Geological Society of America

8:15 AM

EARLY ARCHEAN OPHIOLITES AND THE COOL EARLY EARTH: CAN THEY BE EXPLAINED IN THE CONTEXT OF A TIDAL CAPTURE MODEL FOR THE ORIGIN OF THE MOON?

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

125413 (Technical Sessions)

8:30 AM

RECONSTRUCTING ARCHEAN CLIMATE WITH HARD AND MODIFIED KINFLOW

Rob Rye, University of Southern California, Los Angeles, CA and Edward W. Bolton, Yale University, New Haven, CT

130868 (Technical Sessions)

8:45 AM

PROTOLITH FORMATION ACROSS THE CAUVERY SHEAR ZONE IN SOUTHERN GRANULITE TERRAIN, SOUTHERN INDIA: EVIDENCE FROM U-PB ZIRCON GEOCHRONOLOGY

Rajneesh Bhutani, Washington University, St. Louis, MO and Zhan X. Peng, Washington University, St. Louis, MO and Robert Buchwaldt, Washington University, St. Louis, MO and S. Balakrishnan, Pondicherry University, Puducherry, N/A and Frank A. Podosek, Washington University, St. Louis, MO

131335 (Technical Sessions)

9:00 AM

SYN-TECTONIC INJECTION OF ~3.65 GA GRANITOID MAGMAS INTO A DEVELOPING GNEISS COMPLEX, ISUKASIA REGION, INNER GODTHÅBSFJORD, GREENLAND: MAGNITUDE, POSSIBLE MECHANISMS OF EMPLACEMENT, AND LACK OF CAUSAL RELATIONSHIP TO SUBSEQUENT DOMING

Stephen W. Grimes, University of Texas at Brownsville, Brownsville, TX

132481 (Technical Sessions)

9:15 AM

U-PB ZIRCON AGE CONSTRAINTS ON PROTEROZOIC GRANITIC MAGMATISM AND SHEAR ZONE DEVELOPMENT IN THE GLENWOOD SPRINGS AREA, COLORADO

James V. Jones, University of Minnesota Morris, Morris, MN and Colin Shaw, Montana State University, Bozeman, MT and Robert E. Goodfellow, University of Minnesota Morris, Morris, MN and Todd Housh, The Univ of Texas at Austin, Austin, TX

130354 (Technical Sessions)

9:30 AM

SUB-GLACIAL GEOLOGY OF PRINCESS ELIZABETH LAND, EAST ANTARCTICA- A PRELIMINARY INVESTIGATION AND RESULTS: ITS TECTONIC IMPLICATION

Yue Zhao, Institute of Geomechanics, Beijing, N/A and Shuanhong Zhang, Institute of Geomechanics, Beijing, N/A

132606 (Technical Sessions)

10:00 AM

RECOGNITION OF OCEANIC CRUST IN THE ADIRONDACK LOWLANDS

Jeffrey R. Chiarenzelli, St. Lawrence University, Canton, NY and Marian Lupulescu, New York State Museum, Albany, NY and Brian Cousens, Carleton University, Ottawa, ON and Eric Thern, Curtin University of Technology, Perth, N/A and David Nelson, Curtin University of Technology, Perth, N/A

126761 (Technical Sessions)

10:15 AM

ZIRCON GEOCHRONOLOGY OF THE LAC PICHÉ ANORTHOSITE, FORÊT MONTMORENCY COMPLEX, GRENVILLE PROVINCE, QUEBEC: IMPLICATIONS FOR MASSIF ANORTHOSITE DEVELOPMENT IN THE CRUML BELT

Robert Buchwaldt, Washington Univ, St. Louis, MO and Robert F. Dymek, Washington University, St. Louis, MO and Tomas Feininger, Université Laval, Québec, QC

131122 (Technical Sessions)

10:30 AM

LATE MESOPROTEROZOIC BASIN FORMATION AND DEFORMATION OF THE UNKAR GROUP OF GRAND CANYON, AZ: NEW INSIGHTS FROM INTRACRATONIC GRENVILLE-AGE DEPOSITS

J. Michael Timmons, New Mexico Tech, Socorro, NM and Laura Crossey, 1609 Stanford NE, Albuquerque, NM and Peter A. Scholle, New Mexico Tech, Socorro, NM and Dana S. Ulmer-Scholle, New Mexico Tech, Socorro, NM

130283 (Technical Sessions)

10:45 AM

EVOLUTION OF THE SUNSÁS OROGEN, A GRENVILLIAN EQUIVALENT IN SOUTH AMERICA, BASED ON DETRITAL ZIRCON U-PB GEOCHRONOLOGY

João O.S. Santos, The University of Western Australia, Perth and Paul E. Potter, University of Cincinnati, Cincinnati, OH and Gilmar J. Rizzotto, CPRM, Porto Velho, N/A and Neal J. McNaughton, University of Western Australia, Perth, N/A

128100 (Technical Sessions)

11:00 AM

NEOPROTEROZOIC PALEOGEOGRAPHY, RODINIA BREAKUP, AND STURTIAN GLACIATION: CONSTRAINTS FROM RE-OS BLACK SHALE AGES FROM SOUTHERN AUSTRALIA AND NORTHWESTERN TASMANIA

Brian Kendall, Arizona State University, Tempe, AZ and Robert A. Creaser, University of Alberta, Edmonton, AB and Clive R. Calver, Mineral Resources Tasmania, Hobart, N/A and Timothy D. Raub, California Institute of Technology, Pasadena, CA and David A.D. Evans, Yale University, New Haven, CT

130484 (Technical Sessions)

11:15 AM

CRYOGENIAN CARBONATE-SLATE SEQUENCES OF THE TAMBIEN GROUP, N. ETHIOPIA: PRE-“STURTIAN” CHEMOSTRATIGRAPHY AND REGIONAL CORRELATIONS

Nathan R. Miller, University of Missouri - Rolla, Rolla, MO and Robert Stern, Univ of Texas at Dallas, Richardson, TX and Dov Avigad, Hebrew University of Jerusalem, Jerusalem, N/A and Michael Beyth, Geol Survey of Israel, Jerusalem

129160 (Technical Sessions)

11:30 AM

TECTONIC IMPLICATIONS OF EARLY E-W ORIENTED STRUCTURES IN THE SOUTHERN ARABIAN-NUBIAN SHIELD, NORTHERN ETHIOPIA

Yonathan Admassu, Kent State Univ, Kent, OH and Daniel Holm, Kent State Univ, Kent, OH and La Verne Friberg, University of Akron, Akron, OH

126374 (Technical Sessions)

121 Precambrian Geology

Presentations