3.41 3.57 0.282772-75.0 n/a n/a n/a 15.2 DF06-18_17 0.28172 2.0E-05 0.00143 1.74 2.14 1858.0 0.281600 2.5 2030 0.281490 6.5 18.7 DF06-18_18 R 0.28152 1.9E-05 0.00249 2.14 2.49 0.282772-44.3 n/a n/a n/a 28.1 DF06-18_20 R 0.28203 1.8E-05 0.00605 1.44 1.94 0.282772-26.1 n/a n/a n/a 51.1 DF06-18_22 0.28191 1.4E-05 0.00202 1.47 1.91 1121.0 0.282070-7.3 1220 0.282007-5.1 24.1 DF06-18_23 0.28141 1.2E-05 0.00115 2.23 2.55 2054.5 0.281474-3.8 2250 0.281348 0.7 16.0 DF06-18_27 0.28161 1.0E-05 0.00091 1.89 2.26 1056.0 0.282111-18.3 1220 0.282007-14.6 12.9 DF06-18_30 0.28156 1.4E-05 0.00125 1.99 2.35 810.6 0.282266-25.5 1220 0.282007-16.4 17.7 DF06-18_31 R 0.28142 2.6E-05 0.00107 2.21 2.54 0.282772-47.8 2030 0.281490-2.5 16.1 DF06-18_32 0.28176 1.7E-05 0.00118 1.67 2.07 980.8 0.282158-14.9 1220 0.282007-9.6 16.5 DF06-18_34 R 0.28165 4.0E-05 0.00071 1.83 2.21 0.282772-39.9 n/a n/a n/a 10.9 DF06-18_36 R 0.28142 1.6E-05 0.00094 2.20 2.53 0.282772-47.8 2030 0.281490-2.5 13.8 DF06-18_37 R 0.28142 1.6E-05 0.00084 2.19 2.52 0.282772-47.7 n/a n/a n/a 12.4 DF06-18_41 0.28141 1.4E-05 0.00062 2.19 2.51 1856.0 0.281601-7.4 2250 0.281348 1.6 9.1 DF06-18_42 R 0.28173 2.7E-05 0.00093 1.70 2.10 0.282772-36.8 1200 0.282020-10.2 13.2 DF06-18_45 0.28173 2.4E-05 0.00035 1.67 2.07 990.7 0.282152-15.1 1220 0.282007-10.0 4.8 DF06-18_49 0.28167 1.1E-05 0.00093 1.80 2.18 1876.0 0.281589 1.7 2250 0.281348 10.3 13.3 139

Table 4-43. Continued. DF06-18_53 0.28150 9.7E-06 0.00141 2.11 2.46 1858.0 0.281600-5.5 2030 0.281490-1.6 20.0 DF06-18_55 0.28143 1.1E-05 0.00087 2.17 2.50 2049.5 0.281477-2.7 2250 0.281348 1.9 12.5 DF06-18_58 0.28220 1.3E-05 0.00101 0.95 1.46 1090.5 0.282089 3.1 1220 0.282007 6.0 15.1 DF06-18_59 R 0.28145 1.6E-05 0.00032 2.11 2.45 0.282772-46.8 n/a n/a n/a 4.3 DF06-18_61 0.28163 2.4E-05 0.00137 1.89 2.26 1858.0 0.281600-0.7 2030 0.281490 3.3 18.6 DF06-18_63 R 0.28185 1.5E-05 0.00095 1.51 1.93 0.282772-32.5 2350 0.281283 20.2 14.1 DF06-18_64 R 0.28187 2.1E-05 0.00125 1.50 1.93 0.282772-32.0 2350 0.281283 20.8 17.5 DF06-18_65 0.28167 1.7E-05 0.00045 1.77 2.16 1875.5 0.281589 2.3 2250 0.281348 10.9 6.5 DF06-18_66 R 0.28168 2.7E-05 0.00109 1.79 2.18 0.282772-38.6 n/a n/a n/a 16.4 DF06-18_68 R 0.28169 1.5E-05 0.00193 1.83 2.22 0.282772-38.4 n/a n/a n/a 24.3 DF06-18_70 R 0.28143 2.4E-05 0.00096 2.18 2.51 0.282772-47.3 2250 0.281348 3.1 14.3 DF06-18_71 0.28188 1.4E-05 0.00073 1.45 1.88 990.9 0.282152-10.0 1220 0.282007-4.9 11.0 DF06-18_73 0.28174 2.0E-05 0.00069 1.68 2.08 1035.0 0.282124-14.2 1220 0.282007-10.0 10.5 DF06-18_74 0.28183 1.7E-05 0.00051 1.53 1.94 1211.5 0.282013-7.0 1200 0.282020-7.2 6.4 DF06-18_78 0.28193 1.5E-05 0.00061 1.37 1.81 1193.5 0.282024-3.9 1220 0.282007-3.3 9.2 DF06-18_80 R 0.28144 1.4E-05 0.00122 2.19 2.52 0.282772-47.2 2030 0.281490-1.9 14.3 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 140

Table 4-44. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF09-38 from the Kaoko Belt. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) T (Int)* 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF09-38_2 0.28151 2.4E-05 0.00045 2.03 2.38 1831.0 0.281617-4.4 1860 0.281599-3.8 3.9 DF09-38_3 0.28149 2.5E-05 0.00072 2.07 2.42 1861.8 0.281598-4.7 1830 0.281618-5.4 7.2 DF09-38_8 0.28148 3.0E-05 0.00070 2.08 2.43 1864.5 0.281596-4.9 1860 0.281599-5.0 7.4 DF09-38_9 0.28145 3.3E-05 0.00050 2.12 2.45 1848.5 0.281606-6.1 1860 0.281599-5.8 4.6 DF09-38_19 0.28149 2.7E-05 0.00063 2.07 2.41 1862.5 0.281597-4.7 1860 0.281599-4.7 6.7 DF09-38_22 0.28141 1.7E-05 0.00079 2.20 2.53 1878.0 0.281587-7.2 1860 0.281599-7.6 8.1 DF09-38_24 0.28152 2.6E-05 0.00056 2.01 2.36 1839.5 0.281612-3.9 1860 0.281599-3.4 5.1 DF09-38_31 R 0.28144 1.2E-05 0.00060 2.15 2.48 0.282772-47.2 1830 0.281618-6.4 5.9 DF09-38_32 0.28142 2.6E-05 0.00085 2.20 2.52 1854.0 0.281603-7.6 1860 0.281599-7.5 7.8 DF09-38_37 0.28172 2.4E-05 0.00048 1.69 2.08 1440.0 0.281867-5.5 1860 0.281599 4.0 4.1 DF09-38_40 0.28146 1.9E-05 0.00067 2.13 2.46 1852.0 0.281604-6.1 1860 0.281599-5.9 5.9 DF09-38_44 0.28149 2.1E-05 0.00065 2.07 2.41 1855.0 0.281602-4.8 1860 0.281599-4.7 6.5 DF09-38_48 0.28148 1.3E-05 0.00093 2.10 2.45 1855.0 0.281602-5.5 1860 0.281599-5.4 9.7 DF09-38_50 0.28148 1.7E-05 0.00056 2.08 2.42 1880.5 0.281586-4.6 1860 0.281599-5.0 6.0 DF09-38_51 0.28157 2.4E-05 0.00126 1.99 2.35 1874.5 0.281590-2.4 1860 0.281599-2.8 12.1 DF09-38_54 0.28151 2.1E-05 0.00069 2.03 2.38 1865.5 0.281595-3.8 1860 0.281599-3.9 6.9 DF09-38_55 0.28145 2.0E-05 0.00147 2.18 2.52 1861.8 0.281598-7.1 1830 0.281618-7.8 14.7 DF09-38_56 R 0.28156 2.0E-05 0.00057 1.95 2.31 0.282772-42.8 1830 0.281618-2.0 5.5 DF09-38_57 0.28148 1.5E-05 0.00097 2.11 2.45 1830.0 0.281618-6.2 1860 0.281599-5.5 10.0 DF09-38_58 0.28146 2.2E-05 0.00068 2.12 2.46 1870.0 0.281592-5.6 1860 0.281599-5.8 6.6 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 141

Table 4-45. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF09-39 from the Kaoko Belt. Sample 176 Lu/ 177 Hf correcte d error (+/-) 176 Lu/ 177 Hf measured Model Age (CHUR) (Ga) Model Age (DM) (Ga) U-Pb Age 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) T (Int)* 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF09-39_2 R 0.28112 2.3E-05 0.00052 2.64 2.90 0.282772-58.4 2575 0.281137-0.6 5.2 DF09-39_3 0.28113 1.5E-05 0.00061 2.63 2.89 2606.3 0.281117-0.5 2575 0.281137-1.3 6.1 DF09-39_4 0.28118 1.6E-05 0.00074 2.57 2.84 2606.3 0.281117 0.8 2575 0.281137 0.1 7.0 DF09-39_6 0.28108 1.7E-05 0.00060 2.72 2.97 2606.3 0.281117-2.5 2575 0.281137-3.3 5.9 DF09-39_7 0.28114 2.9E-05 0.00094 2.64 2.91 2606.3 0.281117-0.8 2575 0.281137-1.5 9.7 DF09-39_10 0.28117 2.4E-05 0.00082 2.59 2.87 2606.3 0.281117 0.3 2575 0.281137-0.5 8.3 DF09-39_26 0.28111 1.7E-05 0.00032 2.64 2.90 2596.5 0.281123-1.0 2690 0.281062 1.1 3.0 DF09-39_29 R 0.28118 3.5E-05 0.00065 2.56 2.83 0.282772-56.3 2575 0.281137 1.5 5.7 DF09-39_30a R 0.28110 2.5E-05 0.00065 2.68 2.94 0.282772-59.0 n/a n/a n/a 7.0 DF09-39_30 0.28140 3.1E-05 0.00045 2.20 2.52 2606.3 0.281117 9.2 2575 0.281137 8.5 4.1 DF09-39_37 0.28114 1.9E-05 0.00048 2.60 2.87 2580.5 0.281133-0.5 2690 0.281062 2.1 5.1 DF09-39_40 0.28113 2.0E-05 0.00072 2.64 2.90 2561.5 0.281146-1.7 2690 0.281062 1.3 7.2 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 142

Table 4-46. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF06-11 from the Kaoko Belt. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) T (Int)* 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF06-11_1 R 0.28244 1.9E-05 0.00097 0.56 1.12 0.282772-11.9 815 0.282263 6.1 10.3 DF06-11_2 0.28247 1.9E-05 0.00105 0.50 1.07 794.6 0.282276 6.4 875 0.282225 8.2 11.3 DF06-11_4 0.28251 1.3E-05 0.00104 0.44 1.02 697.4 0.282337 5.6 875 0.282225 9.6 11.2 DF06-11_12 0.28250 1.7E-05 0.00269 0.48 1.08 810.6 0.282266 6.8 875 0.282225 8.3 26.2 DF06-11_13 R 0.28254 1.2E-05 0.00082 0.39 0.98 0.282772-8.4 n/a n/a n/a 8.8 DF06-11_15 0.28251 1.4E-05 0.00188 0.45 1.05 774.9 0.282288 6.7 875 0.282225 9.0 19.9 DF06-11_18 R 0.28254 1.5E-05 0.00087 0.38 0.97 0.282772-8.1 1445 0.281864 24.1 9.4 DF06-11_20 0.28254 1.8E-05 0.00065 0.39 0.97 668.0 0.282355 6.1 875 0.282225 10.7 7.0 DF06-11_23 R 0.28247 1.8E-05 0.00126 0.50 1.08 0.282772-10.6 815 0.282263 7.4 12.9 DF06-11_24 0.28247 3.1E-05 0.00204 0.51 1.10 619.7 0.282386 2.3 875 0.282225 7.9 21.2 DF06-11_25 0.28248 1.3E-05 0.00089 0.48 1.05 716.8 0.282325 5.1 875 0.282225 8.7 10.1 DF06-11_27 0.28250 1.0E-05 0.00059 0.44 1.02 666.4 0.282356 4.9 875 0.282225 9.6 6.1 DF06-11_33 0.28250 1.3E-05 0.00076 0.45 1.03 672.1 0.282353 4.8 875 0.282225 9.3 7.9 DF06-11_38 0.28251 1.1E-05 0.00073 0.44 1.02 833.2 0.282252 8.6 875 0.282225 9.5 8.3 DF06-11_42 R 0.28245 1.3E-05 0.00194 0.54 1.12 0.282772-11.2 1445 0.281864 20.9 19.4 DF06-11_44 0.28250 2.2E-05 0.00132 0.45 1.04 788.0 0.282280 7.2 875 0.282225 9.1 14.0 DF06-11_50 0.28244 2.7E-05 0.00085 0.55 1.12 731.3 0.282316 3.9 875 0.282225 7.1 12.2 DF06-11_52 0.28244 2.4E-05 0.00112 0.56 1.12 779.3 0.282285 4.8 875 0.282225 6.9 15.1 DF06-11_57 0.28258 2.9E-05 0.00222 0.33 0.94 690.7 0.282341 7.5 875 0.282225 11.7 25.2 DF06-11_59 0.28246 2.7E-05 0.00132 0.53 1.10 777.2 0.282287 5.3 875 0.282225 7.5 16.9 DF06-11_60 0.28247 2.9E-05 0.00070 0.49 1.06 668.8 0.282355 3.8 875 0.282225 8.4 9.3 DF06-11_62 0.28248 2.9E-05 0.00115 0.49 1.07 816.9 0.282262 6.9 1445 0.281864 21.0 15.1 DF06-11_66 0.28248 4.3E-05 0.00152 0.49 1.08 748.2 0.282305 5.4 875 0.282225 8.2 18.8 DF06-11_67 0.28243 3.2E-05 0.00091 0.56 1.13 792.1 0.282277 4.9 875 0.282225 6.8 12.1 DF06-11_70 0.28255 3.1E-05 0.00079 0.36 0.95 819.3 0.282260 9.9 875 0.282225 11.2 11.1 143

Table 4-46. Continued. DF06-11_74 0.28255 2.4E-05 0.00063 0.36 0.95 680.9 0.282347 7.0 875 0.282225 11.3 8.0 DF06-11_78 0.28243 3.5E-05 0.00104 0.57 1.14 832.7 0.282252 5.6 875 0.282225 6.5 13.8 DF06-11_79 0.28251 2.6E-05 0.00087 0.43 1.01 767.1 0.282293 7.4 875 0.282225 9.8 10.6 DF06-11_82 0.28242 3.0E-05 0.00082 0.58 1.14 787.3 0.282280 4.6 875 0.282225 6.5 11.3 DF06-11_83 0.28258 2.7E-05 0.00096 0.32 0.92 746.8 0.282306 9.1 875 0.282225 12.0 12.8 DF06-11_84 R 0.28257 3.6E-05 0.00065 0.33 0.93 0.282772-7.2 n/a n/a n/a 8.9 DF06-11_87 0.28245 3.4E-05 0.00122 0.53 1.11 795.8 0.282275 5.6 875 0.282225 7.4 11.6 DF06-11_91 0.28259 2.7E-05 0.00085 0.29 0.90 643.9 0.282370 7.5 875 0.282225 12.7 11.6 DF06-11_93 0.28236 4.2E-05 0.00114 0.68 1.23 793.8 0.282276 2.5 875 0.282225 4.3 14.9 DF06-11_102 0.28250 2.5E-05 0.00095 0.46 1.04 764.1 0.282295 6.6 875 0.282225 9.1 13.1 DF06-11_104 0.28241 2.8E-05 0.00090 0.60 1.16 768.6 0.282292 3.6 875 0.282225 6.0 11.9 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept Table 4-47. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF06-17 from the Kaoko Belt. Sample 176 Lu/ 177 Hf corrected error (+/-) 176 Lu/ 177 Hf measured U-Pb Age Model Age (CHUR) (Ga) Model Age (DM) (Ga) 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) T (Int)* 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF06-17_2 R 0.28184 1.9E-05 0.00071 1.51 1.94 0.282772-32.9 n/a n/a n/a 8.9 DF06-17_3 R 0.28183 1.1E-05 0.00064 1.52 1.94 0.282772-33.2 n/a n/a n/a 7.7 DF06-17_5 R 0.28182 1.0E-05 0.00062 1.54 1.96 0.282772-33.7 n/a n/a n/a 7.7 DF06-17_6 R 0.28170 1.9E-05 0.00154 1.78 2.18 0.282772-37.9 n/a n/a n/a 16.2 DF06-17_7 R 0.28192 1.2E-05 0.00033 1.38 1.82 0.282772-30.3 n/a n/a n/a 3.9 DF06-17_10 R 0.28173 1.5E-05 0.00103 1.70 2.10 0.282772-36.8 n/a n/a n/a 11.5 DF06-17_12 R 0.28182 2.7E-05 0.00079 1.55 1.97 0.282772-33.6 n/a n/a n/a 9.0 DF06-17_13 R 0.28161 1.2E-05 0.00091 1.89 2.26 0.282772-41.1 n/a n/a n/a 10.1 DF06-17_14 R 0.28168 3.1E-05 0.00111 1.80 2.18 0.282772-38.7 n/a n/a n/a 12.3 144

Table 4-47. Continued. DF06-17_15 R 0.28162 1.0E-05 0.00089 1.88 2.25 0.282772-40.8 n/a n/a n/a 9.2 DF06-17_18 R 0.28184 9.2E-06 0.00062 1.51 1.93 0.282772-33.0 n/a n/a n/a 6.9 DF06-17_19 R 0.28177 9.7E-06 0.00172 1.68 2.09 0.282772-35.6 n/a n/a n/a 16.3 DF06-17_21 R 0.28187 1.1E-05 0.00071 1.47 1.90 0.282772-32.0 n/a n/a n/a 8.0 DF06-17_23 R 0.28184 9.4E-06 0.00058 1.52 1.94 0.282772-33.1 n/a n/a n/a 6.7 DF06-17_28 R 0.28173 2.9E-05 0.00101 1.71 2.11 0.282772-36.8 n/a n/a n/a 11.3 DF06-17_29 R 0.28183 2.2E-05 0.00088 1.54 1.96 0.282772-33.3 n/a n/a n/a 9.8 DF06-17_30 R 0.28184 1.2E-05 0.00104 1.53 1.95 0.282772-32.9 n/a n/a n/a 11.4 DF06-17_31 R 0.28181 1.3E-05 0.00076 1.57 1.99 0.282772-34.1 n/a n/a n/a 8.8 DF06-17_34 R 0.28072 9.7E-06 0.00057 3.27 3.44 0.282772-72.6 n/a n/a n/a 6.4 DF06-17_40 R 0.28195 2.5E-05 0.00116 1.35 1.80 0.282772-28.9 n/a n/a n/a 11.1 DF06-17_44 R 0.28083 1.7E-05 0.00138 3.17 3.37 0.282772-68.7 n/a n/a n/a 14.5 DF06-17_50 R 0.28174 5.5E-05 0.00135 1.72 2.12 0.282772-36.7 2075 0.281461 9.7 15.5 DF06-17_53 0.28167 2.8E-05 0.00095 1.80 2.19 2085.0 0.281454 6.2 2075 0.281461 6.0 13.9 DF06-17_54 0.28161 3.1E-05 0.00087 1.90 2.27 2085.0 0.281454 4.2 2075 0.281461 3.9 13.6 DF06-17_57 R 0.28176 3.1E-05 0.00084 1.66 2.06 0.282772-36.0 2075 0.281461 10.5 12.9 DF06-17_58 R 0.28140 2.8E-05 0.00031 2.20 2.52 0.282772-48.7 2075 0.281461-2.3 5.3 DF06-17_60 0.28177 2.3E-05 0.00065 1.62 2.03 1621.5 0.2821549 0.1 1910 0.281567 10.0 10.0 DF06-17_62 R 0.28183 3.1E-05 0.00045 1.52 1.94 0.282772-33.3 1910 0.281567 9.3 7.2 DF06-17_66 0.28164 3.6E-05 0.00131 1.87 2.25 1758.0 0.281664-2.5 2360 0.281276 11.3 18.9 DF06-17_69 0.28169 3.1E-05 0.00126 1.79 2.18 1744.0 0.281673-1.0 2360 0.281276 13.1 19.1 DF06-17_71 0.28165 2.9E-05 0.00114 1.84 2.22 1831.0 0.281617-0.3 2360 0.281276 11.9 15.9 DF06-17_72 0.28179 2.4E-05 0.00106 1.61 2.02 1669.0 0.281549 1.3 1910 0.281567 6.6 16.7 DF06-17_74 R 0.28141 2.9E-05 0.00064 2.20 2.52 0.282772-48.2 2075 0.281461-1.9 9.1 DF06-17_76 0.28159 2.7E-05 0.00133 1.95 2.32 1823.0 0.281623-2.9 2360 0.281276 9.4 19.2 DF06-17_77 R 0.28202 2.3E-05 0.00090 1.24 1.70 0.282772-26.7 1910 0.281567 16.0 13.4 DF06-17_79 0.28167 2.2E-05 0.00104 1.80 2.19 1756.5 0.281665-1.0 2360 0.281276 12.8 16.4 145

Table 4-47. Continued. DF06-17_84 R 0.28185 2.1E-05 0.00089 1.50 1.93 0.282772-32.5 n/a n/a n/a 13.2 DF06-17_85 0.28186 2.0E-05 0.00074 1.49 1.91 1689.5 0.281549 4.5 1910 0.281567 9.4 13.1 DF06-17_86 R 0.28160 2.6E-05 0.00119 1.92 2.29 0.282772-41.4 2075 0.281461 5.0 16.5 DF06-17_90 R 0.28159 2.5E-05 0.00063 1.91 2.27 0.282772-41.7 1910 0.281567 0.9 9.4 DF06-17_94 0.28191 3.1E-05 0.00059 1.40 1.83 1555.0 0.281549 3.5 1910 0.281567 11.5 9.3 DF06-17_96 0.28210 3.2E-05 0.00189 1.14 1.63 1232.5 0.281999 2.0 1230 0.282001 1.9 26.9 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept Table 4-48. Lu-Hf (MC-ICP-MS) analysis corrected results for sample DF06-08 from the Kaoko Belt. Sample 176 Lu/ 177 Hf correcte d error (+/-) 176 Lu/ 177 Hf measured Model Age (CHUR) (Ga) Model Age (DM) (Ga) U-Pb Age 176 Lu/ 177 Hf (CHUR) T (U-Pb Age) Epsilon Hf at T (U-Pb Age) T (Int)* 176 Lu/ 177 Hf (CHUR) T (int) Epsilon Hf at T (int) percent corr DF06-08_3 R 0.28249 1.3E-05 0.00132 0.48 1.06 0.282772-10.1 n/a n/a n/a 12.4 DF06-08_4 R 0.28229 1.5E-05 0.00156 0.81 1.35 0.282772-17.2 n/a n/a n/a 15.7 DF06-08_7 R 0.28231 1.8E-05 0.00111 0.76 1.30 0.282772-16.3 n/a n/a n/a 16.6 DF06-08_9 R 0.28213 1.9E-05 0.00035 1.04 1.52 0.282772-22.7 n/a n/a n/a 13.3 DF06-08_12 R 0.28239 2.5E-05 0.00042 0.63 1.17 0.282772-13.7 n/a n/a n/a 5.0 DF06-08_14 R 0.28250 1.4E-05 0.00049 0.45 1.02 0.282772-9.7 870 0.282228 9.6 5.2 DF06-08_15 0.28231 1.9E-05 0.00112 0.76 1.30 1032.5 0.282126 5.9 1130 0.282064 8.1 6.0 DF06-08_18 0.28250 1.7E-05 0.00213 0.47 1.07 634.3 0.282377 3.4 870 0.282228 8.6 13.4 DF06-08_21 0.28249 1.6E-05 0.00130 0.47 1.06 1017.0 0.282136 11.6 1100 0.282083 13.5 23.8 DF06-08_23 0.28227 2.4E-05 0.00019 0.80 1.32 1007.0 0.282142 4.5 1130 0.282064 7.3 14.9 DF06-08_25 0.28212 2.9E-05 0.00071 1.07 1.56 604.6 0.282395-10.1 870 0.282228-4.2 2.3 DF06-08_31 0.28244 1.7E-05 0.00070 0.55 1.11 874.4 0.282226 7.2 1130 0.282064 12.9 7.2 DF06-08_37 0.28258 2.5E-05 0.00226 0.33 0.95 625.5 0.282382 6.2 870 0.282228 11.6 8.4 DF06-08_38 0.28253 1.6E-05 0.00235 0.42 1.03 659.9 0.282360 4.9 870 0.282228 9.6 24.9 146

Table 4-48. Continued. DF06-08_40 0.28257 1.2E-05 0.00065 0.34 0.93 647.6 0.282368 6.7 870 0.282228 11.7 28.3 DF06-08_42 R 0.28246 1.6E-05 0.00126 0.52 1.09 0.282772-10.9 870 0.282228 8.3 8.2 DF06-08_52 0.28211 2.4E-05 0.00098 1.09 1.57 1044.0 0.282119-0.9 1100 0.282083 0.3 13.8 DF06-08_57 0.28244 1.4E-05 0.00158 0.55 1.13 722.8 0.282321 3.6 870 0.282228 6.9 22.6 DF06-08_61 0.28261 4.2E-05 0.00581 0.33 1.01 780.2 0.282285 8.3 870 0.282228 10.3 53.1 DF06-08_63 R 0.28162 1.8E-05 0.00090 1.88 2.26 0.282772-40.9 2100 0.281444 6.1 13.0 DF06-08_65 0.28239 1.9E-05 0.00083 0.63 1.19 687.0 0.282343 1.1 870 0.282228 5.2 12.9 DF06-08_70 0.28165 2.5E-05 0.00095 1.83 2.21 1130.5 0.282064-15.4 1130 0.282064-15.4 13.7 DF06-08_71 0.28247 2.1E-05 0.00080 0.51 1.07 741.3 0.282309 5.1 870 0.282228 8.0 9.7 DF06-08_74 0.28225 1.9E-05 0.00057 0.85 1.37 1085.5 0.282092 5.2 1130 0.282064 6.2 9.7 DF06-08_76 0.28249 2.5E-05 0.00114 0.47 1.05 693.2 0.282340 4.8 870 0.282228 8.7 18.0 DF06-08_77 0.28174 2.2E-05 0.00112 1.70 2.10 1474.5 0.281845-4.9 1380 0.281906-7.0 17.2 DF06-08_80 0.28247 2.2E-05 0.00161 0.51 1.09 1087.0 0.282091 12.2 1130 0.282064 13.2 21.7 DF06-08_81 R 0.28222 2.6E-05 0.00143 0.92 1.44 0.282772-19.5 870 0.282228-0.3 20.5 DF06-08_84 0.28237 3.4E-05 0.00132 0.68 1.23 1044.0 0.282119 7.8 1100 0.282083 9.1 19.9 DF06-08_87 0.28204 3.6E-05 0.00135 1.21 1.69 1043.0 0.282119-3.6 1100 0.282083-2.4 22.0 DF06-08_88 0.28232 2.5E-05 0.00169 0.76 1.31 1017.0 0.282136 5.4 1100 0.282083 7.3 23.2 DF06-08_90 0.28210 2.1E-05 0.00093 1.10 1.59 988.0 0.282154-2.5 1100 0.282083 0.0 12.9 DF06-08_100 0.28192 2.2E-05 0.00059 1.38 1.82 1131.0 0.282064-5.6 1130 0.282064-5.6 8.2 DF06-08_103 R 0.28147 2.5E-05 0.00057 2.09 2.43 0.282772-45.9 2100 0.281444 1.0 9.1 DF06-08_106 0.28245 2.5E-05 0.00095 0.53 1.10 745.9 0.282306 4.7 870 0.282228 7.5 12.5 DF06-08_110 0.28189 2.3E-05 0.00052 1.43 1.87 1453.5 0.281859 0.4 1380 0.281906-1.2 8.3 DF06-08_111 0.28232 2.6E-05 0.00104 0.75 1.29 1041.5 0.282120 6.2 1130 0.282064 8.2 15.8 R denotes samples removed due to high error and/or discordance in U-Pb analysis. *T Int reflects upper U-Pb concordia intercept 147

Table 4-49. Sm/Nd corrected results for the Northern Zone of the Congo craton. Sample Sm (ppm) Nd (ppm) 147Sm /144Nd 143Sm /144Nd E(0) T CHUR T DM (Lin) T DM (-) E(t)* DF06-21 7.55 32.42 0.1408 0.512292-6.6 0.93 1.99 1.56-2.2 DF09-36 0.30 0.68 0.2675 0.512241-7.6-0.83-2.57-21.66-13.3 *T equals 625 Ma Table 4-50. Sm/Nd corrected results for the Central Zone of the Congo craton. Sample Sm (ppm) Nd (ppm) 147Sm /144Nd 143Sm /144Nd E(0) T CHUR T DM (Lin) T DM (-) CZ49 0.73 5.37 0.0822 0.511545-21.2 1.45 1.97 1.73-12.1 CZ29 13.18 97.87 0.0814 0.511199-27.9 1.90 2.36 2.13-18.8 CZ40 4.37 22.89 0.1155 0.511553-21.0 2.03 2.64 2.32-14.6 CZ38b 5.66 29.57 0.1158 0.511729-17.6 1.71 2.37 2.04-11.2 CZ53b 7.49 36.36 0.1246 0.512214-8.1 0.89 1.75 1.41-2.4 CZ35 5.22 25.43 0.1241 0.512272-7.0 0.76 1.64 1.30-1.2 *T equals 625 Ma E(t)* Table 4-51. Sm/Nd corrected results for the Southern Zone of the Congo craton. Sample Sm (ppm) Nd (ppm) 147Sm /144Nd 143Sm /144Nd E(0) T CHUR T DM (Lin) T DM (-) SZ47b 6.99 33.94 0.1246 0.512211-8.2 0.89 1.76 1.41-2.5 SZ90 3.97 16.79 0.1430 0.512260-7.2 1.06 2.13 1.68-3.0 SZ80 5.24 20.76 0.1527 0.512209-8.2 1.48 2.62 2.08-4.8 SZ78 9.75 47.18 0.1250 0.512150-9.4 1.03 1.88 1.53-3.7 SZ77 6.38 31.40 0.1229 0.512117-10.0 1.07 1.89 1.55-4.2 SZ65a 5.14 24.51 0.1268 0.512133-9.7 1.09 1.95 1.59-4.2 IE4 9.44 44.12 0.1294 0.512209-8.2 0.96 1.87 1.50-2.9 IE1a 7.75 36.91 0.1270 0.512145-9.5 1.07 1.93 1.57-4.0 DF09-14 5.71 18.20 0.1896 0.512907 5.4-6.77 2.18 0.86 5.9 DF06-22 7.10 33.53 0.1281 0.512187-8.6 0.99 1.88 1.51-3.2 DF09-02 6.56 28.99 0.1369 0.512134-9.7 1.28 2.21 1.80-5.0 SZ13 7.25 37.45 0.1171 0.512168-9.0 0.89 1.69 1.37-2.7 *T equals 625 Ma E(t)* 148

Table 4-52. Sm/Nd corrected results for the Southern Margin Zone of the Kalahari craton. Sample Sm (ppm) Nd (ppm) 147Sm /144Nd 143Sm /144Nd E(0) T CHUR T DM (Lin) T DM (-) E(t)* DF09-10 5.87 22.95 0.1548 0.512231-7.8 1.47 2.66 2.10-4.5 DF09-11 4.34 23.27 0.1127 0.511831-15.6 1.46 2.14 1.82-8.9 DF09-07 8.58 40.83 0.1271 0.511903-14.2 1.61 2.37 2.00-8.7 DF09-09 3.92 15.54 0.1526 0.512648 0.4-0.06 1.46 0.98 3.8 SZ99b 7.27 35.51 0.1238 0.511956-13.1 1.42 2.19 1.84-7.4 SZ87b 7.21 35.02 0.1245 0.511969-12.9 1.41 2.19 1.83-7.2 *T equals 625 Ma Table 4-53. Sm/Nd corrected results for the Naukluft Nappes of the Kalahari craton. Sample Sm (ppm) Nd (ppm) 147Sm /144Nd 143Sm /144Nd E(0) T CHUR T DM (Lin) T DM (-) DF06-48 7.08 36.04 0.1188 0.511975-12.8 1.29 2.04 1.71-6.6 DF09-16 3.14 5.71 0.3332 0.512104-10.3-0.59-1.37-56.95-21.3 *T equals 625 Ma E(t)* Table 4-54. Sm/Nd corrected results for the Southern Foreland Zone of the Kalahari craton. Sample Sm (ppm) Nd (ppm) 147Sm /144Nd 143Sm /144Nd E(0) T CHUR T DM (Lin) T DM (-) E(t)* DF06-49 7.25 35.82 0.1224 0.512164-9.1 0.97 1.80 1.46-3.2 *T equals 625 Ma Table 4-55. Sm/Nd corrected results for the Kaoko belt of the Congo craton. Sample Sm (ppm) Nd (ppm) 147Sm /144Nd 143Sm /144Nd E(0) T CHUR T DM (Lin) T DM (-) DF06-08 5.89 27.37 0.1302 0.512255-7.3 0.87 1.80 1.43-2.1 *T equals 625 Ma E(t)* Table 4-56. Pb/Pb analysis data for the Northern Zone of the Congo craton. Corrected isotope ratios and errors Sample 206 Pb/ 204 Pb error 207 Pb/ 204 Pb error 208 Pb/ 204 Pb error DF06-21 19.538 0.00150 15.712 0.00130 39.032 0.0032 DF09-36 18.216 0.00110 15.644 0.00097 37.955 0.0023 149

Table 4-57. Pb/Pb analysis data for the Central Zone of the Congo craton. Corrected isotope ratios and errors Sample 206 Pb/ 204 Pb error 207 Pb/ 204 Pb error 208 Pb/ 204 Pb error CZ49 17.674 0.00120 15.662 0.00120 37.876 0.0025 CZ29 30.658 0.00300 16.485 0.00180 56.113 0.0062 CZ40 18.315 0.00110 15.767 0.00110 39.074 0.0032 CZ38b 19.276 0.00110 15.792 0.00094 39.763 0.0026 CZ53b 19.365 0.00110 15.715 0.00093 38.976 0.0027 CZ35 19.132 0.00085 15.670 0.00073 38.591 0.0024 Table 4-58. Pb/Pb analysis data for the Southern Zone of the Congo craton. Corrected isotope ratios and errors Sample 206 Pb/ 204 Pb error 207 Pb/ 204 Pb error 208 Pb/ 204 Pb error SZ47b 19.144 0.00093 15.695 0.00082 38.700 0.0023 SZ90 18.825 0.00072 15.688 0.00067 38.504 0.0018 SZ80 19.318 0.00074 15.726 0.00071 38.930 0.0021 SZ78 19.071 0.00054 15.716 0.00049 38.781 0.0016 SZ77 19.703 0.00094 15.728 0.00073 39.000 0.0018 SZ65a 18.424 0.00070 15.673 0.00060 38.203 0.0017 IE4 20.092 0.00110 15.764 0.00099 39.934 0.0025 IE1a 18.413 0.00057 15.669 0.00054 38.072 0.0017 DF09-14 18.956 0.00110 15.619 0.00096 38.623 0.0023 DF06-22 20.238 0.00130 15.776 0.00110 40.078 0.0034 DF09-02 19.324 0.00090 15.729 0.00074 38.985 0.0020 SZ13 19.209 0.00190 15.707 0.00170 39.122 0.0050 Table 4-59. Pb/Pb analysis data for the Southern Margin Zone of the Kalahari craton. Corrected isotope ratios and errors Sample 206 Pb/ 204 Pb error 207 Pb/ 204 Pb error 208 Pb/ 204 Pb error DF09-10 19.276 0.00100 15.702 0.00077 39.314 0.0019 DF09-11 18.813 0.00075 15.689 0.00062 39.476 0.0017 DF09-07 18.675 0.00052 15.691 0.00050 39.114 0.0014 DF09-09 18.057 0.00055 15.644 0.00061 37.872 0.0017 SZ99b 19.650 0.00072 15.763 0.00077 39.928 0.0020 SZ87b 19.188 0.00075 15.732 0.00062 39.302 0.0018 DF09-03 19.385 0.00072 15.740 0.00057 39.709 0.0014 150

Table 4-60. Pb/Pb analysis data for the Naukluft Nappes of the Kalahari craton. Corrected isotope ratios and errors Sample 206 Pb/ 204 Pb error 207 Pb/ 204 Pb error 208 Pb/ 204 Pb error DF06-48 21.398 0.00180 15.859 0.00130 43.655 0.0039 DF09-16 18.619 0.00130 15.692 0.00110 38.599 0.0029 Table 4-61. Pb/Pb analysis data for the Southern Foreland Zone of the Kalahari craton. Corrected isotope ratios and errors Sample 206 Pb/ 204 Pb error 207 Pb/ 204 Pb error 208 Pb/ 204 Pb error DF06-49 19.426 0.00100 15.709 0.00089 39.131 0.0023 Table 4-62. Pb/Pb analysis data for the Kaoko belt of the Congo craton. Corrected isotope ratios and errors Sample 206 Pb/ 204 Pb error 207 Pb/ 204 Pb error 208 Pb/ 204 Pb error DF06-08 18.909 0.00110 15.675 0.00110 38.439 0.0032 151

Table 4-63. Major oxide element analysis data for the Damara Orogen. NZ Central Zone Southern Zone Sample DF06-21 CZ49 CZ29 CZ40 CZ38b CZ53b CZ35 SZ47b SZ90 SZ80 SZ78 SZ77 wt% Al 2 O 3 7.41 2.65 7.37 8.96 17.15 11.47 9.59 15.14 18.08 13.12 19.11 18.78 CaO 14.04 0.05 0.22 1.99 0.94 2.22 2.25 0.76 1.15 2.40 2.13 6.37 Fe 2 O 3 3.07 0.58 3.18 3.33 9.46 5.86 3.81 7.47 8.97 6.53 10.27 7.83 K 2 O 1.05 2.22 1.04 4.38 3.01 1.97 2.39 4.07 5.62 2.07 4.13 4.35 MgO 1.71 0.05 0.14 1.49 3.86 2.24 1.32 3.52 4.34 2.58 4.41 5.45 MnO 0.26 0.01 0.01 0.06 0.13 0.09 0.05 0.07 0.08 0.14 0.20 0.06 Na 2 O 2.12 0.01 3.90 0.76 1.29 2.72 2.25 1.39 1.17 2.70 2.70 1.52 P 2 O 5 0.16 0.01 0.06 0.10 0.07 0.22 0.11 0.20 0.29 0.24 0.27 0.17 SiO 2 57.31 95.09 83.74 77.25 61.10 71.57 75.90 64.17 55.59 69.15 54.42 50.63 TiO 2 0.66 0.02 0.48 0.37 0.83 0.97 0.49 0.91 1.08 0.86 1.20 0.91 LOI 12.42 0.17 0.20 1.23 2.43 0.61 2.59 1.72 3.35 0.53 1.78 3.44 Total 100.20 100.78 100.32 99.92 100.25 99.92 100.75 99.43 99.72 100.31 100.62 99.51 152

Table 4-63. Continued. Southern Zone Southern Margin Zone Naukluft Nappes SFZ Kaoko Belt Sample SZ65a IE4 IE1a DF06-22 SZ13 SZ99b SZ87b DF06-48 DF06-49 DF06-08 wt% Al 2 O 3 19.15 14.44 19.74 14.02 10.38 19.12 17.99 17.12 11.56 11.36 CaO 0.50 1.29 2.35 2.18 1.03 3.28 1.65 0.82 2.07 1.77 Fe 2 O 3 8.36 7.15 10.42 7.33 4.64 9.64 9.74 8.38 3.80 5.11 K 2 O 5.26 3.52 4.04 3.12 2.51 3.88 2.86 3.63 3.67 1.97 MgO 4.00 2.76 5.18 2.87 1.59 4.05 4.23 4.43 1.32 2.29 MnO 0.12 0.10 0.14 0.12 0.06 0.20 0.27 0.04 0.06 0.09 Na 2 O 1.09 2.54 3.06 2.43 2.63 2.13 2.26 1.25 1.39 2.62 P 2 O 5 0.22 0.44 0.23 0.21 0.18 0.13 0.14 0.12 0.15 0.14 SiO 2 57.27 63.91 50.86 65.93 75.81 55.94 58.63 58.97 73.23 72.43 TiO 2 0.97 1.21 1.15 0.89 0.71 0.91 0.94 0.77 0.61 0.64 LOI 2.34 1.68 2.09 0.77 1.12 1.32 2.10 5.22 2.87 1.03 Total 99.28 99.05 99.26 99.88 100.66 100.59 100.80 100.76 100.72 99.45 153

Table 4-64. Trace element analysis data for the Damara Orogen. Northern Zone Central Zone Southern Zone Sample DF06-21 DF09-36 CZ49 CZ29 CZ40 CZ38b CZ53b CZ35 SZ47b SZ90 SZ80 SZ78 mg/kg Rb 39.90 13.92 80.29 123.69 725.90 234.13 91.42 366.22 151.53 224.77 96.54 163.96 Ba 192.80 30.94 321.44 163.93 4734.25 677.49 495.81 4361.14 664.02 1078.70 389.12 740.39 Th 9.46 0.50 2.72 182.33 61.88 14.62 11.69 38.41 12.03 14.97 8.72 12.58 U 2.86 0.21 0.46 21.34 3.51 3.17 2.43 10.08 2.95 2.53 2.27 4.57 Nb 11.98 1.84 0.92 116.37 55.40 15.16 16.21 43.07 15.31 18.88 13.04 22.39 Ta 0.87 0.12 0.10 12.21 4.78 1.44 1.17 3.39 1.22 1.41 1.00 1.69 La 35.53 1.10 9.34 754.25 140.27 36.83 39.70 124.69 36.26 17.19 17.10 49.67 Ce 74.92 2.07 12.67 1501.20 289.30 72.72 68.70 286.77 75.61 28.90 81.33 88.69 Pb 16.29 4.36 9.95 32.28 135.16 25.66 16.65 77.65 21.85 21.12 14.18 22.79 Pr 8.99 0.31 1.62 149.35 31.85 8.46 9.86 31.29 9.05 4.74 5.50 12.00 Sr 560.47 14.32 16.36 83.70 581.09 81.04 190.51 696.47 80.41 68.59 128.46 117.90 Nd 35.09 1.36 5.30 462.41 113.88 31.24 37.97 119.53 34.39 18.58 20.53 44.82 Zr 190.80 13.41 30.69 197.00 331.00 66.26 198.50 698.16 156.41 130.65 82.82 124.09 Hf 5.56 0.38 0.99 7.12 9.95 1.91 5.82 20.36 4.44 3.69 2.40 3.35 Sm 8.44 0.30 0.77 63.72 22.56 6.29 8.12 25.35 7.56 4.54 5.50 9.79 Eu 1.57 0.13 0.18 7.00 3.65 1.57 1.48 4.74 1.32 0.91 1.14 1.86 Dy 7.14 0.18 0.44 24.03 16.81 4.23 6.17 16.74 4.94 4.63 4.86 8.54 Y 41.50 0.54 1.60 114.72 96.51 21.94 32.64 93.36 26.57 25.31 22.59 52.01 Ho 1.39 0.04 0.08 4.09 3.28 0.80 1.16 3.16 0.95 0.89 0.90 1.75 Yb 3.91-0.06 0.26 8.61 8.78 2.27 3.13 8.84 2.80 2.09 2.18 6.90 Lu 0.57-0.01 0.05 1.09 1.25 0.34 0.47 1.37 0.42 0.33 0.32 1.05 154

Table 4-64. Continued. Southern Zone Southern Margin Zone Sample SZ77 SZ65a IE4 IE1a DF09-14 DF06-22 DF09-02 SZ13 DF09-10 DF09-11 DF09-07 DF09-09 mg/kg Rb 180.75 200.68 136.55 200.57 1.00 127.53 60.95 106.31 64.30 158.56 212.14 11.98 Ba 743.84 1224.41 733.58 672.08 19.01 934.06 215.59 799.33 740.11 980.60 1035.21 83.43 Th 13.28 16.27 16.84 13.89 1.02 10.55 10.17 10.31 2.80 11.65 15.86 0.92 U 4.75 2.98 3.84 3.56 0.29 2.69 2.51 1.97 0.73 2.75 1.34 0.26 Nb 14.48 15.80 20.14 20.72 14.15 15.47 12.14 13.08 8.66 11.06 15.93 14.38 Ta 1.14 1.00 1.54 1.54 0.83 1.19 0.98 0.95 0.60 1.11 1.43 0.91 La 35.64 25.84 45.86 40.63 9.85 34.80 29.20 41.45 16.88 27.02 43.77 9.96 Ce 75.34 55.89 97.69 81.36 25.24 73.33 67.89 88.75 39.58 60.52 93.58 24.11 Pb 19.06 74.67 14.88 50.61 1.85 9.35 16.54 15.61 3.12 17.69 22.37 13.94 Pr 8.86 6.60 11.63 10.27 3.75 8.82 7.68 9.93 5.18 6.48 10.92 3.34 Sr 254.13 70.74 121.11 150.12 422.54 100.30 77.43 256.41 55.66 75.12 132.93 359.41 Nd 33.21 25.27 43.96 38.19 18.20 33.66 28.99 37.33 22.95 23.27 40.83 14.92 Zr 62.51 166.51 185.79 155.40 12.11 135.47 130.69 137.66 30.95 90.56 118.36 16.22 Hf 1.78 4.64 5.36 4.29 0.51 3.81 3.80 3.87 0.95 3.02 3.48 0.58 Sm 7.01 5.54 9.90 8.54 5.71 7.49 6.56 7.61 5.87 4.34 8.58 3.92 Eu 1.40 1.09 1.80 1.65 1.86 1.50 1.32 1.52 1.61 0.80 1.72 1.40 Dy 5.37 3.34 8.17 6.77 8.10 5.02 6.54 6.15 6.74 2.90 6.71 3.90 Y 29.87 15.45 43.98 37.94 49.06 25.82 38.00 34.30 37.88 17.09 36.24 20.21 Ho 1.06 0.57 1.56 1.31 1.70 0.92 1.33 1.20 1.36 0.59 1.26 0.73 Yb 2.72 1.71 3.83 3.74 4.41 2.34 4.24 3.13 3.03 1.79 2.73 1.41 Lu 0.39 0.30 0.55 0.53 0.61 0.37 0.67 0.43 0.42 0.28 0.37 0.19 155

Table 4-64. Continued. Southern Margin Zone Naukluft Nappes SFZ Kaoko Belt Sample SZ99b SZ87b DF09-03 DF06-48 DF09-16 DF06-49 DF06-08 mg/kg Rb 180.27 143.09 57.89 161.91 70.90 137.90 90.40 Ba 557.36 498.82 302.51 501.62 274.58 851.11 467.98 Th 14.19 14.79 9.52 15.54 5.46 9.56 8.30 U 3.04 2.42 1.49 2.68 1.21 2.55 2.63 Nb 14.43 16.79 8.51 14.85 5.56 9.81 11.85 Ta 1.11 1.31 0.66 1.06 0.42 0.83 0.87 La 41.51 42.33 10.42 47.10 17.21 42.87 29.59 Ce 80.52 83.85 42.11 97.01 35.21 68.49 64.78 Pb 13.55 21.41 9.74 5.38 14.64 17.32 22.15 Pr 9.66 10.07 2.70 11.08 4.08 10.22 7.52 Sr 284.81 145.05 28.98 19.04 425.98 66.47 130.22 Nd 35.76 37.09 10.41 41.70 15.19 38.78 29.53 Zr 89.17 111.17 65.74 142.41 61.90 189.24 142.68 Hf 2.51 3.11 1.94 4.30 1.78 5.37 4.09 Sm 7.63 8.07 2.36 8.46 3.14 8.07 6.65 Eu 1.47 1.55 0.51 1.50 0.86 1.45 1.19 Dy 6.33 6.63 2.46 6.14 2.54 6.65 5.34 Y 38.73 41.00 14.63 34.13 14.19 38.81 29.03 Ho 1.25 1.31 0.53 1.20 0.51 1.33 1.03 Yb 3.24 3.51 1.61 3.50 1.59 3.57 2.84 Lu 0.47 0.50 0.24 0.52 0.27 0.53 0.41 156

Relative probability 0.6 data-point error ellipses are 2s 0.53 data-point error ellipses are 2 0.5 2500 0.51 0.49 2600 0.4 0.47 2500 206 Pb/ 238 U 0.3 0.2 1500 206 Pb/ 238 U 0.45 2300 0.43 2400 0.1 500 0.0 0 2 4 6 8 10 12 14 207 Pb/ 235 U A 0.41 Intercepts at 220±200 & 2568±11 [±13] Ma 0.39 MSWD = 0.055 0.37 8.5 9.5 10.5 11.5 12.5 207 Pb/ 235 U B N=17 400 800 1200 1600 2000 2400 2800 3200 Age (Ma) C Figure 4-1. Zircon geochronology analysis for sample BDG06-91 from the Mulden Formation in the Northern Foreland Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram showing discordia line. C) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. 157

Number Relative probability EHf Value data-point error ellipses are 2s data-point error ellipses are 2s 0.4 0.3 1800 0.21 0.19 0.17 1100 206 Pb/ 238 U 0.2 1000 0.1 200 0.0 0 2 4 6 8 207 Pb/ 235 U A 206 Pb/ 238 U 900 0.15 0.13 700 0.11 Intercepts at 165±110 & 1114±24 Ma 0.09 500 MSWD = 3.1 0.07 0.6 1.0 1.4 1.8 2.2 207 Pb/ 235 U B N=52 C 500 700 900 1100 1300 1500 1700 1900 2100 Age (Ma) 6 N=17 5 14 12 DM 10 8 6 4 2 0-2 -4-6 D 0 500 1000 1500 2000 U-Pb Age (Ma) 4 3 2 1 0 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 T DM Model Age (Ga) E Figure 4-2. Zircon geochronology analysis for sample DF09-26 from the Kuiseb Schist in the Northern Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram showing discordia line. C) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. D) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. E) Lu-Hf DM model age histogram of concordant grains. 158

Number Relative probability EHf 1750 data-point error ellipses are 2s 0.38 data-point error ellipses are 2s 2050 0.4 1800 0.36 1950 0.3 206 Pb/ 238 U 0.2 1000 206 Pb/ 238 U 0.34 0.32 1850 0.1 200 0.0 0 2 4 6 8 207 Pb/ 235 U N=10 A Intercepts at 0.30 206±210 & 1994±13 [±14] Ma MSWD = 0.61 0.28 4.6 5.0 5.4 5.8 6.2 6.6 207 Pb/ 235 U 6.0 4.0 B 2.0 0.0-2.0-4.0-6.0 500 700 900 1100 1300 1500 1700 1900 2100 2300 Age (Ma) 5 4 N=6 C -8.0 D -10.0 0 500 1000 1500 2000 2500 U-Pb Age (Ma) 3 2 1 0 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 T DM Model Age (Ga) E Figure 4-3. Zircon geochronology analysis for sample DF09-30 from the Kuiseb Schist in the Northern Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram showing discordia line. C) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. D) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. E) Lu-Hf DM model age histogram of concordant grains. 159

Number Relative probability EHf Value data-point error ellipses are 2s data-point error ellipses are 2s 0.19 0.17 1100 0.38 2000 206 Pb/ 238 U 0.15 0.13 0.11 700 900 206 Pb/ 238 U 0.34 0.30 1600 1800 0.09 500 0.07 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 207 Pb/ 235 U N=53 Intercepts at 451 45 & 1057 11 [ 14] Ma MSWD = 1.5 A 0.26 Intercepts at 833±250 & 2078±39 [±40] Ma MSWD = 0.27 0.22 3.5 4.5 5.5 6.5 7.5 207 Pb/ 235 U 5.0 0.0 B -5.0-10.0-15.0 900 1100 1300 1500 1700 1900 2100 2300 Age (Ma) 5 N=20 4 C -20.0 D -25.0 0 500 1000 1500 2000 2500 U-Pb Age (Ma) 3 2 1 0 2.10 2.15 2.20 2.25 2.30 2.35 2.40 2.45 2.50 2.55 2.60 T DM Model Age (Ga) E Figure 4-4. Zircon geochronology analysis for sample DF09-44 from the Nosib Group in the Central Zone. A) U-Pb concordia diagram with discordia line. B) U-Pb concordia diagram showing discordia line. Gray ovals indicate discordant grains which were removed. C) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. D) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. E) Lu-Hf DM model age histogram of concordant grains. 160

Number Relative probability EHf value 0.45 data-point error ellipses are 2s 0.185 data-point error ellipses are 2s 2200 1050 0.175 0.35 0.165 206 Pb/ 238 U 0.25 1400 206 Pb/ 238 U 0.155 950 0.15 600 A 0.05 0 2 4 6 8 207 Pb/ 235 U 0.145 850 Intercepts at 0.135 212±250 & 1026±26 [±27] Ma MSWD = 3.0 B 0.125 1.25 1.35 1.45 1.55 1.65 1.75 1.85 207 Pb/ 235 U N=7 C 0.0-2.0-4.0-6.0-8.0-10.0-12.0-14.0-16.0-18.0-20.0 0 500 1000 1500 2000 2500 D 3 900 1100 1300 1500 1700 1900 2100 2300 Age (Ma) U-Pb Age (Ma) N=7 2 1 0 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 T DM Model Age (Ga) E Figure 4-5. Zircon geochronology analysis for sample CZ29 from the Khan Formation in the Central Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram showing discordia line. C) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. D) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. E) Lu-Hf DM model age histogram of concordant grains. 161

Relative probability data-point error ellipses are 2s 0.8 N=13 0.6 206 Pb/ 238 U 0.4 2500 1500 0.2 500 0.0 0 4 8 12 16 20 24 207 Pb/ 235 U A 600 1000 1400 1800 2200 2600 3000 Age (Ma) B Figure 4-6. Zircon geochronology analysis for sample CZ40 from the Rossing Formation in the Central Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. 162

Number Relative probability Ehf Value data-point error ellipses are 2s data-point error ellipses are 2s 0.22 1300 0.19 1100 0.18 0.18 206 Pb/ 238 U 0.14 900 206 Pb/ 238 U 0.17 1000 0.16 0.10 500 A 0.06 0.4 0.8 1.2 1.6 2.0 2.4 2.8 207 Pb/ 235 U Intercepts at 900 0.15 833±170 & 1106±93 [±94] Ma MSWD = 1.6 0.14 1.35 1.45 1.55 1.65 1.75 1.85 1.95 207 Pb/ 235 U B N=64 15.0 10.0 DM 5.0 0.0-5.0-10.0 500 600 700 800 900 1000 1100 1200 1300 1400 Age (Ma) 9 C -15.0 D -20.0 0 200 400 600 800 1000 1200 1400 U-Pb Age (Ma) 8 N=42 7 6 5 4 3 2 1 0 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 TDM Model Age (Ga) Figure 4-7. Zircon geochronology analysis for sample CZ53b from the Tinkas Formation in the Central Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram showing discordia line. C) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. D) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. E) Lu-Hf DM model age histogram of concordant grains. E 163

Number Relative probability Epsilon Hf value data-point error ellipses are 2s 0.26 data-point error ellipses are 2 0.4 0.22 1300 1800 0.3 206 Pb/ 238 U 0.2 1000 206 Pb/ 238 U 0.18 0.14 900 0.1 0.10 200 0.0 0 2 4 6 8 207 Pb/ 235 U N=77 A 500 0.06 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 207 Pb/ 235 U 30.0 25.0 B 20.0 15.0 10.0 DM 5.0 0.0-5.0-10.0 500 700 900 1100 1300 1500 1700 1900 2100 2300 Age (Ma) C -15.0-20.0 0 500 1000 1500 2000 2500 U-Pb Age (Ma) D 10 N=46 8 6 4 2 0 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 TDM model age (Ga) E Figure 4-8. Zircon geochronology analysis for sample CZ35 from the Karibib Formation in the Central Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram from 1300 to 500 Ma. C) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. D) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. E) Lu-Hf DM model age histogram of concordant grains. 164

Number Relative probability Ehf Value 0.8 data-point error ellipses are 2s 0.40 data-point error ellipses are 2s 0.36 0.6 2500 0.32 1800 206 Pb/ 238 U 0.4 1500 206 Pb/ 238 U 0.28 0.24 1400 0.2 500 0.0 0 4 8 12 16 20 207 Pb/ 235 U A 0.20 349±110 & 1981±26 [±27] Ma MSWD = 2.8 0.16 2.5 3.5 4.5 5.5 6.5 207 Pb/ 235 U Intercepts at B N=16 20.0 10.0 0.0 DM -10.0-20.0-30.0-40.0 400 800 1200 1600 2000 2400 2800 3200 3600 Age (Ma) 6 5 N=15 C -50.0 D -60.0 0 500 1000 1500 2000 2500 3000 3500 U-Pb Age (Ma) 4 3 2 1 0-0.5 0.5 1.5 2.5 3.5 4.5 5.5 T DM Model Age (Ga) E Figure 4-9. Zircon geochronology analysis for sample DF06-22 (SZ40) from the Kuiseb Schist in the Matchless Amphibolite Belt of the Southern Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram showing discordia line. C) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. D) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. E) Lu-Hf DM model age histogram of concordant grains. 165

EHf Number Relative probability data-point error ellipses are 2 data-point error ellipses are 2 0.4 0.20 1800 0.18 0.3 0.16 900 206 Pb/ 238 U 0.2 1000 206 Pb/ 238 U 0.14 0.12 0.1 200 0.0 0 2 4 6 8 207 Pb/ 235 U 0.20 data-point error ellipses are 2s 1150 A 0.10 500 0.08 0.06 0.4 0.8 1.2 1.6 2.0 2.4 N=45 207 Pb/ 235 U B 0.18 206 Pb/ 238 U 0.16 0.14 950 750 Intercepts at 0.12 650±40 & 1411±74 Ma MSWD = 1.4 0.10 0.9 1.1 1.3 1.5 1.7 1.9 2.1 207 Pb/ 235 U 30.0 25.0 20.0 15.0 10.0 5.0 0.0-5.0 C DM 400 800 1200 1600 2000 2400 Age (Ma) 10 8 6 4 N=43 D -10.0-15.0-20.0 0 500 1000 1500 2000 2500 U-Pb Age (Ma) E 0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 Figure 4-10. Zircon geochronology analysis for sample SZ13 from the Kuiseb Schist in the Southern Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram from 1200 to 500 Ma. Gray ovals indicate discordant grains which were removed. C) U- Pb concordia diagram showing discordia line. D) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. E) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. F) Lu-Hf DM model age histogram of concordant grains. 2 T DM Model Age (Ga) F 166

Number Relative probability EHf Value data-point error ellipses are 2 data-point error ellipses are 2s 0.30 0.36 0.26 0.22 1400 0.32 1700 206 Pb/ 238 U 0.18 1000 0.14 0.10 600 0.06 200 0.02 0 1 2 3 4 5 207 Pb/ 235 U A 206 Pb/ 238 U 0.28 0.24 1300 Intercepts at 0.20 388±71 & 1901±18 [±19] Ma MSWD = 1.7 0.16 2 3 4 5 6 207 Pb/ 235 U B N=47 6.0 4.0 DM 2.0 0.0-2.0 900 1100 1300 1500 1700 1900 2100 Age (Ma) 6 5 N=23 C -4.0 D -6.0 0 500 1000 1500 2000 2500 U-Pb Age (Ma) 4 3 2 1 0 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 T DM Model Age (Ga) E Figure 4-11. Zircon geochronology analysis for sample DF09-12a from the Hakos Formation in the Southern Margin Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram showing discordia line. C) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. D) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. E) Lu-Hf DM model age histogram of concordant grains. 167

EHf Value Number Relative probability data-point error ellipses are 2 0.4 2000 N=41 206 Pb/ 238 U 0.3 1600 0.2 1200 800 0.1 0 2 4 6 8 207 Pb/ 235 U A 1000 1200 1400 1600 1800 2000 2200 Age (Ma) B 4.0 2.0 0.0 4 3 N=13-2.0 2-4.0-6.0-8.0 0 500 1000 1500 2000 2500 U-Pb Age (Ma) C 0 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 Figure 4-12. Zircon geochronology analysis for sample DF09-04 from the Naos Diamictite in the Southern Margin Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. C) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. D) Lu-Hf DM model age histogram of concordant grains. 1 T DM Model Age (Ga) D 168

EHf Value Number Relative probability 0.65 data-point error ellipses are 2 data-point error ellipses are 2s 0.55 0.25 1400 0.45 2500 0.23 206 Pb/ 238 U 0.35 0.25 1500 206 Pb/ 238 U 0.21 0.19 1200 0.15 500 0.05 0 4 8 12 16 207 Pb/ 235 U data-point error ellipses are 2s 2800 0.54 Intercepts at 0.50 894±99 & 2166±20 [±22] Ma MSWD = 1.7 A 0.17 1000 Intercepts at 795±70 [±71] & 1392±65 [±66] Ma 0.15 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 N=36 207 Pb/ 235 U MSWD = 1.19 B 0.46 2400 206 Pb/ 238 U 0.42 0.38 2000 0.34 Intercepts at 643±55 & 2695±12 [±15] Ma MSWD = 1.3 0.30 1600 C 0.26 3 5 7 9 11 13 15 207 Pb/ 235 U 10.0 DM 5.0 1000 1400 1800 2200 2600 3000 Age (Ma) 6 5 N=15 D 0.0-5.0 4 3 2-10.0-15.0 0 500 1000 1500 2000 2500 3000 U-Pb Age (Ma) E 0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 Figure 4-13. Zircon geochronology analysis for sample DF06-40 from the Kuibis Formation in the Southern Foreland Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram showing discordia line. C) U-Pb concordia diagram showing discordia lines. D) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. E) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. F) Lu-Hf DM model age histogram of concordant grains. 1 T DM Model Age (Ga) F 169

EHf Value Number Relative probability data-point error ellipses are 2s data-point error ellipses are 2s 0.8 0.115 700 3500 0.6 0.105 206 Pb/ 238 U 0.4 2500 206 Pb/ 238 U 0.095 600 1500 0.2 500 0.0 0 10 20 30 207 Pb/ 235 U 0.60 data-point error ellipses are 2s A 0.085 500 N=47 Intercepts at 496±39 & 896±99 [±100] Ma 0.075 0.6 0.7 0.8 0.9 1.0 207 Pb/ 235 U MSWD = 1.3 B 0.56 2800 206 Pb/ 238 U 0.52 0.48 2600 2400 0.44 Intercepts at 1806±240 & 2879±88 [±89] Ma MSWD = 0.051 C 0.40 9 11 13 15 17 207 Pb/ 235 U 15.0 10.0 DM 5.0 0.0-5.0 600 1000 1400 1800 2200 2600 3000 3400 3800 Age (Ma) 5 4 3 2 N=18 D -10.0-15.0 0 500 1000 1500 2000 2500 3000 3500 U-Pb Age (Ma) E 0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0 Figure 4-14. Zircon geochronology analysis for sample DF06-41 from the Schwarzrand Subgroup in the Southern Foreland Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram showing discordia line. C) U-Pb concordia diagram showing discordia line. D) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. E) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. F) Lu-Hf DM model age histogram of concordant grains. 1 T DM Model Age (Ga) F 170

Relative probability data-point error ellipses are 2 1200 0.19 data-point error ellipses are 2s 0.20 0.17 950 0.16 206 Pb/ 238 U 0.12 800 206 Pb/ 238 U 0.15 0.13 750 0.08 400 0.04 0.2 0.6 1.0 1.4 1.8 2.2 207 Pb/ 235 U A Intercepts at 0.11 153±52 & 1058±11 [±13] Ma MSWD = 1.4 0.09 0.9 1.1 1.3 1.5 1.7 1.9 207 Pb/ 235 U B N=16 550 650 750 850 950 1050 1150 Age (Ma) C Figure 4-15. Zircon geochronology analysis for sample DF06-46 from the Schwarzrand Subgroup in the Southern Foreland Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram showing discordia line. C) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. 171

EHf Value Number Relative probability 0.5 data-point error ellipses are 2s 0.20 data-point error ellipses are 2s 1200 0.4 0.16 206 Pb/ 238 U 0.3 0.2 1500 206 Pb/ 238 U 0.12 800 0.1 500 0.0 0 2 4 6 8 10 207 Pb/ 235 U A 0.08 400 0.04 0.2 0.6 1.0 1.4 1.8 2.2 207 Pb/ 235 U B 0.22 data-point error ellipses are 2s N=45 0.18 206 Pb/ 238 U 0.14 900 0.10 Intercepts at 120±49 & 1058±14 [±15] Ma 500 MSWD = 1.3 0.06 0.4 0.8 1.2 1.6 2.0 2.4 207 Pb/ 235 U 8.0 6.0 4.0 2.0 C 12 10 8 400 800 1200 1600 2000 2400 2800 Age (Ma) N=17 D 0.0-2.0-4.0 6 4-6.0-8.0 0 500 1000 1500 2000 2500 U-Pb Age (Ma) E 0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 Figure 4-16. Zircon geochronology analysis for sample DF06-45 from the Fish River Formation in the Southern Foreland Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram from 1200 to 400 Ma. Gray ovals indicate discordant grains which were removed. C) U-Pb concordia diagram showing discordia line. D) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. E) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. F) Lu-Hf DM model age histogram of concordant grains. 2 T DM Model Age (Ga) F 172

EHf Value Number Relative probability data-point error ellipses are 2 0.22 data-point error ellipses are 2 0.4 1800 0.18 1100 0.3 206 Pb/ 238 U 0.2 1000 206 Pb/ 238 U 0.14 0.10 700 0.1 200 0.0 0 2 4 6 207 Pb/ 235 U 0.21 data-point error ellipses are 2s 0.19 1100 A 0.06 300 0.02 0.2 0.6 1.0 1.4 1.8 2.2 N=40 207 Pb/ 235 U B 0.17 206 Pb/ 238 U 900 0.15 0.13 700 0.11 Intercepts at 444±20 & 1095±10 [±13] Ma 0.09 MSWD = 1.5 500 C 0.07 0.4 0.8 1.2 1.6 2.0 2.4 207 Pb/ 235 U 20.0 15.0 10.0 DM 500 700 900 1100 1300 1500 1700 1900 2100 Age (Ma) 5 N=15 4 D 5.0 0.0-5.0-10.0 3 2-15.0-20.0-25.0 0 200 400 600 800 1000 1200 1400 1600 U-Pb Age (Ma) E 0 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 Figure 4-17. Zircon geochronology analysis for sample DF06-44 from the Fish River Formation in the Southern Foreland Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram from 1200 to 300 Ma. Gray ovals indicate discordant grains which were removed. C) U-Pb concordia diagram showing discordia line. D) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. E) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. F) Lu-Hf DM model age histogram of concordant grains. 1 T DM Model Age (Ga) F 173

EHf Value Number Relative probability data-point error ellipses are 2 0.22 data-point error ellipses are 2 0.4 1800 0.18 0.3 206 Pb/ 238 U 0.2 1000 206 Pb/ 238 U 0.14 900 0.1 200 0.0 0 2 4 6 207 Pb/ 235 U 0.21 data-point error ellipses are 2s 0.19 1100 A 0.10 500 0.06 0.4 0.8 1.2 1.6 2.0 2.4 N=36 207 Pb/ 235 U B 0.17 206 Pb/ 238 U 900 0.15 0.13 700 0.11 Intercepts at 302±49 & 1087±14 [±15] Ma 0.09 MSWD = 1.9 500 0.07 0.6 1.0 1.4 1.8 2.2 207 Pb/ 235 U 15.0 10.0 DM C 500 700 900 1100 1300 1500 1700 1900 2100 Age (Ma) 6 5 N=21 D 5.0 0.0 4 3 2-5.0-10.0 0 500 1000 1500 2000 2500 U-Pb Age (Ma) E 0 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 Figure 4-18. Zircon geochronology analysis for sample DF06-43 from the Fish River Formation in the Southern Foreland Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram from 1200 to 300 Ma. Gray ovals indicate discordant grains which were removed. C) U-Pb concordia diagram showing discordia line. D) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. E) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. F) Lu-Hf DM model age histogram of concordant grains. 1 T DM Model Age (Ga) F 174

Age 0.20 data-point error ellipses are 2s 1100 0.095 data-point error ellipses 580 are 2 0.16 0.085 500 206 Pb/ 238 U 0.12 0.08 700 206 Pb/ 238 U 0.075 420 300 0.04 0.065 0.00 0.2 0.6 1.0 1.4 1.8 2.2 207 Pb/ 235 U A 0.055 0.48 0.52 0.56 0.60 0.64 0.68 0.72 0.76 207 Pb/ 235 U B 0.092 data-point error ellipses are 2s 560 box heights are 2s 0.088 0.084 520 540 530 Mean = 511.3 6.6 [1.3%] 95% conf. Wtd by data-pt errs only, 0 of 6 rej. MSWD = 0.82, probability = 0.53 (error bars are 2s) 206 Pb/ 238 U 0.080 0.076 480 520 510 0.072 440 Intercepts at 41±99 & 604±22 Ma 0.068 MSWD = 1.6 C 0.064 0.52 0.56 0.60 0.64 0.68 0.72 0.76 207 Pb/ 235 U 500 490 480 D Figure 4-19. Zircon geochronology analysis for sample DF09-37 from a granitic pluton in the Northern Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram from 1200 to 300 Ma. Green ovals represent grains displaying crystallization ages. Blue ovals represent grains displaying lead loss. Gray ovals indicate discordant grains which were removed. C) U-Pb concordia diagram showing discordia line. D) Mean age of crystallization diagram. 175

Number Age EHf Value 0.24 data-point error ellipses are 2 0.19 data-point error ellipses are 2s 0.20 1200 0.18 1040 0.17 0.16 206 Pb/ 238 U 0.12 800 206 Pb/ 238 U 0.16 960 0.15 880 0.08 400 0.04 0 1 2 3 A Intercepts at 0.14 277±140 & 1036±11 [±13] Ma MSWD = 2.8 B 0.13 1.3 1.4 1.5 1.6 1.7 1.8 1.9 207 Pb/ 235 U 207 Pb/ 235 U box heights are 2s 1070 Mean = 1027.9±2.2 [0.21%] 95% conf. Wtd by data-pt errs only, 0 of 38 rej. MSWD = 1.19, probability = 0.20 (error bars are 2s) 0.0-5.0 1050-10.0-15.0 1030-20.0 1010 990 6 C -25.0 D -30.0 400 500 600 700 800 900 1000 1100 U-Pb Age (Ma) N=18 5 4 3 2 1 0 1.85 1.95 2.05 2.15 2.25 2.35 2.45 2.55 T DM Model Age (Ga) E Figure 4-20. Zircon geochronology analysis for sample DF09-43 from the grainitic gneissic basement of the Central Zone. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram from 1100 to 750 Ma with discordia. Gray ovals indicate discordant grains which were removed. C) Mean age of crystallization diagram. D) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. D) Lu-Hf DM model age histogram of concordant grains. 176

Number Relative probability EHf Value data-point error ellipses are 2s data-point error ellipses are 2s 0.6 0.5 2500 0.40 0.38 Intercepts at -403±680 & 1858±18 [±19] Ma MSWD = 1.9 2100 206 Pb/ 238 U 0.4 0.3 1500 0.2 0.1 500 0.0 0 4 8 12 16 20 207 Pb/ 235 U A 206 Pb/ 238 U 0.36 1900 0.34 0.32 Intercepts at 1700-96±290 & 2049.0±8.5 [±10] Ma 0.30 MSWD = 0.31 0.28 B 0.26 4 5 6 7 207 Pb/ 235 U N=33 5.0 0.0-5.0-10.0-15.0-20.0 600 1000 1400 1800 2200 2600 3000 Age (Ma) C -25.0-30.0 0 500 1000 1500 2000 2500 U-Pb Age (Ma) D 4 N=20 3 2 1 0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 T DM Model Age (Ga) E Figure 4-21. Zircon geochronology analysis for sample DF06-18 from the Hoanib River Group in the Kaoko Belt. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram showing discordia lines. C) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. D) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. E) Lu-Hf DM model age histogram of concordant grains. 177

Number Relative probability EHf Value 0.40 data-point error ellipses are 2 0.38 data-point error ellipses are 2s 1950 0.36 0.34 206 Pb/ 238 U 0.32 0.28 1700 206 Pb/ 238 U 0.30 1550 1750 0.24 1300 0.20 2 3 4 5 6 207 Pb/ 235 U A 0.26 Intercepts at 518±89 & 1861.8±5.4 [±9.1] Ma MSWD = 1.9 B 0.22 3.2 3.6 4.0 4.4 4.8 5.2 5.6 6.0 207 Pb/ 235 U 0.0 N=48-1.0-2.0-3.0-4.0-5.0-6.0-7.0 1350 1450 1550 1650 1750 1850 1950 2050 Age (Ma) 7 C -8.0-9.0 1400 1500 1600 1700 1800 1900 2000 U-Pb Age (Ma) D 6 N=18 5 4 3 2 1 0 1.95 2.05 2.15 2.25 2.35 2.45 2.55 2.65 T DM Model Age (Ga) E Figure 4-22. Zircon geochronology analysis for sample DF09-38 from the Ogden Mylonite in the Kaoko Belt. A) U-Pb concordia diagram showing discordia line. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram showing discordia line. C) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. D) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. E) Lu-Hf DM model age histogram of concordant grains. 178

Number Relative probability EHf Value 0.6 data-point error ellipses are 2 0.54 data-point error ellipses are 2s 0.5 2600 0.50 2650 206 Pb/ 238 U 0.4 0.3 1800 206 Pb/ 238 U 0.46 0.42 2250 2450 0.2 1000 0.1 1 3 5 7 9 11 13 207 Pb/ 235 U A Intercepts at 0.38 562±98 & 2606.3±7.7 [±11] Ma MSWD = 1.02 0.34 7.5 8.5 9.5 10.5 11.5 12.5 207 Pb/ 235 U B N=23 10.0 8.0 6.0 4.0 2.0 0.0 2540 2560 2580 2600 2620 2640 Age (Ma) 4 C -2.0 D -4.0 2555 2560 2565 2570 2575 2580 2585 2590 2595 2600 2605 2610 U-Pb Age (Ma) N=9 3 2 1 0 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 T DM Model Age (Ga) E Figure 4-23. Zircon geochronology analysis for sample DF09-39 from the Ogden Mylonite in the Kaoko Belt. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram showing discordia line. C) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. D) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. E) Lu-Hf DM model age histogram of concordant grains. 179

Number Relative probability EHf Value 0.18 data-point error ellipses are 2 data-point error ellipses are 2s 0.16 900 0.15 850 206 Pb/ 238 U 0.14 0.12 0.10 700 206 Pb/ 238 U 0.13 0.11 650 750 500 0.08 0.06 A 0.04 0.5 0.7 0.9 1.1 1.3 1.5 1.7 207 Pb/ 235 U N=69 550 0.09 Intercepts at -544±180 & 816.9±8.1 [±8.7] Ma MSWD = 1.9 0.07 0.7 0.9 1.1 1.3 1.5 207 Pb/ 235 U 12.0 10.0 B 8.0 6.0 4.0 550 600 650 700 750 800 850 900 950 1000 Age (Ma) C 2.0 D 0.0 600 650 700 750 800 850 U-Pb Age (Ma) 9 8 N=30 7 6 5 4 3 2 1 0 0.80 0.85 0.90 0.95 1.00 1.05 1.10 1.15 1.20 1.25 1.30 T DM Model Age (Ga) E Figure 4-24. Zircon geochronology analysis for sample DF06-11 from the Coastal Terrane in the Kaoko Belt. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram showing discordia line. C) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. D) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. E) Lu-Hf DM model age histogram of concordant grains. 180

EHf Value Number Relative probability 0.4 data-point error ellipses are 2s data-point error ellipses are 2s 0.3 1800 0.22 0.18 206 Pb/ 238 U 0.2 1000 206 Pb/ 238 U 0.14 900 206 Pb/ 238 U 0.1 200 0.0 0 2 4 6 207 Pb/ 235 U data-point error ellipses are 2s 0.18 0.16 Intercepts at 344±150 & 1044±17 [±19] Ma MSWD = 0.109 34±230 & 1043±20 Ma MSWD = 0.000-347±330 & 988±19 Ma MSWD = 1.8 324±130 & 1017±13 [±14] Ma MSWD = 0.34 950 1050 A 0.10 500 0.06 0.4 0.8 1.2 1.6 2.0 2.4 207 Pb/ 235 U N=74 Intercepts at 579 28 & 1097 33 [ 34] Ma MSWD = 22 B 0.14 850 0.12 1.2 1.4 1.6 1.8 207 Pb/ 235 U 15.0 10.0 5.0 DM C 500 700 900 1100 1300 1500 1700 Age (Ma) 10 9 8 7 N=27 D 0.0 6-5.0 5 4-10.0 3-15.0-20.0 0 200 400 600 800 1000 1200 1400 1600 U-Pb Age (Ma) E 0 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 Figure 4-25. Zircon geochronology analysis for sample DF06-08 from the Khumib Terrane in the Kaoko Belt. A) U-Pb concordia diagram. Gray ovals indicate discordant grains which were removed. B) U-Pb concordia diagram from 1200 to 500 Ma. Gray ovals indicate discordant grains which were removed. C) U- Pb concordia diagram showing discordia lines. D) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. E) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. F) Lu-Hf DM model age histogram of concordant grains. 2 1 T DM Model Age (Ga) F 181

EHf Value Number Relative probability 0.45 data-point error ellipses are 2 0.35 data-point error ellipses are 2s 2200 0.33 1800 0.35 0.31 206 Pb/ 238 U 0.25 1400 206 Pb/ 238 U 0.29 0.27 1600 0.15 600 A 0.05 0 2 4 6 8 207 Pb/ 235 U 0.40 data-point error ellipses are 2s 2100 0.36 0.25 1400 Intercepts at 1184±78 [±79] & 1937±49 [±51] Ma 0.23 MSWD = 1.10 0.21 2.6 3.0 3.4 3.8 4.2 4.6 5.0 5.4 N=33 207 Pb/ 235 U B 206 Pb/ 238 U 0.32 0.28 1700 0.24 1300 Intercepts at 0.20 693±83 & 2085±53 [±54] Ma MSWD = 2.7 0.16 2 3 4 5 6 7 207 Pb/ 235 U 7.0 6.0 5.0 C 1200 1400 1600 1800 2000 2200 2400 Age (Ma) 5 4 N=12 D 4.0 3.0 3 2.0 1.0 2 0.0-1.0-2.0-3.0-4.0 0 500 1000 1500 2000 2500 U-Pb Age E 0 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 Figure 4-26. Zircon geochronology analysis for sample DF06-17 from the Hoanib River Formation in the Kaoko Belt. A) U-Pb concordia diagram showing discordia line. B) U-Pb concordia diagram showing discordia line. C) U-Pb concordia diagram showing discordia line. D) U-Pb probability density plot of concordant grains. 206 Pb/ 238 U ages used for grains <1 Ga, 207 Pb/ 206 Pb ages used for grains >1 Ga. E) Epsilon Hf values of concordant grains plotted against U-Pb ages of individual grains. F) Lu-Hf DM model age histogram of concordant grains. 1 T DM Model Age (Ga) F 182

Sm-NdDM εhf 30.0 20.0 10.0 DM 0.0-10.0 Congo Kalahari Nama Group -20.0-30.0 400 900 1400 1900 2400 2900 3400 U-Pb age (Ma) Figure 4-27. Comprehensive plot of all epsilon Hf data for the Congo and Kalahari cratonic margins. Nama Group metasediments are plotted separately because they may incorporate Congo source terrains. Kaoko Belt samples are included in Congo data. 3 2 1 0-1 Kalahari Congo -2-3 -200 0 200 400 600 800 Distance from SZ-SMZ (km) Figure 4-28. Comprehensive plot of all Sm-Nd Dm model ages against relative distance to the SZ-SMZ boundary, the suture between the Congo and Kalahari cratons. 183

Epsilon Nd value 10 5 0-5 -10-15 Congo Kalahari Kaoko -20-25 500 550 600 650 700 750 800 850 Time of Deposition (Ma) Figure 4-29. Comprehensive plot of all epsilon Nd data for the Congo and Kalahari cratonic margins. 15.95 data-point error ellipses are 2s 15.95 data-point error ellipses are 2s 15.85 15.85 207 Pb/ 204 Pb 15.75 207 Pb/ 204 Pb 15.75 15.65 15.65 Age = 777 +350/-890 Ma Age = 154 +670/-1400 Ma 15.55 17 18 19 20 21 22 206 Pb/ 204 Pb A 15.55 17 18 19 20 21 22 23 206 Pb/ 204 Pb B Figure 4-30. Pb/Pb plot. A) Kalahari cratonic margin Pb/Pb data. B) Congo cratonic margin Pb/Pb data. 184

Sample/chondrite Sample/chondritic value Sample/chondrite Other Oxides (wt %) 20 18 16 14 12 10 8 6 4 2 A 20 18 16 14 12 10 0 0 40 50 60 70 80 40 50 60 70 80 90 100 SiO2 (wt %) SiO2 (wt %) 8 6 4 2 B Al2O3 CaO Fe2O3 K2O MgO MnO Na2O P2O5 TiO2 Figure 4-31. A) Bivariate oxide plot of major element oxide percentages from the Kalahari cratonic margin. B) Bivariate oxide plot of major element oxide percentages from the Congo cratonic margin. 1000 1000. 100 10 SZ65a SZ77 SZ78 SZ90 IE1a 100 10 SZ80 SZ87b SZ99b SZ47b IE4 CZ38b DF06-22 DF06_48 1 La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu A 1 La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu B 10000 1000 100 10 CZ29 CZ35 CZ40 CZ49 CZ53b DF06_08 DF06_21 DF06-49 SZ13 1 La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu C Figure 4-32. A) Rare earth element (REE) diagram of all pelitic samples from the Congo and Kalahari cratonic margins, inclusive of the Kaoko Belt. B) REE diagram of all semi-pelitic samples from the Congo and Kalahari cratonic margins, inclusive of the Kaoko Belt. C) REE diagram of all psammitic samples from the Congo and Kalahari cratonic margins, inclusive of the Kaoko Belt. 185

CHAPTER 5 DISCUSSION Detrital Zircon Analyses Stratigraphic Comparison Formations deposited between ca. 700 and 600 Ma on the Congo cratonic margin (the Karibib Formation, Gauss Formation, Tinkas Formation and Kuiseb Schist) show similar detrital zircon age populations. The four samples collected in the Central Zone (CZ) from strata in the Rossing Formation, Khan Formation and Etusis Formation, which were all deposited prior to ca. 700 Ma, as well as the local granitic gneiss basement, display major populations of zircons at 980-1100 Ma (Figure 5-1). Samples from strata deposited at 740, 750 and 770 Ma, in the Rossing, Khan and Etusis Formations in the Central Zone, as well as a sample from the Kuiseb Schist in the Matchless Amphibolite Belt deposited at 635 Ma in the Southern Zone and samples from the Mulden and Kuiseb Fms. in the Northern Zone, display another major zircon age population at 2100-1900 Ma. All samples deposited after ca. 700 Ma along the Congo cratonic margin also contain zircons with ages of ca. 800-550 Ma, regardless of zone (Figure 5-2; Figure 5-3). This is consistent with widespread dispersal of detritus across the Congo margin platform and shelf after ca. 700 Ma. The sedimentary rocks deposited between 700 and 580 Ma along the margin of the Kalahari Craton lack the 600-800 Ma zircon population, suggesting different sedimentary source terranes at ca. 600 Ma. The Southern Margin Zone (SMZ) samples that were deposited prior to 600 Ma (Naos Diamictite and Kudis Formation) do not contain the ca. 600-800 Ma population seen in the younger stratigraphy (Figure 5-4). The younger Nama Group strata in the Southern Foreland Zone (SFZ) samples, however, exhibit a population of zircons at 700-550 Ma (Figure 5-186

5), although it is not as prominent as those of the Congo margin samples. These zircons may have been derived from the Congo margin sediments that were uplifted within the Damara Orogen and deposited in the Nama foreland basins. The Hf-isotope data from zircons from the Northern Zone (NZ; Figure 5-6), Central Zone (CZ; Figure 5-7) and Southern Zone (SZ; Figure 5-8) are very similar. These zircons typically give εhf values between -5 and +10, although zircons from the SZ samples also give values as low as -10. Formations deposited prior to ca. 700 Ma in the CZ of the Damara belt (the Rossing Formation, Khan Formation, Etusis Formation, and gneissic basement) have similar, highly negative εhf values ranging from -23 to -13 for grains with U-Pb ages of ca. 1050-1000 Ma and display Lu-Hf DM model ages between 2600 and 2000 Ma (Figure 5-13c). The gneissic basement has a major component of grains with Lu-Hf DM model ages of ca. 2100 Ma, the sample from the Etusis Formation has a model age population at ca. 2300 Ma, and the sample from the upper-most member of the Nosib Group has major model age populations at ca. 2500, 2200 and 2100-2000 Ma for grains with U-Pb ages of ca. 1050-1000 Ma. This is in contrast to the low negative to high positive εhf values, ranging primarily from -10 to +11, and mid-mesoproterozoic to Neoproterozoic Lu-Hf DM model ages displayed by formations deposited after 700 Ma across the Congo cratonic margin in the Karibib Formation, Gauss Formation, Tinkas Formation and Kuiseb Schist (Figure 5-6 through Figure 5-8). This indicates that zircons of similar age derived from sources with a more evolved Hf-isotope composition were deposited into the formations deposited prior to ca. 700 Ma than those deposited after ca. 700 Ma. Four of the five samples deposited after ca. 700 Ma in the NZ, CZ and SZ display similar major Lu-Hf DM model age 187

populations at ca. 900-1400 Ma (Figure 5-13c), indicating derivation from mainly Mesoand Neo-Proterozoic provinces. Sample DF06-22 from the Kuiseb Schist in the Matchless Amphibolite Belt displays major Lu-Hf DM model age populations at ca. 2300, 1100-1000 and 650 Ma and minor populations at ca. 3100, 2650-2500 and 2000 Ma, which indicate addition from source terranes of Paleoproterozoic and Archean age. The zircon Hf-isotope data from samples of similar stratigraphic age from the SMZ vary significantly from those of the Congo margin strata (NZ, CZ, and SZ). The stratigraphically older sample, DF09-12a, displays εhf values of -5 to +6 for grains giving U-Pb ages primarily between 1500 and 1000 Ma, whereas the stratigraphically younger sample, DF09-04, gives εhf values mainly between -2 and +3 for grains with U- Pb ages of 1500-1000 Ma (Figure 5-9). Both SMZ samples display populations of Lu- Hf DM model ages at ca. 1750-1500 Ma and at ca. 1900-1850 Ma, that are distinct from those of the Congo margin strata for similar aged grains. The εhf values of the SFZ samples are similar to those found in the younger strata of the Congo marginal samples (Figure 5-10a), whereas the Lu-Hf DM model ages for grains collected in all formations in the SFZ are dissimilar to each other and to other zones (Figure 5-10b; Figure 5-14). The εhf values of SFZ samples typically range from -10 to +4 for grains with U-Pb ages of ca. 730-550 Ma and primarily from -8 to +10 for grains with U-Pb ages of ca. 1485-840 Ma, excepting two grains with εhf values of -14 and -23 and U-Pb ages of 900 and 954 Ma, respectively. The remainder of the grains display U-Pb ages between ca. 3335 and 1875 Ma and εhf values of -9 to +6. The upper-most Fish River Group sample, DF06-43, has major Lu-Hf DM model age populations at ca. 1500, 1350-1400 and 1100 Ma from grains with U-Pb ages between 1150 and 800 Ma (Figure 5-14c). The underlying 188

Fish River Group sample, DF06-44, has major Lu-Hf DM model age populations at ca. 1900-1700 and 1500-1100 Ma for U-Pb ages between ca. 1050 and 400 Ma. The dissimilarity between both εhf values and Lu-Hf DM model ages of samples collected in the SFZ and those displayed by zircons of the Congo marginal strata and the difference of Hf data from zircons collected in the SMZ likely indicates a difference in source material. Nama Group The Neoproterozoic Nama Group overlies the Kalahari basin. Paleocurrent analyses suggest that the basal member of the Nama Group (Kuibis Formation) was derived from Kalahari basement and the overlying Schwarzrand Group was derived from the Damara Belt (Blanco et al., 2009). The detrital zircons in the sample from the Kuibis Formation, DF06-40, are all Late Archean to Mesoproterozoic in age and do not display the Neoproterozoic signature found in younger strata, consistent with a basement source (Figure 5-5). The two Schwarzrand Group samples display similar Paleo- to Mesoproterozoic age signatures, but the younger sequence also contains a Neoproterozoic population. The lower Schwarzrand Group sample, DF06-41, was deposited at ca. 580 Ma and has no Neoproterozoic signature. In contrast, the upper Schwarzrand Group sample, DF06-46, was deposited at ca. 560 Ma and displays a major population at ca. 1000-1100 Ma and a minor population at ca. 600 Ma. The shift in populations between the 580 Ma strata and the 560 Ma strata are consistent with the addition of recycled zircons from the sedimentary rocks eroded from the orogenic belts. Paleocurrent data suggest that the lower members of the overlying Fish River Group are derived from the Gariep Belt, which lies to the west of the Kalahari craton, while the 189

upper members are derived from the Matchless Amphibolite Belt and the Kuiseb Schist (Blanco et al., 2009). The sample from the lower Fish River Formation, DF06-45, demonstrates only one major age population at ca. 560-530 Ma, which is consistent with the timing of formation of the Gariep Belt. The samples from the upper Fish River Formation, DF06-44 and DF06-43, display very similar Neoproterozoic age populations to those from the sample collected in the Kuiseb Schist, DF06-22. The shifts in age populations with changing depositional periods reflect changes in source terranes and tectonic events reflected by new populations on the cratonic margins. The major shift in age populations between the ca. 600 Ma strata and the ca. 545 Ma strata most probably reflects the growth of the Damara orogen during the amalgamation of the Congo and Kalahari cratons. The εhf values of the Nama Group samples are all relatively similar, Lu-Hf DM model ages, however, vary significantly for the various age populations due to their changing source terrains (Figure 5-10b). εhf values range from -15 to +10 for grains with U-Pb ages between ca. 1400 and 550 Ma and range from -10 to +3 for grains with U-Pb ages of ca. 2850-1850 Ma (Figure 5-10a; εhf values described in more detail above). The sample collected in the basal Kuibis Formation, DF06-40, gives model ages greater than ca. 1500 Ma for zircons displaying U-Pb ages ranging from ca. 2700 to 1080 Ma, consistent with a Kalahari basement source. The sample collected in the overlying Schwarzrand Formation, DF06-41, was derived from the Damara Belt and displays major Lu-Hf DM model age populations at ca. 1600-1500, 1250-1400 and 1100-900 Ma as well as minor populations at ca. 3700, 2950, 2800, 2650, 2500, 2300 and 2000 Ma with U-Pb ages ranging from ca. 3330 to 800 Ma (Figure 5-14c). The addition 190

of Meso- and Neoproterozoic model ages to the Paleoproterozoic and Archean ages of the basement terrain indicates a younger source, consistent with the collisional Damara Belt. The sample collected in the basal portion of the Fish River Formation, DF06-45, displays a major Lu-Hf DM model age population at ca. 1200-1400 Ma, similar to that of the Schwarzrand Formation sample, and has U-Pb ages primarily between ca. 650 and 530 Ma. This similarity indicates comparable Hf ratios being incorporated into the Mesoproterozoic source terrains for both formations, consistent with the collisional Gariep Belt contributing to the Fish River Formation sediments. As described above, the two samples collected from the upper Fish River Formation, DF06-44 and DF06-43, display model age populations similar to each other and to the sample collected in the Kuiseb Schist of the CZ. DF06-44 has major Lu-Hf DM model age populations at ca. 2000-1600 and 1500-1100 Ma and a minor population at ca. 2300 Ma for grains with U- Pb ages primarily between ca. 1060 and 520 Ma. DF06-43 has major Lu-Hf DM model age populations at ca. 1500, 1400-1300 and 1100 Ma and minor populations at ca. 2600-2300 and 1950-1650 Ma for grains with U-Pb ages primarily between ca. 1150 and 550 Ma. These data are consistent with a Matchless Amphibolite Belt source for the uppermost Fish River Formation samples. The differences in all Lu-Hf DM model age populations throughout the depositional history of both cratons and the slight variation in εhf values for grains with different U-Pb ages are consistent with discrete source terrains for the Congo and Kalahari sedimentary rocks prior to ca. 545 Ma. Granitic Rocks A Cambrian granitic pluton (sample DF09-37) contains one population of magmatic grains, which display a weighted mean age of crystallization using 206 Pb/ 238 U 191

of 511.3 ± 6.6 Ma with 95% confidence, and another population of inherited grains (Figure 4-19d). The inherited grains underwent partial lead loss during magma genesis and show a lower concordia intercept of 41 ± 99 and an upper intercept of 604 ± 22 Ma (Figure 4-19b-c). Cambrian magmatic zircons are probably typical of the age populations of grains that were eroded from Pan-African plutons within the Damara Orogen. This reflects the zircon populations that would be expected to be present in foreland basins. For instance, Cambrian granitic plutons like this one may represent sources for Damara aged grains in the younger Nama Group. The granitic basement of the CZ, however, as described above, reflects one of the basement inliers of the region and their probable contributions. Comparison by Structural Zone U-Pb age populations of detrital zircons from samples collected in the NZ, CZ and SZ are all similar (Figure 5-11). The samples collected in the SZ and NZ display prominent populations at ca. 2050-1950 Ma and samples from the NZ, CZ, and SZ all have major populations at ca. 1100-1000 Ma and at 850-600 Ma. This is consistent with similar sedimentary sources and dispersal systems along the same margin. The age populations of samples collected in the SMZ and SFZ are dissimilar to those collected from the NZ, CZ, and SZ and to each other (Figure 5-12). The SMZ samples display populations at ca. 1900, 1350, 1300-1250, 1200-1100 and 1050 Ma. The youngest population is similar to a population displayed by the samples from the SZ, CZ, and NZ, the other populations, however, are not observed in any other strata in the orogen. The samples collected in the SFZ display age populations at ca.1150-1050, 925, 850 and 192

600-540 Ma. The 1150-1050 Ma population is roughly similar to those from the SMZ, SZ, CZ and NZ. The lack of an 800-600 Ma population in the SMZ is distinct. The disparity between the SMZ sediments and those of the SZ, CZ and NZ, which were part of the Congo margin, imply that the amalgamation of the Congo and Kalahari cratons occurred after the deposition of the SMZ sediments at approximately 590 Ma. The SFZ sediments, however, are of the Nama Group and were deposited at ca. 550-530 Ma (Blanco et al., 2009). The younger sediments found there may record recycling of zircon grains through the Damara Belt. Zircon Hf-isotopic data is similar for all NZ, CZ and SZ samples. The NZ, CZ, and SZ display εhf values primarily between -10 and +14 for all U-Pb ages (Figure 5-13a). Samples with U-Pb ages of ca. 800-500 Ma typically display εhf values of -10 to +10, with a much higher proportion of positive values than negative, except one grain from the CZ with a U-Pb age of 514 Ma and an εhf value of -26. Grains with U-Pb ages of ca. 900-800 Ma display εhf values primarily between 0 and +10, except one grain from the Kaoko Belt with an εhf value of -26 and a U-Pb age of 811 Ma. εhf values for grains displaying U-Pb ages of 1225-975 Ma range from -23 to -10 and from -5 to +12. A majority of the highly negative values are displayed by grains collected in the CZ and the Kaoko Belt, implying that the source of the Mesoproterozoic zircons in the CZ and Kaoko strata includes a higher proportion of ancient, recycled, continental crust. Samples with U-Pb ages of ca. 1475-1340, 2130-1750, 2600 and 2980 Ma typically display εhf values of -8 to +10. Outliers include several grains with U-Pb ages of 1411 and εhf values of +10 to +16, a grain with an εhf value of +23 and a U-Pb age of 1411 Ma, one grain with an εhf value of -13 and a U-Pb age of 1340 Ma and another grain 193

with an εhf value of +27 and a U-Pb age of 2024 Ma. Other than in the Mesoproterozoic grains, each of the zones appears to have experienced similar degrees of mixing of broadly similar crustal sources in the sedimentary environment. Lu-Hf DM model ages in the NZ, CZ, and SZ detrital zircons are dominated by ca. 1450-900 Ma populations, though the population displayed in the NZ samples is less pervasive than those in the CZ and SZ samples (Figure 5-13b-c). εhf values and Lu-Hf DM model ages for the SMZ and SFZ, however, are not similar to each other or to those of the Congo cratonic margin (Figure 5-14a). The εhf values of SFZ samples range between -10 and +5 for grains with U-Pb ages of ca. 900-500 Ma and with values ranging from -23 to +10 for grains with U-Pb ages of 1100-1000 Ma. Three grains with U-Pb ages of ca. 1480-1100 Ma display εhf values of -2.4 to +3 and two grains at ca. 1400 have εhf values between +7 and +10. Grains with U-Pb ages between ca. 2225 and 1900 Ma display εhf values of -7 to +2, and three grains with U-Pb ages of ca. 2700, 2845 and 3335 Ma display εhf values of +2, +3 and -5, respectively. The metasediments of the Congo margin display a higher proportion of more positive εhf values for grains with U-Pb ages between 1150 and 1000 Ma. This implies different, more primitive material was being incorporated into the Congo margin than into the Kalahari margin at that time. The SFZ zircons are dominated by grains with model ages of ca. 1200-1600 Ma, which overlaps the age populations seen in the Congo craton. The SMZ samples display εhf values between -6 and +6 for grains with U-Pb ages from 1575 to 1000 Ma and εhf values of -3, -2 and +2.5 for the three grains with U-Pb ages of ca. 2000 to 1900 Ma. The SMZ has a major Lu-Hf DM model age population at ca. 2000-1500 Ma, slightly overlapping the SFZ population, but dissimilar to all of the Congo marginal strata populations (Figure 5-14b- 194

c). The disparities in Hf-isotope data between the zones of the Congo and Kalahari cratonic margins imply differing sedimentary histories. The sources incorporated into the two cratonic margins contain different Hf signatures, implying that the Congo and Kalahari margins were not connected prior to ca. 550-600 Ma. Kaoko Belt Zircons from samples collected in the Kaoko Belt, which is the northern branch of the Damara Orogen along the present western edge of the Congo craton, tend to display U-Pb age populations and isotopic values similar to those of the CZ of the Congo cratonic margin. A probability density plot of detrital zircon U-Pb age populations of samples collected in the Kaoko Belt (Figure 5-15) shows that samples collected in the Coastal Terrane and the Khumib Fm display a major population at ca. 550-850 Ma. Samples collected in the lower Ogden Mylonite sequence and in the Hoanib Fm. display a major population at 1850-1900 Ma. The upper Ogden Mylonite samples display only one major population at 2550-2600 Ma. The Paleoproterozoic population is consistent with the plutonic and metamorphic rocks of the Kamanjab Inlier, and is unique to the Kaoko Belt. The Meso- and Neoproterozoic age populations are consistent with those of the other Congo marginal strata. Hf-isotopic data for the Kaoko detrital zircons are indistinguishable from those of samples collected along the Congo cratonic margin. The εhf values of the Kaoko Belt samples mainly range from 0 to +10 at ca. 500-1000 Ma, from -18 to +6 at ca. 1000-1150 Ma, and -10 to 0 at ca. 1150-2600 Ma (Figure 5-16a). Outlying grains display εhf values of -10, -26, +12 and +2 with U-Pb ages of ca. 600, 810, 1090 and 1875 Ma, respectively. These are consistent with εhf values of the Congo marginal strata. Sample DF06-11 from the Coastal Terrane Group is the 195

exception; it displays εhf values of +1 to +10 and is consistent with an arc source. The belt displays major Lu-Hf DM model age populations at ca. 950 and 1000-1150 Ma and minor populations at ca. 1800-1950 and 2050-2550 Ma (Figure 5-16b). The similarity of the εhf values and Lu-Hf DM model ages displayed in the Congo margin strata and the Kaoko Belt implies common source terrains for the two regions. The U-Pb age populations and associated Hf-isotope data of Kaoko Belt detrital zircons are dissimilar to those of the Kalahari marginal strata (SMZ and SFZ). Comparison by Craton A comprehensive probability density plot of all Congo and Kalahari cratonic margin samples (Figure 5-17) reveals disparate age populations present on the margins of the cratons. Detrital zircons from both cratons display U-Pb age populations at ca. 1100-1000 Ma, though the population displayed in the samples collected in the Congo marginal strata is proportionally larger, and minor populations at ca. 2050-1900 Ma. The Congo marginal strata, however, have a major age population at ca. 800-600 Ma, which the Kalahari marginal strata lack. The samples collected in the Nama Group of the Kalahari margin display a minor U-Pb age population at ca. 700-600 Ma and a major population at ca. 540 Ma. The Congo strata, however, give only a minor population at ca. 500 Ma, which are likely metamorphic zircons from the Damara Orogen. The Kalahari marginal strata display major populations at 1200-1300 and 1900 Ma, whereas the Congo has only minor populations at these ages. The Nama Group samples, however, display a major population at 1300 Ma, probably indicating a common source. Overall U-Pb age populations prior to ca. 800 Ma have similarities in the Congo and 196

Kalahari margins with differing proportions of similar age populations. More recent populations, however, display minor similarities but are characteristically quite distinct. A composite εhf plot of all samples displays differences in zircon age populations for the Congo and Kalahari margin strata (Figure 4-27). Mid-Paleoproterozoic to Archean aged zircons display similar, predominantly negative εhf values on both cratonic margins. The Congo marginal strata display major Lu-Hf DM model age populations at 1300-1100 and 900-1000 Ma and minor populations at ca. 2400-2000 and 1600-1400 Ma (Figure 5-18). The Mesoproterozoic to early Neoproterozoic aged zircons display widespread εhf values ranging from -23 to +14. Samples collected on the margin of the Kalahari craton have major Lu-Hf DM age populations at ca. 2000-1500 Ma and minor populations at ca. 3000-2300 Ma (Figure 5-18). The major Kalahari populations do not overlap those of the Congo margin strata. Mesoproterozoic to early Neoproterozoic aged zircons collected on the Kalahari margin display clustered, predominantly positive εhf values ranging primarily between -10 and +10. Mid- to late Neoproterozoic aged zircons with major Lu-Hf DM model age populations at ca. 1350-900 Ma and minor populations at ca. 650 and 450 Ma collected on the Congo cratonic margin display predominantly positive εhf values with most samples displaying values between 0 and +10. Mid- to late Neoproterozoic zircons collected in the Kalahari marginal strata, however, are less abundant than those collected on the Congo margin and display predominantly negative εhf values ranging from -10 to +2.5. Despite minor similarities, the Congo and Kalahari craton margin strata display dissimilar Hf-isotope data for zircons within each age population younger than ca. 1600 Ma. The 197

discrepancies in the zircon U-Pb and Hf populations argue that the Congo and Kalahari cratons were separated during deposition of the 600-800 Ma sedimentary sequences. Source Terrains Congo Craton The detrital zircon age populations displayed by samples collected in Congo marginal strata (NFZ, NZ, CZ, SZ, KZ) are consistent with source terrains found within the Congo craton (Figure 5-19). Erosion of the Archean and Proterozoic basement and magmatic terrains followed by sedimentary transport and deposition of the grains into sedimentary rocks would account for all of the zircon age populations seen in the marginal strata (a summary of Congo Precambrian provinces is given in the Appendix). The major U-Pb age population at ca. 1100-1000 Ma in the Karibib Fm. and Mulden Fm. in the NZ, in the Khan Fm., Etusis Fm. and granitic basement in the CZ, and in the Kuiseb Schist in the SZ is consistent with contributions from intracratonic basement inliers and possibly input from granitic plutons of the Irumide Belt. The Neoproterozoic zircons (ca. 800-600 Ma) in the Kuiseb and Karibib Fms. of the NZ and Mulden Fm. in the NFZ, in the Gauss and Tinkas Fms. in the CZ and in the Kuiseb Schist in the SZ are probably derived from widespread volcanic provinces along the southern margin of the Congo craton including those in the Lufilian arc and locally the Naauwpoort rhyolite. The Congo margin detrital zircons in the Kuiseb Fm. of the NZ, the Khan and Etusis Fms. of the CZ and the Kuiseb Schist of the SZ display U-Pb age populations at 2050 Ma and the Mulden Fm. of the NFZ and the Kuiseb Schist of the SZ display minor U-Pb age populations at ca. 2600 Ma and 2500 Ma, respectively, all of which are consistent with sources from the Angola basement. The Matchless Amphibolite Belt in 198

the Kuiseb Schist also displays a minor population at ca. 2150 Ma, which could have been derived from sources within the Ubendian belt, and one at ca. 2950 Ma, consistent with xenocrystic cores seen in the Angola-Kasai craton. Detrital zircons from the Matchless Amphibolite Belt in the Kuiseb Schist of the SZ, the Rossing Fm. in the CZ and the Mulden Fm. of the NFZ display a U-Pb age population at ca. 2000-1950 Ma, potentially representing contributions from one or a combination of: granitoids from the Angola basement, the Kibaran basement, and granites and gneisses from the Irumide belt. Samples collected in the Karibib Fm., Kuiseb Fm., the Mulden Fm., the Rossing Fm. and the Kuiseb Schist display minor age populations at ca. 1900-1800 Ma, the Matchless Amphibolite Belt in the Kuiseb Schist displays one at ca. 1800-1700 Ma and the Kuiseb Schist displays a population at ca. 1400-1450; these populations are consistent with sediments derived from the Epupa basement and metamorphic complex. The sample from the Kuiseb Fm. displays a minor age population at ca. 1400-1350 Ma, revealing possible contributions from one or more terrains including the Kuene intrusive complex (anorthosite), the Orue metamorphic terrane and/or the Kibara magmatic belt. Detrital zircons from the Gauss, Tinkas and Rossing Formations in the CZ display minor age populations at ca. 1100-950 Ma while zircons collected in the Rossing Fm. in the CZ display minor populations at ca. 875 and 825 Ma, these populations are consistent with contributions from local basement inliers and/or the Zambezi belt. Kalahari Craton The detrital zircon age populations from Kalahari marginal strata (SMZ and SFZ) are consistent with source terrains found within the Kalahari craton (Figure 5-19; 199

summary of Kalahari Precambrian terrains is given in the Appendix). Samples collected in the Naos Diamictite and the Kudis Fm. in the SMZ both display a major U-Pb age population at ca. 1300-1200 Ma, consistent with a contribution from the felsic volcanics of the Rehoboth Inlier and possibly from the Natal province. The samples collected in the Nama Group all display a zircon age population at ca. 1150-1050 Ma, consistent with the timing of pluton emplacement in the Namaqua and Natal provinces as well as in the Choma-Kaloma block. The samples collected in the upper Schwarzrand and all Fish River Formations within the SFZ display an age population at ca. 600-540 Ma. This age population is not found anywhere else in the Kalahari craton, but is consistent with the timing of deposition of the Damara Sequence on the Congo margin, the formation of the Naauwpoort rhyolite and the timing of formation of the Gariep belt. This suggests that most of the Nama Group zircons were derived from the uplifted Damara orogen. The lack of a 600-500 Ma population in the Kuibis Fm. and the lower Schwarzrand Fm., the oldest sequences of the Nama Group, implies that the Damara Sequence sediments were not spread across both sides of the Damara orogen prior to the deposition of the Schwarzrand Fm. at ca. 580 Ma. This implies that the Congo cratonic margin was not joined to the Kalahari cratonic margin by the Damara belt prior to ca. 580 Ma. Samples collected from the Kuibis Fm. in the SFZ display a major U-Pb age population at ca. 2700 Ma, consistent with contributions from the Zimbabwe and/or Kaapvaal cratons. Detrital zircons collected in the Kuibis and Schwarzrand Fms. display minor U-Pb age populations at ca. 2150-2000 Ma, consistent with a period of magmatism and metamorphism in the Limpopo belt. The Kudis Fm. and Naos Diamictite display U-Pb age populations at ca. 1950-1850 Ma, consistent with derivation 200

from the volcano-sedimentary Magondi belt and/or the Rehoboth inlier. The Naos Diamictite also displays a major population at ca. 1800-1750 Ma, consistent with plutonic emplacement ages of the Rehoboth Inlier. Detrital zircon U-Pb analyses on samples collected in the Kudis Fm. and Naos Diamictite display minor age populations at ca. 1550-1450, 1350, 1350-1200 and 1150-1050 Ma. The 1550-1450 Ma population is consistent with a period of magmatism in the AAB and the 1150-1050 Ma population is consistent with granitic pluton emplacement in the Namaqua and Natal provinces. The 1350 Ma population is also present in the sample collected in the Kuibis Fm. and is consistent with derivation from either granitoids of the Sinclair group or those of the Choma-Kaloma block. The U-Pb age population at 1350-1200 Ma is consistent with a contribution from either the Rehoboth Inlier or the Natal province. The two samples from the lower Fish River Fm. in the NFZ display minor U-Pb age populations at ca. 1000-950 Ma and the upper and lower Fish River Fm. samples as well as the lower Schwarzrand Fm. sample display a minor population at ca. 900-850 Ma. The population at ca. 1000-950 Ma is consistent with the timing of low-t metamorphics in the Natal province, whereas the population at ca. 900-850 Ma is consistent with sediments derived from the Zambezi belt. Marginal sediments from the Congo and Kalahari are both consistent with entirely intracratonic sources but the possibility of other, external sources cannot be discarded. Proportions of Crustal Recycling εhf values calculated from Hf isotope ratios varied significantly between the Congo and Kalahari cratonic margins (Figure 4-27). Late Paleoproterozoic zircons from both margins display predominantly negative εhf values, implying that the Paleoproterozoic 201

orogenic belts incorporated higher proportions of recycled crust than juvenile crust. From ca. 1825-1500 Ma in the Congo margin strata and 1875-1600 Ma in the Kalahari cratonic margin strata the U-Pb age data set displays a gap, indicating a relatively inactive period with little or no crust formation along the margin of either craton. After ca. 1600-1500 Ma the εhf values differ significantly between the Congo and Kalahari marginal strata. From 1500-1150 Ma tectonomagmatic processes along the margin of the Congo craton incorporated predominantly recycled crust, implying the incorporation of older, reworked crust. At ca. 1150-950 Ma magmatism in a source terrain of the Congo margin incorporated roughly equal amounts of juvenile and recycled crust, most likely indicating a high degree of mixing during the orogenic events culminating with the amalgamation of Rodinia. Magmatism in a source terrain of the Kalahari margin, on the other hand, incorporated predominantly juvenile crust from ca. 1600-1100 Ma and roughly equal proportions of recycled and juvenile crust at ca. 1100-950 Ma. This is consistent with either a rifting or accretionary environment and with the timing of the amalgamation of Rodinia. During Neoproterozoic magmatism at ca. 900-600 Ma the Congo craton incorporated primarily juvenile crust whereas the Kalahari craton incorporated primarily recycled crust during this time. This implies different conditions in the source terrains of the two cratonic margins during the time of Rodinia, its rifting and the early stages of the amalgamation of Gondwana. Differing crustal generation conditions in the sources of the cratonic margins imply that the cratons were not joined at the time of the Rodinia supercontinent. 202

Sedimentary Mixing The similarity in Sm/Nd values (Figure 4-29) and of common Pb values (Figure 4-30) along the margins of the Congo and Kalahari cratons implies mixing of sedimentary sources of various ages along the margins of both continents. Trace and major element signatures across the cratons are consistent with the rift-drift sedimentary history common to both cratons (Figure 4-31 and Figure 4-32; e.g. Keppie et al., 2008; Vijaya Kumar et al., 2008). The similarity in isotopic and elemental ratios in the metasedimentary sequences is probably the result of stream processes and sediment transport over widespread areas. Paleocurrent data suggest many across craton river channels, allowing for younger sedimentary sequences to incorporate sediment from intracratonic sources on both the Congo and the Kalahari cratonic margins (Blanco et al., 2009). Weathering of the older metasedimentary sequences and subsequent transport through stream processes would also cause sedimentary mixing and homogenize isotopic ratios. Elemental and isotopic components held in the clay fraction of the sediments would break down during metamorphism, unlike the refractory elements in the detrital zircon population. The exchange of the elements in the clay fraction during metamorphism would cause the elemental and isotopic mixing seen along both cratonic margins. The U-Pb and Lu-Hf isotope populations would be preserved during this process because they are contained within the more durable zircon population. Both cratons display such a variable array of sources that distinguishing between the isotopic and elemental ratios of the two cratons is impossible. Unfortunately the trace and major element data describe only the similarity 203

in original depositional processes and later metamorphic sedimentary breakdown and are not a viable means of determining the timing of amalgamation. 204

CZ35 Gauss Fm n=77 CZ53b Tinkas Fm n=64 CZ40 Rossing Fm n=13 CZ29 Khan Fm n=7 DF09-44 Etusis Fm n=53 DF09-43 basement n=62 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 Age (Ma) Figure 5-1. Detrital zircon U-Pb age populations from the Central Zone on the Congo cratonic margin. Populations include concordant grains and upper intercept ages of discordant grains that plotted along discordia. 206 Pb/ 238 U ages used for concordant grains <1 Ga, 207 Pb/ 206 Pb ages used for concordant grains >1 Ga. BDG06-91 Mulden Gp, NFZ n=17 DF09-30 Kuiseb Fm, NZ n=14 DF09-26 Karibib Fm, NZ n=62 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 Age (Ma) Figure 5-2. Detrital zircon U-Pb age populations from the Northern Zone and Northern Foreland Zone on the Congo cratonic margin. Populations include concordant grains and upper intercept ages of discordant grains that plotted along discordia. 206 Pb/ 238 U ages used for concordant grains <1 Ga, 207 Pb/ 206 Pb ages used for concordant grains >1 Ga. 205

SZ13 Kuiseb Schist n=45 DF06-22 Matchless Amphibolite Belt, Kuiseb Schist n=16 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 Age (Ma) Figure 5-3. Detrital zircon U-Pb age populations from the Southern Zone on the Congo cratonic margin. Populations include concordant grains and upper intercept ages of discordant grains that plotted along discordia. 206 Pb/ 238 U ages used for concordant grains <1 Ga, 207 Pb/ 206 Pb ages used for concordant grains >1 Ga. DF09-04 Naos Diamictite n=47 DF09-12a Kudis Fm n=44 800 1000 1200 1400 1600 1800 2000 2200 Age (Ma) Figure 5-4. Detrital zircon U-Pb age populations from the Southern Margin Zone on the Kalahari cratonic margin. Populations include concordant grains and upper intercept ages of discordant grains that plotted along discordia. 206 Pb/ 238 U ages used for concordant grains <1 Ga, 207 Pb/ 206 Pb ages used for concordant grains >1 Ga. 206

εhf DF06-43 Fish River Fm n=36 DF06-44 Fish River Fm n=40 DF06-45 Fish River Fm n=45 DF06-46 Schwarzrand Fm n=16 DF06-41 Schwarzrand Fm; n=47 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 Age (Ma) DF06-40 Kuibis Fm n=36 Figure 5-5. Detrital zircon U-Pb age populations from the Nama Group of the Southern Foreland Zone on the Kalahari cratonic margin. Populations include concordant grains and upper intercept ages of discordant grains that plotted along discordia. 206 Pb/ 238 U ages used for concordant grains <1 Ga, 207 Pb/ 206 Pb ages used for concordant grains >1 Ga. 20.0 15.0 DF09-30 Kuiseb Fm, NZ n=6 10.0 5.0 0.0 DM DF09-30 DF09-26 -5.0-10.0 0 500 1000 1500 2000 2500 3000 U-Pb Age (Ma) A 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 Figure 5-6. Hf isotope data for the Northern Zone on the Congo margin. A) Epsilon Hf values plotted against concordant U-Pb ages. B) Probability density plot of Lu-Hf DM model ages. Age (Ma) DF09-26 Karibib Fm, NZ n=17 B 207

εhf εhf CZ35 Gauss Fm n=46 20.0 15.0 10.0 5.0 0.0-5.0-10.0-15.0-20.0-25.0-30.0 DM 0 500 1000 1500 2000 2500 U-Pb Age (Ma) A CZ35 CZ53b CZ29 DF09-44 DF09-43 CZ53b Tinkas Fm n=42 CZ29 Khan Fm n=7 DF09-44 Etusis Fm n=20 DF09-43 basement n=18 B 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 Age (Ma) Figure 5-7. Hf isotope data for the Central Zone on the Congo Margin. A) Epsilon Hf values plotted against U-Pb ages. B) Probability density plot of Lu-Hf DM model ages. 30.0 20.0 10.0 0.0-10.0-20.0-30.0-40.0-50.0-60.0-70.0 DM SZ13 DF06-22 SZ13 Kuiseb Schist n=43 DF06-22 Matchless Amphibolite Belt Kuiseb Schist n=15 0 500 1000 1500 2000 2500 3000 U-Pb Age (Ma) A 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 Figure 5-8. Hf isotope data for the Southern Zone on the Congo Margin. A) Epsilon Hf values plotted against U-Pb ages. B) Probability density plot of Lu-Hf DM model ages. Age (Ma) B 208

εhf εhf 8.0 6.0 4.0 DM DF09-04 Naos diamictite n=13 2.0 0.0-2.0-4.0 DF09-04 DF09-12a -6.0-8.0 0 500 1000 1500 2000 2500 A DF09-12a Kudis Fm n=23 U-Pb Age (Ma) B 1200 1400 1600 1800 2000 2200 2400 2600 Figure 5-9. Hf isotope data for the Southern Margin Zone on the Kalahari Margin. A) Epsilon Hf values plotted against U-Pb ages. B) Probability density plot of Lu- Hf DM model ages. Age (Ma) 20.0 DF06-43 Fish River Fm n=21 15.0 10.0 5.0 0.0-5.0-10.0-15.0-20.0-25.0 DM 0 1000 2000 3000 DF06-43 DF06-44 DF06-45 DF06-41 DF06-40 DF06-44 Fish River Fm n=15 DF06-45 Fish River Fm n=17 DF06-41 Schwarzrand Fm n=18 U-Pb Age (Ma) A DF06-40 Kuibis Fm n=15 B 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 Figure 5-10. Hf isotope data for the Nama Group in the Southern Foreland Zone on the Kalahari Margin. A) Epsilon Hf values plotted against U-Pb ages. B) Probability density plot of Lu-Hf DM model ages. Age (Ma) 209

Southern Zone n=61 Central Zone n=276 Northern Zone n=93 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 Age (Ma) Figure 5-11. Probability density plot of U-Pb age populations in all zones in the Congo cratonic margin. Populations include concordant grains and upper intercept ages of discordant grains that plotted along discordia. 206 Pb/ 238 U ages used for concordant grains <1 Ga, 207 Pb/ 206 Pb ages used for concordant grains >1 Ga. Southern Foreland Zone Nama Group n=220 Southern Margin Zone n=91 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 Age (Ma) Figure 5-12. Probability density plot of U-Pb age populations in all zones in the Kalahari cratonic margin. Populations include concordant grains and upper intercept ages of discordant grains that plotted along discordia. 206 Pb/ 238 U ages used for concordant grains <1 Ga, 207 Pb/ 206 Pb ages used for concordant grains >1 Ga. 210

Lu-HfDM model age (Ga) εhf 40.0 30.0 20.0 10.0 0.0-10.0-20.0-30.0 0 500 1000 1500 2000 2500 3000 U-Pb Age (Ma) A DM SZ CZ NZ Kaoko Southern Zone n=58 4.0 3.5 3.0 Central Zone n=133 Northern Zone n=23 2.5 2.0 1.5 1.0 0.5 SZ CZ NZ Kaoko 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 Age (Ma) B 0.0 0 500 1000 1500 2000 2500 3000 3500 U-Pb Age (Ma) C Figure 5-13. Hf isotope data for the zones of the Congo cratonic margin. A) Epsilon Hf values plotted against U-Pb ages. B) Probability density plot of Lu-Hf DM model ages. C) Lu-Hf DM model ages plotted against U-Pb ages. 211

Lu-HfDM model age (Ga) εhf 20.0 15.0 10.0 5.0 0.0-5.0-10.0-15.0-20.0-25.0 0 500 1000 1500 2000 2500 3000 3500 DM SF SMZ U-Pb Age (Ma) A Southern Foreland Zone n=86 4.0 3.5 3.0 2.5 2.0 1.5 SFZ SMZ 1.0 Southern Margin Zone n=36 B 0.5 0.0 0 500 1000 1500 2000 2500 3000 3500 4000 U-Pb Age (Ma) C 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 Age (Ma) Figure 5-14. Hf isotope data for the zones of the Kalahari cratonic margin. A) Epsilon Hf values plotted against U-Pb ages. B) Probability density plot of Lu-Hf DM model ages. C) Lu-Hf DM model ages plotted against U-Pb ages. 212

εhf DF06-17 Hoanib Fm. n=33 DF06-18 Hoanib Fm. n=33 DF06-08 Khumib Fm. n=74 DF06-11 Coastal Terrane n=69 DF09-39 Ogden Mylonite n=23 DF09-38 Ogden Mylonite n=48 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 Age (Ma) Figure 5-15. Probability density plot of U-Pb age populations in the Kaoko belt of the Congo cratonic margin. Populations include concordant grains and upper intercept ages of discordant grains that plotted along discordia. 206 Pb/ 238 U ages used for concordant grains <1 Ga, 207 Pb/ 206 Pb ages used for concordant grains >1 Ga. 20.0 15.0 10.0 5.0 0.0-5.0-10.0-15.0-20.0-25.0-30.0 DM DF06-08 DF06-11 DF06-17 DF06-18 DF09-38 DF09-39 DF06-17 Hoanib Fm. n=12 DF06-18 Hoanib Fm. n=20 DF06-08 Khumib Fm. n=27 DF06-11 Coastal Terrane n=30 DF09-39 Ogden Mylonite n=9 0 500 1000 1500 2000 2500 3000 U-Pb Age (Ma) A DF09-38 Ogden Mylonite n=18 B 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 Age (Ma) Figure 5-16. Hf isotope data for the Kaoko belt on the Congo cratonic margin. A) Epsilon Hf values plotted against U-Pb ages. B) Probability density plot of Lu- Hf DM model ages. 213

Kaoko Belt samples n=280 Nama Group samples n=220 Kalahari craton samples n=91 Congo craton samples n=430 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 Age (Ma) Figure 5-17. Probability density plot of U-Pb age populations in all zones of the Congo and Kalahari cratonic margins, the Neoproterozoic Nama Group and the Kaoko belt of the Congo cratonic margin. Populations include concordant grains and upper intercept ages of discordant grains that plotted along discordia. 206 Pb/ 238 U ages used for concordant grains <1 Ga, 207 Pb/ 206 Pb ages used for concordant grains >1 Ga. Kaoko Belt samples n=116 Nama Group samples n=86 Kalahari craton samples n=36 Congo craton samples n=214 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 Age (Ma) Figure 5-18. Probability density plot of Lu-Hf DM model age populations in all zones of the Congo and Kalahari cratonic margins, the Neoproterozoic Nama Group and the Kaoko belt of the Congo cratonic margin. 214

Figure 5-19. Geologic map of southern Africa. Displays locations of source terrains for the Congo and Kalahari cratons. Modified from Kröner and Cordani, 2003. 215