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Southeastern Section–55th Annual Meeting (23–24 March 2006)

Session No. 16
Thursday, 23 March 2006: 1:30 PM-3:45 PM

T7. New Views on Old Rocks: Insights on Biospheric Evolution from the Precambrian Sedimentary Record

GSA Sedimentary Geology Division; Eastern Section of the Society for Sedimentary Geology (SEPM)

 

Linda C. Kah and Christopher M. Fedo, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:35 PM
CRITICAL ASSESSMENT OF THE GEOLOGIC AND ISOTOPIC EVIDENCE CONCERNING EARTH'S OLDEST ENVIRONMENTS AND CLAIMS FOR LIFE ON AKILIA, SW GREENLAND
FEDO, Christopher M., Department of Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996 and WHITEHOUSE, Martin J., LIG, Swedish Museum of Natural History, Stockholm, SE-104 05, Sweden, cfedo@utk.edu, cfedo@utk.edu
2
1:55 PM
LEAD ISOTOPES IN CA. 2.32 GA SHALES, SOUTH AFRICA: EVIDENCE FOR OXIDATIVE CONTINENTAL CRUST WEATHERING
POLLACK, Gerald D.1, KROGSTAD, Eirik J.1 and BEKKER, Andrey2, (1)Geosciences, Georgia State University, 24 Peachtree Center Avenue, SE, Atlanta, GA 30303, (2)Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Rd., N.W, Washington, DC 20015-1305, gpollack1@student.gsu.edu, gpollack1@student.gsu.edu
3
2:15 PM
A BREATH OF FRESH AIR: HOW GREAT WAS THE GREAT OXIDATION EVENT?
KAH, Linda C., Department of Earth & Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 37996, lckah@utk.edu, lckah@utk.edu
4
2:35 PM
ORIGIN OF PRECAMBRIAN MOLAR-TOOTH MICROSPAR: A NEW LOOK AT AN OLD PROBLEM
CRAWFORD, J.C., GOODMAN, Emily E. and KAH, Linda C., Department of Earth & Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 37996, curtcrawford@comcast.net, curtcrawford@comcast.net
5
2:55 PM
ORIGIN OF MIDDLE WALLACE BRECCIAS, MESOPROTEROZOIC BELT SUPERGROUP, MONTANA AND IDAHO
OVEROCKER, Quintin M. and KAH, Linda C., Department of Earth & Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 37996, qoverock@utk.edu, qoverock@utk.edu
6
3:15 PM
PALEOENVIRONMENTAL AND PALEOBIOGEOGRAPHIC IMPLICATIONS OF A SWARTPUNTIID FROM THE EDIACARAN PERIOD, CAROLINA TERRANE, STANLY COUNTY, NORTH CAROLINA
TACKER, R. Chris1, WEAVER, Patricia G.1 and MCMENAMIN, Mark A.S.2, (1)Geology/Paleontology, NC Museum of Natural Sciences, 11 West Jones St, Raleigh, NC 27601, (2)Department of Earth and Environment, Mount Holyoke College, South Hadley, MA 01075, christopher.tacker@ncmail.net, christopher.tacker@ncmail.net
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