Geological Society of America

1:30 PM

WAS THE MOON INVOLVED IN THE FIRST 650 MILLION YEARS OF EARTH HISTORY?: TWO CONTRASTING SCENARIOS

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

92183 (Technical Sessions)

1:45 PM

CONGLOMERATE OR DEFORMED AND METASOMATIZED TONALITE? GEOCHEMICAL EVIDENCE ON THE ORIGIN OF THE “BOULDER BED,” ISUA GREENSTONE BELT, GREENLAND

Christopher M. Fedo, University of Tennessee, Knoxville, TN and Stephen Moorbath, University of Oxford, Oxford, N/A

94891 (Technical Sessions)

2:15 PM

RESTUDY OF EARLY NEOPROTEROZOIC CARBONACEOUS COMPRESSIONS PARARENICOLA AND PROTOARENICOLA

Lin Dong, Virginia Poltechnic Institute and State Univ, Blacksburg, VA and Shuhai Xiao, Virginia Polytechnic Institute and State Univ, Blacksburg, VA and Bing Shen, Virginia Polytechnic Institute and State Univ, Blacksburg, VA and Xunlai Yuan, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing and Yongbo Peng, Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing, N/A and Xianqin Yan, Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing, N/A

90196 (Technical Sessions)

2:45 PM

OVERSTEPPED REACTIONS, ANATEXIS AND MAGMA INJECTION: ZONAL DIFFERENCES IN THE CONTACT-AUREOLE OF THE MARCY META-ANORTHOSITE MASSIF, NEW RUSSIA GNEISS COMPLEX, NORTHEASTERN ADIRONDACK HIGHLANDS, NY

J. Alcock, Penn State Abington College, Abington, PA and Peter Muller, SUNY-Oneonta, Oneonta, NY

91738 (Technical Sessions)

3:00 PM

THERMOCHRONOLOGY OF METAPELITES IN THE EASTERN ADIRONDACK MOUNTAINS, NEW YORK

Barbara M. Hill, Syracuse University, Syracuse, NY and M.E. Bickford, Syracuse University, Syracuse, NY and MJ. Heumann, Syracuse University, Syracuse, NY and J.M. McLelland, Colgate University, Hamilton, NY

91519 (Technical Sessions)

3:15 PM

FLUID DRIVEN METAMORPHISM ALONG THE CARTHAGE-COLTON MYLONITE ZONE: THE ROLE OF LATE GRANITE INTRUSION, AND REGIONAL FLUID FLOW DURING THE WANING STAGES OF THE OTTAWAN OROGENY: ADIRONDACK MOUNTIANS, NYS

Eric Lee Johnson, Hartwick College, Oneonta, NY and David Chapman, Hartwick College, Oneonta, NY and Joshua Valder, South Dakota School of Mines and Technology, Rapid City, SD

92672 (Technical Sessions)

3:30 PM

U-PB CHRONOLOGY OF DETRITAL ZIRCONS IN THE IRVING POND QUARTZITE, ADIRONDACK MOUNTAINS, NEW YORK: IMPLICATIONS FOR TECTONIC HISTORY OF THE GRENVILLE OROGENIC CYCLE

James M. McLelland, Colgate Univ, Hamilton, NY and M.E. Bickford, Syracuse University, Syracuse, NY and Barbara H. Hill, Syracuse University, Syracuse, NY and Bruce W. Selleck, Colgate Univ, Hamilton, NY

92104 (Technical Sessions)

3:45 PM

DETRITAL ZIRCON AND MUSCOVITE GEOCHRONOLOGY FROM SOUTHWEST USA MESOPROTEROZOIC ROCKS

Kathryn E. Fletcher, New Mexico Institute of Mining and Technology, Socorro, NM and J. Michael Timmons, New Mexico Tech, Socorro, NM and Karl E. Karlstrom, University of New Mexico, Albuquerque, NM and Matthew Heizler, New Mexico Bureau of Mines and Mineral Rscs, Socorro, NM and George Gehrels, Univ of Arizona, Tucson, AZ and Laura J. Crossey, University of New Mexico, Albuquerque, NM and John D. Bloch, University of New Mexico, Albuquerque, N/A

95630 (Technical Sessions)

4:00 PM

PALEOMAGNETISM OF MESOPROTEROZOIC IGNEOUS ROCKS, WEST-TEXAS BORE CORE

John W. Geissman, University of New Mesico, Albuquerque, NM and Calvin G. Barnes, Texas Tech Univ, Lubbock, TX and Melanie A. Barnes, Texas Tech, Lubbock, TX

94666 (Technical Sessions)

170 Precambrian Geology

Presentations