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

Thursday, 23 March 2006
1:30 PM - 3:45 PM

Presentations

• 1:35 PM
  CRITICAL ASSESSMENT OF THE GEOLOGIC AND ISOTOPIC EVIDENCE CONCERNING EARTH'S OLDEST ENVIRONMENTS AND CLAIMS FOR LIFE ON AKILIA, SW GREENLAND
  Christopher M. Fedo, University of Tennessee, Knoxville, TN and Martin J. Whitehouse, Swedish Museum of Natural History, Stockholm, N/A
  102384 (THEME SESSIONS)
• 1:55 PM
  LEAD ISOTOPES IN CA. 2.32 GA SHALES, SOUTH AFRICA: EVIDENCE FOR OXIDATIVE CONTINENTAL CRUST WEATHERING
  Gerald D. Pollack, Georgia State University, Atlanta, GA and Eirik J. Krogstad, Georgia State University, Atlanta, GA and Andrey Bekker, Carnegie Institution of Washington, Washington, DC
  102124 (THEME SESSIONS)
• 2:15 PM
  A BREATH OF FRESH AIR: HOW GREAT WAS THE GREAT OXIDATION EVENT?
  Linda C. Kah, University of Tennessee, Knoxville, TN
  102108 (THEME SESSIONS)
• 2:35 PM
  ORIGIN OF PRECAMBRIAN MOLAR-TOOTH MICROSPAR: A NEW LOOK AT AN OLD PROBLEM
  J.C. Crawford, University of Tennessee, Knoxville, TN and Emily E. Goodman, University of Tennessee, Knoxville, TN and Linda C. Kah, University of Tennessee, Knoxville, TN
  102116 (THEME SESSIONS)
• 2:55 PM
  ORIGIN OF MIDDLE WALLACE BRECCIAS, MESOPROTEROZOIC BELT SUPERGROUP, MONTANA AND IDAHO
  Quintin M. Overocker, University of Tennessee, Knoxville, TN and Linda C. Kah, University of Tennessee, Knoxville, TN
  102113 (THEME SESSIONS)
• 3:15 PM
  PALEOENVIRONMENTAL AND PALEOBIOGEOGRAPHIC IMPLICATIONS OF A SWARTPUNTIID FROM THE EDIACARAN PERIOD, CAROLINA TERRANE, STANLY COUNTY, NORTH CAROLINA
  R. Chris Tacker, NC Museum of Natural Sciences, Raleigh, NC and Patricia G. Weaver, NC Museum of Natural Sciences, Raleigh, NC and Mark A.S. McMenamin, Mount Holyoke College, South Hadley, MA
  100522 (THEME SESSIONS)