2004 Denver Annual Meeting (November 7–10, 2004)
Session No. 197 Wednesday, November 10, 2004
8:00 AM-12:00 PM, Colorado Convention Center: 703

Precambrian Geology

Peter E. Betts and Marion E. Bickford, Presiding
 Paper #Start Time
197-18:00 AM OXYGEN ISOTOPES IN EARLY ARCHEAN ZIRCONS: CORRELATING IN-SITU δ18O ION PROBE ANALYSES WITH CONCORDANT U/PB DOMAINS AND CL ZONING: CAVOSIE, Aaron J., Department of Geology and Geophysics, University of Wisconsin, 1215 W. Dayton, Madison, WI 53706, acavosie@geology.wisc.edu, VALLEY, J.W., Department of Geology and Geophysics, University of Wisconsin-Madison, 1215 West Dayton Street, Madison, WI 53706, WILDE, Simon A., Department of Applied Geology, Curtin University of Technology, GPO Box U1987, Western Australia, Perth, 6845, and EIMF, The, Edinburgh Ion Microprobe Facility, School of Geosciences, University of Edinburgh, Edinburgh, United Kingdom
197-28:15 AM ISOTOPIC CONSTRAINTS ON THE SOURCES OF FE IN BANDED IRON FORMATIONS: JOHNSON, C.M., Department of Geology and Geophysics, Univ of Wisconsin, 1215 West Dayton Street, Madison, WI 53706, clarkj@geology.wisc.edu and BEARD, Brian, Geology and Geophysics, Univ of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706
197-38:30 AM CHARACTERIZATION OF THE CARBONACEOUS MATERIAL IN THE 3.4 GA STRELLEY POOL CHERT, PILBARA CRATON, WESTERN AUSTRALIA: MARSHALL, Craig P.1, ALLWOOD, Abigail C.1, WALTER, Malcolm R.1, VAN KRANENDONK, Martin J.2, and SUMMONS, Roger E.3, (1) Department of Earth and Planetary Sciences, Macquarie Univ, Macquarie University, Sydney, 2109, cmarshal@els.mq.edu.au, (2) Geological Survey of Western Australia, Geol Survey of Western Australia, 100 Plain St, Perth, Western Australia, Perth, 6004, (3) Department of Earth, Atmospheric and Planetary Sciences, MIT, MIT EAPS Dept E34-246, 77 Massachusetts Ave, Cambridge, MA 02139
197-48:45 AM LIFE AT 3.4 GA: PALEOBIOLOGY AND PALEOENVIRONMENT OF THE STROMATOLITIC STRELLEY POOL CHERT, PILBARA CRATON, WESTERN AUSTRALIA: ALLWOOD, Abigail C., Australian Centre for Astrobiology, Dept of Earth and Planetary Sciences, Macquarie Univ, Building E8C 153, Herring Rd, North Ryde, NSW, Sydney, 2109, aallwood@els.mq.edu.au, WALTER, Malcolm R., Earth and Planetary Sciences, Australian Centre for Astrobiology, Macquarie Univ, New South Wales, 2109, Australia, MARSHALL, Craig P., Department of Earth and Planetary Sciences, Australian Centre for Astrobiology, Macquarie Univ, Sydney, NSW 2109, Australia, and VAN KRANENDONK, Martin J., Geol Survey of Western Australia, 100 Plain St, East Perth, WA, 6004
197-59:00 AM NEW SHRIMP U-PB ZIRCON AGES FOR THE PALEOARCHEAN TO MESOARCHEAN ROCKS OF THE MINNESOTA RIVER VALLEY: BICKFORD, M.E., Department of Earth Sciences, Syracuse Univ, Syracuse, NY 13244, mebickfo@syr.edu, WOODEN, Joseph L., USGS-SUMAC, Rm. 89, Ion Probe Lab, Green Building, 367 Panama Street, Stanford, CA 94305, and BAUER, Robert L., Geological Sciences, Univ of Missouri, Columbia, 101 Geological Sciences Bldg, Columbia, MO 65211
197-69:15 AM 1.8-1.5 GA ACCRETIONARY TECTONICS ALONG THE SOUTHERN MARGIN OF THE AUSTRALIAN CONTINENT: IMPLICATIONS FOR PALAEOPROTEROZOIC PLATE RECONSTRUCTIONS OF AUSTRALIA AND LAURENTIA: BETTS, Peter G., School of Geosciences, Australian Crustal Research Centre, Monash Univ, PO BOX 28E, Wellington Road, Clayton, 3800, pbetts@earth.monash.edu.au and GILES, David, Australian Crustal Research Centre, School of Geosciences, Monash Univ, PO BOX 28E, Wellington Road, Clayton, 3800, Australia
197-79:30 AM TRACE ELEMENTS AND ND-ISOTOPIC PROVENANCE OF THE MID-PROTEROZOIC VINDHYAN BASIN, INDIA: A MID-PROTEROZOIC FORELAND BASIN?: CHAKRABARTI, Ramananda, Earth and Environmental Sciences, Univ of Rochester, 227 Hutchison Hall, Rochester, NY 14627, ramananda@siena.earth.rochester.edu, BASU, Asish R., Department of Earth and Environmental Sciences, Univ of Rochester, 227 Hutchison Hall, Rochester, NY 14627, and CHAKRABARTI, Amitabha, Geology and Geophysics, Indian Institute of Technology, Kharagpur, 721302, India
197-89:45 AM STRATIGRAPHIC TIMING CONSTRAINTS ON POST-GLACIAL EMPLACEMENT AND EROSIONAL EVENTS PRESERVED IN THE IBEX FORMATION OF DEATH VALLEY CALIFORNIA: DEYOUNG, Damon P., KENNEDY, Martin J., THOMPSON, Karl R., and MROFKA, David D., Department of Earth Sciences, University of California Riverside, Riverside, CA 92521-0423, damon.deyoung@email.ucr.edu
197-910:00 AM RE-OS DEPOSITIONAL AGE OF THE NEOPROTEROZOIC ARALKA FORMATION (AMADEUS BASIN, AUSTRALIA) REVISITED: KENDALL, Brian S. and CREASER, Robert A., Earth and Atmospheric Sciences, Univ of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G2E3, Canada, bkendall@ualberta.ca
197-1010:15 AM Paper Withdrawn
197-1110:30 AM THE GRENVILLIAN TOMIKO QUARTZITES OF ONTARIO: CORRELATIVE WITH THE BARABOO QUARTZITES OF WISCONSIN OR THE MAZATZAL OROGEN OF NEW MEXICO? IMPLICATIONS FOR THE TECTONIC ARCHITECTURE OF LAURENTIA IN THE GREAT LAKES REGION: EASTON, Robert Michael, Ontario Geol Survey, 933 Ramsey Lake Rd Rm B7064, Sudbury, ON P3E 6B5, eastonrm@vianet.on.ca and KAMO, Sandra L., Jack Satterly Geochronology Laboratory, Univ of Toronto, 22 Russell Street, Toronto, ON M5S 3B1, Canada, Skamo@geology.utoronto.ca
197-1210:45 AM FIRST INVENTORY OF GRENVILLIAN ROCKS IN SOUTH AMERICA: SANTOS, João Orestes1, RIZZOTTO, Gilmar Jose2, DIETSCH, Craig3, POTTER, Paul E.3, and EASTON, Robert M.4, (1) Av. Borges de Medeiros 3200-1905, Porto Allegre 90110-150 RS, Brazil, orestes1@uol.com.br, (2) CPRM, Porto Velho 78504-300, Rondonia, Brazil, (3) Department of Geology, Univ of Cincinnati, Cincinnati, OH 45221-0013, craig.dietsch@uc.edu, (4) Ontario Geol Survey, 933 Ramsey Lake Rd, Rm B7064, Sudbury, ON P3E 6B5, Canada
197-1311:00 AM METAMORPHISM OF MARBLES IN THE MORIN TERRANE (GRENVILLE PROVINCE, QUEBEC): PECK, William H.1, DEANGELIS, Michael T.2, MEREDITH, Michael T.3, and MORIN, Etienne1, (1) Department of Geology, Colgate Univ, 13 Oak Drive, Hamilton, NY 13346, wpeck@mail.colgate.edu, (2) Department of Earth and Planetary Sciences, Univ of Tennessee, Knoxville, TN 37996, (3) Department of Geology and Geophysics, Univ of Wyoming, Laramie, WY 82071
197-1411:15 AM Paper Withdrawn
197-1511:30 AM EVIDENCE FOR COEVAL, NON-COMAGMATIC, RELATIONSHIPS WITHIN THE ADIRONDACK ANORTHOSITE-MANGERITE-CHARNOCKITE-GRANITE (AMCG) SUITE, NEW YORK STATE: MCLELLAND, James M., Dept Geosciences, Skidmore College, Saratoga Springs, NY 12866, jmclelland@citlink.net, BICKFORD, Marion E., Dept. Earth Sciences, Syracuse Univ, Syracuse, NY 13244, and VALLEY, John W., Department of Geology and Geophysics, Univ of Wisconsin, Madison, WI 53706

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