Session No. 96 Monday, October 28, 2002

1:30 PM-5:35 PM, Colorado Convention Center: C109
T30. Microbial Sulfur Transformations Throughout Earth's History: Development, Changes, and Future of the Biogeochemical Sulfur Cycle
Jan P. Amend and Katrina Edwards, Presiding
 Paper #Start Time
96-11:30 PM THE ROLE OF ORGANIC SULFUR IN GLOBAL SULFUR CYCLING: LINKS TO INORGANIC SULFUR AND MICROBIAL PROCESSES: WERNE, Josef P., Large Lakes Observatory and Dept. of Chemistry, Univ of Minnesota Duluth, 10 University Dr, Duluth, MN 55812, jwerne@d.umn.edu, HOLLANDER, David J., Marine Science, Univ of South Florida, St. Petersburg, FL 33701, LYONS, Timothy W., Department of Geological Sciences, Univ. of Missouri, Columbia, MO 65211, and SINNINGHE DAMSTÉ, Jaap S., Marine Biogeochemistry and Toxicology, Royal Netherlands Institute for Sea Rsch (NIOZ), PO Box 59, Den Burg, 1790 AB, Netherlands
96-21:50 PM SIGNIFICANCE OF A TAURINE:PYRUVATE AMINOTRANSFERASE IN TAURINE DESULFONATION BY ANAEROBIC BACTERIA: NOVAK, Ryan T., GRITZER, Rachel F., MOFFITT, Ken, GODCHAUX, Walter, and LEADBETTER, Edward R., Molecular and Cell Biology, Univ of Connecticut, 358 Mansfield Rd, U2131 Beach Hall, Storrs, CT 06040, Ryan.novak@uconn.edu
96-32:05 PM SULFUR ISOTOPES AS PALEOENVIRONMENTAL INDICATORS: EVOLUTIONARY IMPLICATIONS: ANBAR, Ariel D., Department of Earth and Environmental Sciences, Univ of Rochester, Rochester, NY 14627, anbar@earth.rochester.edu and KNOLL, Andrew H., Botanical Museum, Harvard Univ, 26 Oxford St, Cambridge, MA 02138
96-42:20 PM SULFUR ISOTOPE CONSTRAINTS ON THE SNOWBALL EARTH: KAUFMAN, Alan Jay, Department of Geology, Univ of Maryland, College Park, College Park, MD 20742, kaufman@geol.umd.edu, VARNI, Michael A., Dept. Geol, Univ. Maryland, College Park, MD 20742, and WING, Boswell, Dept. of Geology and ESSIC, Univ. Maryland, College Park, MD 20742
96-52:40 PM FACIES-DEPENDENT SULFUR ISOTOPIC FRACTIONATION IN A MID-PROTEROZOIC MARINE BASIN: SHEN, Yanan1, KNOLL, Andrew1, and WALTER, Malcolm2, (1) Botanical Museum, Harvard Univ, 26 Oxford Street, Cambridge, MA 02138, yshen@oeb.harvard.edu, (2) Department of Earth and Planetary Sciences, Macquarie Univ, NSW 2109, Australia
96-62:55 PM PROKARYOTE – EUKARYOTE ASSOCIATIONS IN SULFIDIC ENVIRONMENTS AND THEIR POSSIBLE EFFECTS ON S-CYCLING AND THE GEOLOGIC RECORD: BERNHARD, Joan M., Environmental Health Sciences, University of South Carolina, Columbia, SC 29208, joan.bernhard@sc.edu.
96-73:15 PM SULFUR CYCLING IN AN ANOXIC SURFICIAL SPRING: DEWERS, Thomas1, SENKO, John2, ELSHAHED, Mostafa S.2, CAMPBELL, Brian1, HENRICKSEN, James2, and LEE, Krumholz2, (1) School of Geology and Geophysics, Univ of Oklahoma, 100 East Boyd Street, Suite 810, Norman, OK 73019, tdewers@ou.edu, (2) Department of Botany and Microbiology and Institute for Energy and the Environment, University of Oklahoma, 770 Van Vleet Oval, Norman, OK 73019
96-83:30 PM METABOLIC ENERGY FROM SULFUR REDOX FOR HYPERTHERMOPHILES IN VULCANO HOT SPRINGS: AMEND, Jan P., Department of Earth & Planetary Sciences, Washington Univ, 1 Brookings Dr, CB 1169, Washington University, Saint Louis, MO 63130-4899, amend@levee.wustl.edu.
96-93:45 PM MULTIPLE ISOTOPE SULFUR FRACTIONATIONS PRODUCED DURING SULFATE REDUCTION: CONTEXT FOR INTERPRETATION AND ASTROBIOLOGICAL IMPLICATIONS: FARQUHAR, J.1, CANFIELD, D.2, HABICHT, K.2, AIRIEAU, S.3, and THIEMENS, M.H.3, (1) Geology and ESSIC, Univ of Maryland, College Park, MD 20742, jfarquha@essic.umd.edu, (2) Danish Center for Earth Systems Science and Institute of Biology, Odense Univ, Odense, Denmark, (3) Chemistry, UCSD, la Jolla, CA 92093
96-104:00 PM SULFUR CYCLING IN GAS HYDRATE SYSTEMS OF THE GULF OF MEXICO, PART II: SULFUR AND OXYGEN ISOTOPE RELATIONSHIPS: FORMOLO, Michael J., LYONS, Timothy W., ZHANG, Chuanlun, and TITKEMEIER, Kelly R., Department of Geological Sciences, Univ of Missouri-Columbia, 101 Geological Sciences Bldg, Columbia, MO 65211, formolom@hotmail.com
96-114:15 PM MATHEMATICAL MODELS OF ANCIENT AND MODERN MICROBIAL MATS: HERMAN, Ellen K., NASA Astrobiology Institute and Department of Geosciences, Penn State, 438 Deike Bldg, University Park, PA 16802, ekherman@geosc.psu.edu and KUMP, Lee R., NASA Astrobiology Institute and Department of Geosciences, Penn State, 535 Deike Bldg, University Park, PA 16802
96-124:30 PM SULFATE-SULFIDE ISOTOPIC FRACTIONATION REFLECTING VARIABLE METABOLIC STRATEGIES FOR SULFATE REDUCING BACTERIA IN THE DEEP GOLD MINES OF THE WITWATERSRAND BASIN, SOUTH AFRICA: BOICE, A. Erik and PRATT, Lisa M., Geological Sciences, Indiana Univ, 1001 East 10th Street, Bloomington, IN 47405, aboice@indiana.edu
96-134:45 PM SULFUR CYCLING AND NUTRIENT SPIRALING IN KARST: ENGEL, Annette Summers1, STERN, Libby A.1, PORTER, Megan L.2, and BENNETT, Philip C.3, (1) Geological Sciences, University of Texas at Austin, Austin, TX 78712, aengel@mail.utexas.edu, (2) Department of Zoology, Brigham Young Univ, Provo, UT 84602, (3) Geological Sciences, Univ of Texas at Austin, Austin, TX 78712
96-145:00 PM METAL SULFIDE OXIDATION - THE IMPORTANCE OF MICROORGANISMS AND SULFUR COMPOUNDS IN DIFFERENT ENVIRONMENTS: SCHIPPERS, Axel, Geomicrobiology group, Federal Institute for Geosciences and Nat Rscs, Stilleweg 2, Hannover 30655 Germany, A.Schippers@bgr.de.
96-155:20 PM BIOALTERATION OF SULFIDE MINERALS AT THE SEAFLOOR: EDWARDS, Katrina J and ROGERS, Daniel R, Marine Chemistry & Geochemistry, Woods Hole Oceanographic Institution, McLean Lab, MS #8, Woods Hole, MA 02543, kedwards@whoi.edu

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