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| 205-1 | 8:00 AM | DO ARCHEAN CHEMICAL SEDIMENTS RECORD ANCIENT SEAWATER RARE EARTH ELEMENT PATTERNS?: JOHANNESSON, Karen H., Department of Earth and Environmental Sciences, The Univ of Texas at Arlington, 500 Yates Street, Box 19049, Arlington, TX 76019-0049, kjohanne@uta.edu and CORTES, Alejandra, Instituto de Geofisica, Universidad Nacional Autonoma de Mexico, Mexico D. F, 04510 |
| 205-2 | 8:15 AM | TEMPORAL TRENDS IN TRACE METAL ENRICHMENT IN PRECAMBRIAN BLACK SHALES AND OXIDATION OF SURFACE ENVIRONMENTS: SCOTT, Clint1, LYONS, Timothy W.1, and ANBAR, Ariel2, (1) Department of Geosciences, Univ of Missouri-Columbia, 101 Geological Sciences Building, Columbia, MO 65211, ctshcd@mizzou.edu, (2) Department of Geological Sciences, Arizona State Univ, Tempe, AZ 85287 |
| 205-3 | 8:30 AM | OXYGEN ISOTOPIC COMPOSITION OF THE PALEOZOIC AND PRECAMBRIAN OCEAN WATER: MUEHLENBACHS, Karlis, Earth and Atmospheric Sciences, Univ of Alberta, Edmonton, AB T6G 2E3, Canada, kmuehlen@gpu.srv.ualberta.ca, BANERJEE, Neil R., Department of Earth and Atmospheric Sciences, Univ of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada, and FURNES, Harald, Department of Earth Science, Univ of Bergen, Allegt. 41, 5007, Bergen, Norway |
| 205-4 | 8:45 AM | POSSIBLE BIOLOGICAL IMPLICATIONS OF MID-PROTEROZOIC OCEAN ANOXIA: ANBAR, Ariel D., Dept. of Geological Sciences and Dept. of Chemistry & Biochemistry, Arizona State Univ, Tempe, AZ 85287, anbar@asu.edu. |
| 205-5 | 9:00 AM | EFFECT OF MARINE CARBON RESERVOIR SIZE ON THE DURATION OF CARBON ISOTOPE EXCURSIONS: INTERPRETING THE MESOPROTEROZOIC CARBON ISOTOPE RECORD: KAH, L.C., Dept Earth & Planetary Sciences, Univ of Tennessee, Knoxville, TN 37996, lckah@utk.edu and BARTLEY, J.K., Dept Geosciences, State Univ of West Georgia, Carrollton, GA 30118 |
| 205-6 | 9:15 AM | HIGH SPATIAL HETEROGENEITY OF A CAP-CARBONATE’S STABLE ISOTOPE SIGNATURES: A STAGNANT LATE NEOPROTERZOIC OCEAN BASIN: BAO, Huiming, Department of Geology and Geophysics, Louisiana State Univ, Baton Rouge, LA 70803, bao@lsu.edu, SIEW, Chee Haur, Department of Geology & Geophysics, Louisiana State Univ, Baton Rouge, LA 70803, XIAO, Shuhai, Department of Geosciences, Virginia Polytechnic Institute and State Univ, Blacksburg, VA 24061, and YUAN, Xunlai, Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing, 210008, China |
| 205-7 | 9:30 AM | BIOMARKER GEOCHEMISTRY OF A POST-GLACIAL NEOPROTEROZOIC SUCCESSION IN BRAZIL: BRODY, Kristina Bartlett1, KAUFMAN, Alan J.1, EIGENBRODE, Jennifer L.2, and CODY, George D.3, (1) Geology, Univ of Maryland, College Park, MD 20742, kbbrody@geol.umd.edu, (2) Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Road N.W, Washington, DC 20015, (3) Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Rd, NW, Washington, DC 20015 |
| 205-8 | 9:45 AM | FACIES-DEPENDENT ISOTOPIC VARIATION IN THE RASTHOF FORMATION, CONGO CRATON: MROFKA, David D. and KENNEDY, Martin J., Department of Earth Sciences, Univ of California Riverside, Riverside, CA 92521-0423, david.mrofka@email.ucr.edu |
| 205-9 | 10:00 AM | PLATFORM TO BASIN d13C VARIATIONS OF THE DOUSHANTUO FORMATION OF SOUTH CHINA: ISOTOPIC GRADIENT OR DIAGENESIS?: JIANG, Ganqing1, KENNEDY, Martin J.2, CHRISTIE-BLICK, Nicholas3, MROFKA, David4, WU, Huaichun5, and ZHANG, Shihong5, (1) Department of Geoscience, Univ of Nevada, Las Vegas, NV 89154, ganqingj@yahoo.com, (2) Department of Earth Sciences, Univ of California, Riverside, 900 University Avenue, Riverside, CA 92521, (3) Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY 10968, (4) Department of Earth Sciences, Univ of California, Riverside, CA 92521, (5) School of Earth Sciences and Resources, China Univ of Geosciences, Beijing, 100083 |
| | 10:15 AM | Break |
| 205-10 | 10:30 AM | NEOPROTEROZOIC S ISOTOPES, THE EVOLUTION OF MICROBIAL S SPECIES AND THE BURIAL EFFICIENCY OF SULFIDE AS SEDIMENTARY PYRITE: HURTGEN, Matthew T., Department of Earth and Planetary Sciences, Harvard Univ, 20 Oxford Street, Cambridge, MA 02138, mhurtgen@fas.harvard.edu, ARTHUR, Michael A., Penn State Astrobiology Research Center and Department of Geosciences, Pennsylvania State Univ, University Park, PA 16802, and HALVERSON, Galen P., Harvard Univ, 20 Oxford St, Cambridge, MA 02138-2902 |
| 205-11 | 10:45 AM | PARALLEL HIGH-RESOLUTION CARBON AND SULFUR ISOTOPE RECORDS IN THE PALEOZOIC AND IMPLICATIONS FOR BIOSPHERIC OXYGENATION: GILL, Benjamin C., Geological Sciences, Univ of Missouri-Columbia, Columbia, MO 65111, bgill@mizzou.edu, LYONS, Timothy W., Department of Geological Sciences, Univ. of Missouri, Columbia, MO 65211, and SALTZMAN, Matthew R., Department of Geological Sciences, The Ohio State Univ, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210 |
| 205-12 | 11:00 AM | PHOSPHORUS, NITROGEN AND THE REDOX EVOLUTION OF THE PALEOZOIC OCEANS: SALTZMAN, Matthew R., Geological Sciences, Ohio State Univ, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210, saltzman.11@osu.edu. |
| 205-13 | 11:15 AM | CAN MARINE ANOXIC EVENTS DRAW DOWN THE TRACE-ELEMENT INVENTORY OF SEAWATER?: ALGEO, Thomas J., Univ of Cincinnati, Cincinnati, OH 45221-0013, thomas.algeo@uc.edu. |
| 205-14 | 11:30 AM | BORON ISOTOPE GEOCHEMISTRY OF PALAEOZOIC BRACHIOPOD CALCITE: IMPLICATIONS FOR A SECULAR CHANGE IN THE BORON ISOTOPE GEOCHEMISTRY OF SEA WATER OVER THE PHANEROZOIC: JOACHIMSKI, Michael M.1, SIMON, Laurent1, VAN GELDERN, Robert1, and LÉCUYER, Christophe2, (1) Institute of Geology and Mineralogy, Univ of Erlangen-Nürnberg, Schlossgarten 5, Erlangen, 91054, joachimski@geol.uni-erlangen.de, (2) Laboratoire CNRS UMR 5125, Université Claude Bernard Lyon1, Campus de la Doua, Villeurbanne, 69622, France |
| 205-15 | 11:45 AM | POSSIBLE RANGE OF OCEAN SALINITIES IN THE PHANEROZOIC: HAY, William W., 2045 Windcliff Dr, Estes Park, CO 80517, whay@gmx.de, FLOEGEL, Sascha, Paleooceanlogy, Leibnitz Institute for Ocean Sciences, Wischhofstrasse 1-3, Kiel, D-24148, Germany, and WOLD, Christopher N., Platte River Associates, Inc, 2790 Valmont Road, Boulder, CO 80304 |
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