43 Proterozic Biosphere

Wednesday, 10 August 2005
1:30 PM - 4:30 PM

Presentations

• 1:30 PM
  WERE PROTEROZOIC SHELF EDGES INHERENTLY UNSTABLE DUE TO LACK OF BIOTURBATION ?
  Christoph E. Heubeck, Freie Univ Berlin, Berlin, N/A
  88475 (THEME SESSIONS)
• 1:50 PM
  DRAWDOWN OF A 15N ENRICHED C1 CHONDRITE PRECAMBRIAN ATMOSPHERE
  Yiefei Jia, Monash University, Melbourne, N/A and Robert Kerrich, Univ of Saskatchewan, Saskatoon, SK
  88650 (THEME SESSIONS)
• 2:10 PM
  BIOTIC INFLUENCES ON ‘ABIOTIC’ PALEOPROTEROZOIC STROMATOLITES, BIWABIK IRON-FORMATION, MINNESOTA
  Russell Shapiro, Gustavus Adolphus College, Saint Peter, MN and Noah Planavsky, Lawrence University, Appleton, WI
  88762 (THEME SESSIONS)
• 2:30 PM
  FACTORS CONTROLLING THE INCREASE IN TORQUE IN THE EARTH-MOON SYSTEM AT THE NEOPROTEROZOIC – CAMBRIAN BOUNDARY
  Douglas H. Oliver, Univ of Arkansas, Fayetteville, AR and Ronald Schailey, Tarrant County College, Arlington, TX
  88913 (THEME SESSIONS)