Timescales of the Geomagnetic Field (March 9-11, Sunday- Tuesday)

Transcription

1 AGU Chapman Conference Timescales of the Geomagnetic Field (March 9-11, Sunday- Tuesday) Bless Auditorium, Williamson Hall, University of Florida (First author is the presenter unless another author is underlined) DAY 1, March 9 (Chair: Clement/Tauxe) INTRODUCTION KEYNOTE 1 (25+5) Irving and Hebda Contributions to the study of the Origin and Distribution of Magnolias from Paleomagnetism SPEAKER 1 (15+5) Van der Voo and Torsvik, Long-term Phanerozoic Octupole Fields SPEAKER 2 (15+5) Besse and Oufi Paleomagnetic survey of Late Permian series in Morocco: implications for Pangea reconstruction and GAD Hypothesis COFFEE BREAK (30 MIN) SPEAKER 3 (15+5) Muttoni et al., Early Permian Pangea B to Late Permian Pangea A SPEAKER 4 (15+5) Besse and Courtillot, Apparent and True Polar Wander and the Geometry of the Geomagnetic Field in the Last 200 Million Years SPEAKER 5 (15+5) D. Evans and Raub. Can a Persistently Nonuniformitarian Neoproterozoic-Cambrian Geomagnetic Field Explain Rapid and Oscillatory APW Motions? SPEAKER 6 (15+5) Kirschvink et al. On the paleoposition of North America in mid-vendian through Cambrian time: A Restudy of the Sept Îles and Pointe du Criarde Intrusive Suites, Quebec, Canada SPEAKER 7 (15+5) Meert et al., Non-Dipole Fields and Inclination Analysis: What is the low Inclination Bias Really Telling us? POSTERS KEYNOTE 2 (25+5) McElhinny The Geocentric Axial Dipole Hypothesis - Current Status SPEAKER 8 (15+5) Constable and Johnson The Spectrum of Geomagnetic Temporal Variations SPEAKER 9 (15+5) Johnson and Constable Testing the GAD Hypothesis: Lava Flow Records from 0-5Ma.

2 SPEAKER 10 (15+5) Torsvik and Van der Voo, A Comparison of Hotspot and Palaeomagnetic frames (0-95 Ma) and Estimates of non-dipole Fields SPEAKER 11 (15+5) Yamazaki and Oda, Persistent Non-dipole Components and Intensity-Inclination Correlation SPEAKER 12 (15+5) Opdyke and Mejia, Earth's Magnetic Field 1830 Bar-B-Que at Keene Faculty Center (Campus) Day 2, March 10 (Chair: McElhinny/Irving) KEYNOTE 1 (25+5) Coe and Glen, Short-Term Changes in the Geomagnetic Field: High-Resolution Records and the Relation to Geodynamo Simulations SPEAKER 2 (15+5) Langereis, Reversal Excursions and the Future of High(er) Resolution Correlation SPEAKER 3 (15+5) Krijgsman, Occurrence of Short-Lived Geomagnetic Features Through Time: the Late Miocene -Pliocene gap? COFFEE BREAK (40 MIN) SPEAKER 4 (15+5) Thouveny et al., Geomagnetic Moment Variation and Excursions Since 400 ka BP: Paleomagnetic and Authigenic 10Be/9Be Sedimentary Records from the Portuguese Margin SPEAKER 5 (15+5) Acton et al., Brunhes Geomagnetic and Rock Magnetic Variations Recorded in Eight Holes Cored at ODP Site 1062 on the Bahama Outer Ridge SPEAKER 6 (15+5) Laj et al., High Resolution Global Paleointensity Stack Since 75 kyrs (GLOPIS-75) Calibrated to Absolute Values SPEAKER 7 (15+5) Stoner et al., Timescales of Variability of the Geomagnetic Field: New Constraints From High Resolution Continental Margin Sediments SPEAKER 8 (15+5) Herrero-Brevera and Valet, Paleomagnetism, Paleosecular Variation, Successive Reversals and Absolute Paleointensities Recorded in the Ko'olau and Wai'anae Volcanoes, O'ahu, Hawai'I POSTERS KEYNOTE 2 (25+5) Gubbins, Low Secular Variation in the Pacific SPEAKER 9 (15+5) Roberts and Donald, Report on Some Preliminary Attempts to Improve the on the Realism of Geodynamo Simulations SPEAKER 10 (15+5) Hoffman Regionally Recurring Transitional Field Structures: Further Evidence of Mantle Control Over the Geodynamo SPEAKER 11 (15+5) Harrison A Source Model for the Geomagnetic Field SPEAKER 12 (15+5) Baker and Aldridge Paleomagnetic Intensity Data as a Time Series: Opening a Window Into Dynamics of Earth's Fluid Core?

3 SPEAKER 13 (15+5) Heirtzler, Geomagnetic Field During a Reversal 1900 Banquet at Soveriegn Restaurant (12 SE 2 nd Ave) Speaker: Walter Pitman Day 3, March 11 (Chair: Kent/Torsvik) KEYNOTE 1 (25+5) Larson, Characteristics of the Geomagnetic Field From the Present to the Middle Jurassic: The Perspective From Marine Magnetic Anomalies SPEAKER 1 (15+5) Tauxe and Staudigel, Strength of the Geomagnetic Field in the Cretaceous Normal Superchron: New Data from Submarine Basaltic Glass of the Troodos Ophiolite SPEAKER 2 (15+5) Tarduno et al., The Long-term Nature of the Geodynamo Based on Coupled Analyses of Paleointensity and Paleosecular Variation COFFEE BREAK (40 MIN) SPEAKER 3 (15+5) Dunlop and Yu, Intensity of the Geomagnetic Field During Precambrian Time SPEAKER 4 (15+5) Valet et al. Integration of Paleointensity Data SPEAKER 5 (15+5) Gallet and Pavlov, Third Superchron During the Early Paleozoic? SPEAKER 6 (15+5) Musgrave and Fussell, A Snapshot of Secular Variation Near the Start of the Kiaman Superchron SPEAKER 7 (15+5) Lanci et al., Cryptochrons and Brief Subchrons Recorded at ODP Site 1218 (Equatorial Pacific) POSTERS + LAB VISITS KEYNOTE 2 (25+5) Lowrie, Magnetic Stratigraphy and Geomagnetic Reversal History SPEAKER 8 (15+5) MacFadden, Magnetic Reversals and Old Bones: Opdyke's Contributions to Cenozoic Mammal Evolution SPEAKER 9 (15+5) Clement, How long does it take for Earth's magnetic field to reverse polarity? SPEAKER 10 (15+5) Sager and Tivey, Deep-Tow Investigations of 'Tiny Wiggles' in the Western Pacific Jurassic "Quiet Zone" SPEAKER 11 (15+5) Steiner, Ultra-fast geomagnetic field reversals in the mid-jurassic: ~10,000 yr polarity intervals recorded by Jurassic quiet zone crust SPEAKER 12 (15+5) Pares and Van der Voo, Tiny wiggles in the Cenozoic Magnetic Record: Short Polarity Events Obscured by Intensity Fluctuations? PUBLICATION PLANNING

4 1830 Reception at Florida Museum of Natural History (Powell Hall, Hull Road & SW 34 St.) POSTERS (25 POSTERS) displayed throughout the meeting on 6 x 4 ft poster boards 1) Raub and Kirschvink, A pdrm Model Including Bioturbation by Macrofauna and Meiofauna, and Microbial Diagenesis: Time-Averaged Magnetizations Require One- Tier Sampling and Statistics. 2) Rutter and M. Evans, The Use of Quaternary Magnetostratigraphy in Long Distance Correlation and Depositional Processes 3) Sternberg et al., A Pilot Paleointensity Study of 19th and 20th Century Bricks from the New York City Area 4) Yamamoto, Possible Overestimation of Absolute Paleointensity Data for the Last 5 Ma 5) Boehnel and Molina-Garza, Paleosecular variation in Mexico during Tertiary and Quaternary 6) Stone and Layer, Paleosecular Variation of the Geomagnetic Field in Alaska: The Aleutians Islands and Wrangell Mountains Revisited 7) Geissman and Keating, Multiphase Modeling of Contact Metamorphic Systems and Application to a Miocene Transitional Geomagnetic Field Record, Paiute Ridge, Nevada 8) Herrero-Bervera et al., Geomagnetic Field Inclinations and Absolute Paleointensities for a 350 kyr Time gap From the 350 m Core of the Kalihi Scientific Drilling Project Recovered From the Ko'olau Volcano, O'ahu, Hawai'i. 9) Herrero-Bervera and Valet, Geomagnetic Directional and Absolute Paleointensity Variations Over 350 kyr From Lava Sequences Recorded in O'ahu, Hawai'i. 10) Wehland et al., Towards a Continuous Record of Earth Magnetic Field Reversals by Secondary Pyrrhotite ptrms 11) Tamrat et al., Strata Bound Reversal Stratigraphy in the Middle and Upper Semri Group of the Lower Vindhyanchal Basin (India): Preliminary Paleomagnetic Results 12) Schill and Lowrie, Polarity Record in the Klippen of Bhutans 13) Pares & Lanci, Paleogene and Neogene Magnetostratigraphy from ODP Leg 199 Sediments 14) H. Evans et al., Preliminary Magnetostratigraphic Results From ODP Leg 198- Shatsky Rise

5 15) Liddicoat, Negrini and Zic, Laschamp and Mono Lake Excursions in the same Lacustrine Record from Western North America 16) Liddicoat, Benson et al. Ages of the Mono Lake Excursion and Related Volcanic Tephra in the Great Basin of the Western United States 17) Liddicoat and Coe, Mono Lake Excursion in the Western and Southwestern United States 18) Kent and Schneider, Motions of Mantle Hotspots With Respect to the Spin Axis 19) Muttoni et al., Tethyan magnetostratigrapy from Pizzo Mondello and correlation to the Late Triassic Newark APTS 20) Channell et al., Carnian - Norian biomagnetostratigraphy at Silická Brezová (Slovakia): correlation to other Tethyan sections and to the Newark Basin 21) Channell, Comparison of U-channel and Discrete Sample Data Recording Polarity Reversals and Excursions: Examples From the North Atlantic 22) Singer and Hoffman, An 40Ar/39Ar Based Geomagnetic Instability Timescale (GITS) for the Brunhes and Matuyama Chrons 23) Biggin and Thomas Long term variations in geomagnetic intensity: Links to mantle and crustal processes 24) Selkin et al., How Variable Was the Late Archaean Field?: Paleointensity and Paleomagnetism of the Stillwater Complex, MT 25) Mozzoni and Cain, What is the core trying to tell us?