Earth System Processes 2 (8–11 August 2005)

Session No. 43
Wednesday, 10 August 2005: 1:30 PM-4:30 PM

T31. Proterozic Biosphere

 

Russell Shapiro, Advocates
Paper #
Start Time
1
1:30 PM
WERE PROTEROZOIC SHELF EDGES INHERENTLY UNSTABLE DUE TO LACK OF BIOTURBATION ?
HEUBECK, Christoph E., Freie Univ Berlin, Malteserstr. 74-100, Haus B, Berlin, 12249, cheubeck@zedat.fu-berlin.de, cheubeck@zedat.fu-berlin.de
2
1:50 PM
DRAWDOWN OF A 15N ENRICHED C1 CHONDRITE PRECAMBRIAN ATMOSPHERE
JIA, Yiefei, CSIRO Exlporation & Mining, School of Geosciences, Monash University, P.O.Box 28E, Clayton, Melbourne, 3800, Australia and KERRICH, Robert, Geological Sciences, Univ of Saskatchewan, 114 Science Place, Saskatoon, SK S7N 5E2, Canada, yiefei.jia@csiro.au, yiefei.jia@csiro.au
3
2:10 PM
BIOTIC INFLUENCES ON ‘ABIOTIC’ PALEOPROTEROZOIC STROMATOLITES, BIWABIK IRON-FORMATION, MINNESOTA
SHAPIRO, Russell, Department of Geology, Gustavus Adolphus College, Saint Peter, MN 56082 and PLANAVSKY, Noah, Lawrence University, Appleton, WI 54911, rshapiro@gustavus.edu, rshapiro@gustavus.edu
4
2:30 PM
FACTORS CONTROLLING THE INCREASE IN TORQUE IN THE EARTH-MOON SYSTEM AT THE NEOPROTEROZOIC – CAMBRIAN BOUNDARY
OLIVER, Douglas H., Department of Geosciences, Univ of Arkansas, Fayetteville, AR 72701 and SCHAILEY, Ronald, Tarrant County College, 2100 Southeast Parkway, Arlington, TX 76019, dholiver@uark.edu, dholiver@uark.edu
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