Geological Society of America

4:30 PM

MICROBIAL COMMUNITY OF HYDROTHERMS SPACE SUBJECTS AS A POSSIBLE SOURCE OF ORIGIN OF LIFE ON THE EARTH

Stanislav Zhmur, Institute of the Lithosphere of Marginal Seas RAS, Moscow, N/A and Vitali Duda, G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms RAS, Pushchino, N/A

6482 (THEME SESSIONS)

4:30 PM

HISTORY OF THE WORLD, PART 1: A 3.8-2.7 GA OVERVIEW OF THE AKULLEQ TERRANE, GREENLAND, AND CONTROVERSIES THEREIN

Stephen W. Grimes, Memorial Univ Newfoundland, St Johns's, NF

7055 (THEME SESSIONS)

4:30 PM

NEOPROTEROZOIC SEDIMENTATION AND RIFTING EVENTS ON EARTH: POSSIBLE LUNAR INVOLVEMENT

Robert J. Malcuit, Denison Univ, Granville, OH and Ronald R. Winters, Denison Univ, Granville, OH

7076 (THEME SESSIONS)

4:30 PM

MAJOR CHANGE IN EARTH'S INTERNAL BEHAVIOUR, 2.8-2.2GA, WITH A CHAIN OF GLOBAL CONSEQUENCES FOR THE CRUST LEADING TO THE RISE OF OXYGEN

Miles F. Osmaston, N/A, Woking, Surrey, N/A

7257 (THEME SESSIONS)

4:30 PM

K-AR AND OXYGEN ISOTOPIC CONSTRAINTS OF ILLITIC CLAYS ON THE TIMING AND EVOLUTION OF THE WOODLEIGH IMPACT STRUCTURE, CARNARVON BASIN, WESTERN AUSTRALIA

I. Tonguc Uysal, The Univ of Queensland, Brisbane, N/A and Suzanne D. Golding, The Univ of Queensland, Brisbane, N/A and Andrew Y. Glikson, Australian National Univ, Canberra, N/A and Arthur J. Mory, Geol Survey of Western Australia, East Perth, N/A

7365 (THEME SESSIONS)

4:30 PM

THE PAST EARTH'S ROTATION AND ASTROMOMICAL CONSEQUENCES

A. I. Arbab, Univ of Khartoum, Khartoum, N/A

7476 (THEME SESSIONS)

4:30 PM

THE TRIASSIC-JURASSIC BOUNDARY EVENT: LINKING THE TERRESTRIAL AND MARINE RECORDS

Stephen P. Hesselbo, University of Exeter, Penryn and Stuart A. Robinson, Univ of Oxford, Oxford, N/A and Finn Surlyk, Univ Copenhagen, Copenhagen

7494 (THEME SESSIONS)

4:30 PM

THE TRIASSIC-JURASSIC BOUNDARY EVENT: SEARCHING FOR THE MECHANISM

Lawrence H. Tanner, Bloomsburg Univ, Bloomsburg, PA

7665 (THEME SESSIONS)

4:30 PM

CARBON ISOTOPE ANOMALY AND OTHER GEOCHEMICAL CHANGES AT THE TRIASSIC/JURASSIC BOUNDARY: IMPLICATIONS FOR EXTINCTION SCENARIOS

József Pálfy, Museum für Naturkunde, Berlin, N/A and Attila Demény, Hungarian Academy of Sciences, Budapest, N/A and János Haas, Hungarian Academy of Sciences, Budapest, N/A and Magdolna Hetényi, Univ of Szeged, Szeged, N/A and Michael Orchard, Geol Survey of Canada, Vancouver, BC and István Vetõ, Hungarian Geological Institute, Budapest, N/A

7842 (THEME SESSIONS)

4:30 PM

TESSELLATED HOTSPOTS IN THE FOOTPRINT OF PANGAEA: RAYLEIGH-TAYLOR MANTLE DIAPIRISM TRIGGERS SUPERCONTINENT BREAKUP AT PALEOZOIC-MESOZOIC TRANSITION

James W. Sears, Univ of Montana, Missoula, MT

7870 (THEME SESSIONS)

4:30 PM

TRANSITIONS AND THE AMALGAMATION AND FRAGMENTATION OF SUPERCONTINENTS

Ian W.D. Dalziel, Univ of Texas at Austin, Austin, TX

7902 (THEME SESSIONS)

4:30 PM

ASTRONOMICAL CALIBRATION OF THE LATE EOCENE TIMESCALE

Heiko Pälike, Cambridge Univ, Cambridge, N/A and Nicholas J. Shackleton, Cambridge Univ, Cambridge, N/A and Ursula Roehl, Univ Bremen, Bremen