Session: Precambrian Geology (2004 Denver Annual Meeting (November 7

Paper #

Start Time

1

8:00 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, 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, acavosie@geology.wisc.edu, acavosie@geology.wisc.edu

2

8:15 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 and BEARD, Brian, Geology and Geophysics, Univ of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706, clarkj@geology.wisc.edu, clarkj@geology.wisc.edu

3

8:30 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, (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, cmarshal@els.mq.edu.au, cmarshal@els.mq.edu.au

4

8:45 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, 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, aallwood@els.mq.edu.au, aallwood@els.mq.edu.au

5

9:00 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, 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, mebickfo@syr.edu, mebickfo@syr.edu

6

9:15 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 and GILES, David, Australian Crustal Research Centre, School of Geosciences, Monash Univ, PO BOX 28E, Wellington Road, Clayton, 3800, Australia, pbetts@earth.monash.edu.au, pbetts@earth.monash.edu.au

7

9:30 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, 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, ramananda@siena.earth.rochester.edu, ramananda@siena.earth.rochester.edu

8

9:45 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, damon.deyoung@email.ucr.edu

9

10:00 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, bkendall@ualberta.ca

10

10:15 AM

Withdrawn

11

10:30 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 and KAMO, Sandra L., Jack Satterly Geochronology Laboratory, Univ of Toronto, 22 Russell Street, Toronto, ON M5S 3B1, Canada, Skamo@geology.utoronto.ca, Skamo@geology.utoronto.ca

12

10:45 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, (2)CPRM, Porto Velho 78504-300, Rondonia, Brazil, (3)Department of Geology, Univ of Cincinnati, Cincinnati, OH 45221-0013, (4)Ontario Geol Survey, 933 Ramsey Lake Rd, Rm B7064, Sudbury, ON P3E 6B5, Canada, craig.dietsch@uc.edu, craig.dietsch@uc.edu

13

11:00 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, (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, wpeck@mail.colgate.edu, wpeck@mail.colgate.edu

14

11:15 AM

Withdrawn

15

11:30 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, 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, jmclelland@citlink.net, jmclelland@citlink.net

2004 Denver Annual Meeting (November 7–10, 2004)

Precambrian Geology