Core Identification: Expedition Site & Hole Core & Type* Pacific Cores TABLE 2.. Seafloor cores Physiographic Site Location Site Location (Latitude/ Longitude) Water Depth (m) 2-687A-2H Peru continental shelf 2.9S/77.0W 36 Seuss et al., 988 35-324- SE Pacific basin, North of Antarctica 28-269- Ross Sea, South of Australia, margin of Antarctica 45-886B-2H Chinook Trough, North Pacific abyssal plain 69S/98.8W 4433 Hollister et al., 976 6.7S/40.E 4282 Hayes et al., 975 44.7N/68.2W 5743 Rea et al., 993 45-882A-2H Detroit Seamount NW Pacific 50.36N/67.6E 3243.8 Rea et al., 993 45-88A- NW Pacific, east of the Sea of Okhotsk 47.N/6.5E 553. Rea et al., 993 45-887C-2H Patton-Murray Seamount, NE Pacific 54.4N/48.5W 3633.6 Rea et al., 993 9-88-2 Bering Sea 53.8N/78.7E 2649 Creager et al., 973 8-82- Alaskan continental slope 57.9N/48.7W 49 Klum et al., 973 33-38-2 Line Islands Ridge, south central Pacific 4.8S/46.9W 264 Schlanger et al., 976 8-75- Marquesas Fracture Zone, central Pacific abyssal plain 2.5S/35.3W 48 Tracey et al., 97 92-597- SE Pacific abyssal plain 8.8S/29.8W 466 Leinen et al., 986 78-0A-2H Antarctic Peninsula continental rise 64.4S/70.3W 3279.7 Barker et al., 99 78-096A-H Antarctic Peninsula continental rise 67.57S/77.0W 352 Barker et al., 99 78-097A-3R Antarctic Peninsula shelf 66.4S/70.75W 55.7 Barker et al., 99 29-278-3 South of New Zealand 56.6S/60.E 3675 Kennett et al., 974 202-236A-2H Nazca Ridge, SE Pacific 2.4S/8.44W 323.7 Mix et al., 2003 206-256B-2H Guatemala Basin, eastern tropical Pacific 8-74- Clipperton Fracture Zone, central Pacific abyssal plain 6.7N/9.9W 3634.7 Wilson et al., 2003 6.N/36.W 443 Tracey et al., 97 36-842A-H South of Hawaii 9.3N/59.W 4430.2 Dziewonski et al., 992 98-209A-2H Shatsky Rise, NW Pacific 32.7N/58.5E 2387.2 Bralower et al., 2002 99-25A-2H NE of Hawaii, North Pacific abyssal plain 26.0N/47.9W 5395.6 Lyle et al., 2002 86-576-2 West of Midway Island, North Pacific abyssal plain 32.4N/64.3E 627 Heath et al., 985 95-20B-2H Philippine Sea 9.3N/35.E 570.2 Salisbury et al., 2002 30-807A-2H Ontong Java Plateau, western equatorial Pacific 3.6N/56.6E 2803.8 Kroenke et al., 99 8-25A-2H Chatham Rise, east of New Zealand 42.6S/78.2W 364.6 Carter et al., 999
TABLE 2.. Continued Core Identification: Expedition Site & Hole Core & Type* 69-037A-H 46-888B-2H Physiographic Site Location Escanaba Trough, west of Oregon and N. California Cascadia margin, west of Vancouver, BC Site Location (Latitude/ Longitude) Water Depth (m) 4.0N/27.5W 3302.3 Fouquet et al., 998 48.2N/26.7W 256.3 Westbrook et al., 994 67-00E-H West of Baja California 30.0N/8.W 3464.7 Lyle et al., 997 200-224C-H North Pacific abyssal plain, south of the Murray Fracture Zone 27.9N/42.0W 4967. Stephen et al., 2003 27-795A-2H Japan Sea 44.0N/39.0E 3300.2 Tamaki et al., 990 28-274-2 North of Ross Ice Shelf, Antarctica 69.0S/73.4E 3305 Hayes et al., 975 North Atlantic Cores 37-333-2 Western flank of Mid-Atlantic Ridge 36.8N/33.7W 666 Aumento et al., 977 82-558-3 Western flank of Mid-Atlantic Ridge 33.8N/37.3W 3754 Bougault et al., 995 72-063A-2H Northeast Bermuda Rise 33.7N/57.6W 4583.5 Keigwin et al., 998 05-646A-2H Labrador Sea, south of Greenland 58.2N/48.4W 3440.3 Srivastava et al., 987 62-980A-2H Rockall Bank, west of Ireland 55.5N/4.7W 272.2 Jansen et al., 996 52-99A-2H SE Greenland, continental rise 62.7N/37.5W 2088.2 Larsen et al., 994 74-073-H New Jersey continental shelf 39.2N/72.3W 639.4 Austin et al., 998 4-37-3H Madeira abyssal plain 25.9N/27.W 536 Hayes et al., 972 * The letter indicating the type of drilling (e.g., H for hydraulic piston coring) is not always included in the core identification (Column of Table 2.). This is because early on in the drilling program, there was only one type of coring (rotary), and thus no special notation was needed. Core identification in Table 2. matches the core identification on the related core photos (and the end of this chapter).
TABLE 2.2. Smear slide data Smear Slide Sample Identification Texture (%) Composition (%) Grain Size Mineral Grains Microfossils Exp-Site&Hole-Core&Type-Section, Interval (cm) Sand Silt Clay Accessory Min. Calcite/Dolomite Clay Minerals Fe Oxide Feldspar Other Minerals* Mica Quartz Volcanic Glass Calc. Nannos Diatoms Pacific samples 2-687A-2H-, 79 2 6 37 2 37 5 0 2 30 2-687A-2H-3, 69 80 20 2 9 23 2 35 5 2-687A-2H-5, 6 45 55 0 2 7 5 3 2-687A-2H-6, 36 25 75 75 20 35-324--, 20 none given 40 0 50 35-324--2, 50 none given 85 0 5 35-324--3, 00 none given 35 2 3 60 35-324--6, 00 none given 97 2 28-269--, 34 none given 5 25 0 55 28-269--4, 37 none given 0 0 78 45-88A-H-, 50 30 60 0 98 45-88A-H-2, 5 40 45 45 0 45 45-88A-H-2, 6 46 60 4 2 94 45-886B-2H-, 39 2 0 88 8 2 4 45-886B-2H-5, 4 5 0 70 70 2 2 4 45-886B-2H-6, 6 25 0 65 64 3 5 45-882A-2H-2, 58 2 78 20 77 45-882A-2H-3, 34 2 85 3 78 45-882A-2H-4, 80 20 75 5 2 96 45-887C-2H-, 75 0 82 8 7 72 45-887C-2H-3, 75 0 45 45 43 45 45-887C-2H-3, 85 3 92 5 5 2 92 * Other minerals includes opaques, phillipsite, phroxene, hornblende, and others. D = dominant, A = abundant, C = common, P = present, R = rare, T = trace.
Lithologic Name of the Sediment Rock Frags./Other Foraminifers Radiolarians Silicoflagellates Sponge Spicules Skeletal Debirs Carbonate Frags. Organic matter Nodules Rock Fragments 0 2 Seuss et al., 988 0 37 5 Hollister et al., 976 5 Hayes et al., 975 Rea et al., 993 3 0 Rea et al., 993 6 5 3 25 20 Rea et al., 993 20 4 0 6 Rea et al., 993 4 2 5 (Continued)
TABLE 2.2. Continued Smear Slide Sample Identification Texture (%) Composition (%) Grain Size Mineral Grains Microfossils Exp-Site&Hole-Core&Type-Section, Interval (cm) Sand Silt Clay Accessory Min. Calcite/Dolomite Clay Minerals Fe Oxide Feldspar Other Minerals* Mica Quartz Volcanic Glass Calc. Nannos Diatoms Pacific samples 9-88-2-, 56 none given 25 5 5 65 9-88-2-, 20 none given 0 2 3 85 9-88-2-2, 75 none given 0 5 5 80 9-88-2-3, 75 none given 0 5 5 80 8-82--5, 00 0 5 95 tr 95 3 8-82--6, 00 0 8 92 92 2 5 33-38-2-2, 67 none given R D 8-75--, 00 none given 90 9 8-75--3, 0 none given 0 90 8-75--5, 0 none given 5 94 92-597--, 35 none given 85 3 2 92-597--2, 0 none given 0 5 85 78-0A-2H-, 80 60 39 3 50 8 2 5 4 5 78-0A-2H-2, 60 60 39 2 3 3 8 8 3 20 2 78-0A-2H-2, 06 90 8 2 3 9 4 2 78-0A-2H-4, 6 75 24 5 2 20 4 8 2 78-0A-2H-6, 6 70 30 8 2 3 4 8 0 78-096A-H-, 0 30 70 60 5 5 30 78-096A-H-, 30 20 80 80 5 6 5 78-096A-H-4, 30 20 80 80 5 9 78-096A-H-6, 30 25 74 74 0 5 * Other minerals includes opaques, phillipsite, phroxene, hornblende, and others. D = dominant, A = abundant, C = common, P = present, R = rare, T = trace.
Lithologic Name of the Sediment Rock Frags./Other Foraminifers Radiolarians Silicoflagellates Sponge Spicules Skeletal Debirs Carbonate Frags. Organic matter Nodules Rock Fragments Creager et al., 973 Klum et al., 973 A P C Schlanger et al., 976 Tracey et al., 97 2 4 Barker et al., 99 2 20 40 4 30 6 20 Barker et al., 99 (Continued)
TABLE 2.2. Continued Smear Slide Sample Identification Texture (%) Composition (%) Grain Size Mineral Grains Microfossils Exp-Site&Hole-Core&Type-Section, Interval (cm) Sand Silt Clay Accessory Min. Calcite/Dolomite Clay Minerals Fe Oxide Feldspar Other Minerals* Mica Quartz Volcanic Glass Calc. Nannos Diatoms Pacific samples 78-097A-3R- all gravel 29-278-3-, 27 none given 5 0 30 29-278-3-CC, 0 none given 2 2 3 75 202-236A-2H,, 75 00 4 57 202-236A-2H, 92 00 R 57 202-236A-2H, 23 00 R 70 206-256B-2H-2, 3 5 3 82 40 8 0 40 8-74--, 2 none given 55 0 8-74--5, 0 none given 5 0 36-842A-H-, 27 0 50 40 40 7 23 36-842A-H-4, 90 25 75 75 0 36-842A-H-6, 68 25 60 5 0 5 20 20 30 36-842A-H-6, 30 52 48 8 30 6 36-842A-H-7, 20 22 78 78 7 2 5 2 98-209A-2H-, 39 none given 2 70 2 98-209A-2H-5, 38 none given 3 80 99-25A-2H-, 60 00 90 8 2 99-25A-2H-3, 00 00 90 9 99-25A-2H-CC, 0 00 90 0 Pacific samples 86-576-2-, 7 5 95 85 4 86-576-2-2, 80 7 92 87 6 86-576-2-4, 74 30 68 2 2 3 93 86-576-2-4, 0 98 94 * Other minerals includes opaques, phillipsite, phroxene, hornblende, and others. D = dominant, A = abundant, C = common, P = present, R = rare, T = trace.
Lithologic Name of the Sediment Rock Frags./Other Foraminifers Radiolarians Silicoflagellates Sponge Spicules Skeletal Debirs Carbonate Frags. Organic matter Nodules Rock Fragments 00 Barker et al., 99 0 25 0 Kennett et al., 974 3 5 25 Mix et al., 2003 29 30 Wilson et al., 2003 35 0 < Tracey et al., 97 75 0 2 Dziewonski et al., 992 0 5 30 0 2 3 5 2 Bralower et al., 2002 5 Lyle et al., 2002 3 5 Heath et al., 985 2 2 2 (Continued)
TABLE 2.2. Continued Smear Slide Sample Identification Texture (%) Composition (%) Grain Size Mineral Grains Microfossils Exp-Site&Hole-Core&Type-Section, Interval (cm) Sand Silt Clay Accessory Min. Calcite/Dolomite Clay Minerals Fe Oxide Feldspar Other Minerals* Mica Quartz Volcanic Glass Calc. Nannos Diatoms 95-20B-2H-, 30 0 90 D P R P R 95-20B-2H-5, 73 5 95 D R P R 95-20B-2H-7, 85 0 90 D P P R P 30-807A-2H-2, 74 0 60 30 2 75 2 8-25A-2H-, 49 25 30 45 P R D 69-037A-H-3, 80 C A R R A R R C R R 69-037A-H-5, 62 A C R R R R C A R 46-888B-2H-5, 99 70 25 5 5 0 33 5 25 2 46-888B-2H-6, 45 75 25 25 20 30 0 2 67-00E-H-3, 43 5 5 80 80 2 9 67-00E-H-4, 0 0 90 80 2 0 200-224C-H-, 70 0 90 90 200-224C-H-2, 2 5 95 95 200-224C-H-3, 70 20 80 65 200-224C-H-5, 25 75 50 Pacific samples 27-795A-2H-, 84 0 90 2 60 5 0 5 2 27-795A-2H-2, 46 40 60 30 0 60 27-795A-2H-3, 45 60 40 20 5 5 45 27-795A-2H-5, 8 40 60 60 0 20 0 28-274-2-2,09 2 33 65 55 0 5 6 28-274-2-3, 86 25 75 60 35 28-274-2-6, 90 20 80 70 4 8 5 * Other minerals includes opaques, phillipsite, phroxene, hornblende, and others. D = dominant, A = abundant, C = common, P = present, R = rare, T = trace.
Lithologic Name of the Sediment Rock Frags./Other Foraminifers Radiolarians Silicoflagellates Sponge Spicules Skeletal Debirs Carbonate Frags. Organic matter Nodules Rock Fragments Salisbury et al., 2002 20 Kroenke et al., 99 P R P Carter et al., 999 R Fouquet et al., 998 R 5 Westbrook et al., 994 2 0 Lyle et al., 997 3 5 0 Stephen et al., 2003 5 30 5 45 5 Tamaki et al., 990 2 2 Hayes et al., 975 (Continued)
TABLE 2.2. Continued Smear Slide Sample Identification Texture (%) Composition (%) Grain Size Mineral Grains Microfossils Exp-Site&Hole-Core&Type-Section, Interval (cm) Sand Silt Clay Accessory Min. Calcite/Dolomite Clay Minerals Fe Oxide Feldspar Other Minerals* Mica Quartz Volcanic Glass Calc. Nannos Diatoms North Atlantic samples 37-333-2-, 80 5 24 7 96 82-558-3-3, 75 none given 2 9 87 82-558-3-6, 75 none given 5 9 84 72-063A-2H-3, 62 40 60 R D T T A C R 72-063A-2H-6, 66 25 75 R D T T C A C 05-646A-2H-, 60 5 60 35 35 30 35 05-646A-2H-2, 87 5 85 0 5 5 0 0 5 65 05-646A-2H-5, 33 0 55 35 5 25 5 35 3 0 62-980A-2H-, 90 20 30 50 2 8 50 4 62-980A-2H-3, 80 0 40 50 50 5 5 0 30 62-980A-2H-6, 80 0 60 30 5 25 5 3 5 20 0 North Atlantic samples 52-99A-2H-, 76 3 8 6 6 7 2 40 5 52-99A-2H-3, 8 85 5 2 69 4 52-99A-2H-4, 50 62 38 38 6 2 25 5 7 4 74-073A-H-, 0 none given 2 23 4 2 20 20 4 74-073A-H-, 20 none given 2 39 2 4 20 8 4-37-3H-2, 90 none given 8 4 5 2 8 * Other minerals includes opaques, phillipsite, phroxene, hornblende, and others. D = dominant, A = abundant, C = common, P = present, R = rare, T = trace.
Lithologic Name of the Sediment Rock Frags./Other Foraminifers Radiolarians Silicoflagellates Sponge Spicules Skeletal Debirs Carbonate Frags. Organic matter Nodules Rock Fragments 4 Aumento et al., 977 2 Bougault et al., 995 2 T T T R Keigwin et al., 998 T T T C Srivastava et al., 987 2 5 3 5 3 Jansen et al., 996 7 2 3 0 3 7 Larsen et al., 994 0 3 0 5 5 Austin et al., 998 8