Earth System Processes 2 (8–11 August 2005)

Session No. 16
Tuesday, 9 August 2005: 1:30 PM-4:30 PM

T11. Oxygen and Evolution on Early Earth II

 

David C. Catling and Ariel Anbar, Advocates
Paper #
Start Time
1
1:30 PM
INVITED: THE USE OF BIOMARKERS FROM OIL INCLUSIONS TO CONSTRAIN PALEOPROTEROZOIC ECOSYSTEMS AND ENVIRONMENTS
GEORGE, Simon C.1, DUTKIEWICZ, Adriana2, VOLK, Herbert1, RIDLEY, John3 and BUICK, Roger4, (1)CSIRO Petroleum, P.O. Box 136, North Ryde, Sydney, NSW 1670, Australia, (2)School of Geosciences, University of Sydney, Sydney, NSW 2006, Australia, (3)Department of Geosciences, Colorado State University, Fort Collins, CO 80523-1482, (4)Department of Earth and Space Sciences & Astrobiology Program, University of Washington, Seattle, WA 98195-1310, Simon.George@csiro.au, Simon.George@csiro.au
2
2:10 PM
THE ROLE OF MICROBIAL INDUCED OXYGENATION IN THE DEPOSITION OF NEOARCHEAN IRON FORMATION: EXAMPLES FROM WESTERN SUPERIOR PROVINCE CANADA
FRALICK, Philip W., Geology Department, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B 5E1, Canada and PUFAHL, Peir K., Department of Geological Sciences and Geological Engineering, Queen's University, Kingston, ON K7L 3N6, Canada, philip.fralick@lakeheadu.ca, philip.fralick@lakeheadu.ca
3
2:30 PM
DISSOLVED ORGANIC CARBON AND MARINE SNOW IN THE PROKARYOTE DOMINATED PRECAMBRIAN OCEANS
BJERRUM, Christian J., Geological Institute, University of Copenhagen, Oster Voldgade 10, Copenhagen K, DK-1350, Denmark, CANFIELD, Donald E., Danish Center for Earth System Science, Univ of Southern Denmark, Campusvej 55, Odense M, 5230, Denmark, KIØRBOE, Thomas, Danish Institute for Fisheries Research, Kavalergården 6, Charlottenlund, DK- 2920 and JACKSON, George A., Department of Oceanography, Texas A&M University, College Station, TX 77843, cjb@geol.ku.dk, cjb@geol.ku.dk
 
2:50 PM
Break
4
3:10 PM
METAL LIMITATION OF NITROGEN-FIXING CYANOBACTERIA THROUGH TIME AND RESULTING ISOTOPIC TRENDS
ZERKLE, Aubrey L., Dept. Geosciences, Pennsylvania State University, 207 Deike Building, University Park, PA 16802, COX, Raymond P., Dept. Biochemistry and Molecular Biology, University of Southern Denmark, Odense, JUNIUM, Christopher K., Dept. Geosciences, Pennsylvania State University, University Park, PA 16802, HOUSE, Christopher H., Pennsylvania State Univ, 208 Deike Bldg, University Park, PA 16802-2711 and CANFIELD, Donald E., Danish Center for Earth System Science, Univ of Southern Denmark, Campusvej 55, Odense M, 5230, Denmark, azerkle@geosc.psu.edu, azerkle@geosc.psu.edu
5
3:30 PM
MODELING THE RISE OF ATMOSPHERIC OXYGEN
CLAIRE, Mark W., Astronomy, University of Washington, Box 351580, Seattle, WA 98195, CATLING, David C., Earth Sciences, University of Bristol, Willis Memorial Building, Oueen's Road, Bristol, BS8 1RJ, United Kingdom and ZAHNLE, Kevin J., Space Science Division, NASA Ames Research Center, 3MS 245-3 Moffett Field, CA 94035, USA, Moffett Field, CA 94035, mclaire@astro.washington.edu, mclaire@astro.washington.edu
6
3:50 PM
MULTIPLE EXTREME GLACIATIONS IN THE PALAEOPROTEROZOIC: COUPLED CLIMATE BIOGEOCHEMICAL DYNAMICS
GOLDBLATT, Colin1, WATSON, Andrew J.2 and LENTON, Timothy M.2, (1)School of Environmental Science, University of East Anglia, Norwich, NR4 7TJ, (2)School of Environmental Science, University of East Anglia, Norwich, NR4 7TJ, United Kingdom, c.goldblatt@uea.ac.uk, c.goldblatt@uea.ac.uk
 
4:10 PM
Discussion
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