2014 GSA Annual Meeting in Vancouver, British Columbia (19–22 October 2014)
Session No. 256 Tuesday, 21 October 2014
1:00 PM-5:00 PM, Vancouver Convention Centre-West: 220

T202. The Tonian-Cryogenian World (Paleontological Society; Geochemical Society; GSA Geobiology & Geomicrobiology Division)

Leigh Anne Riedman, Erik A. Sperling, Phoebe Cohen and Susannah M. Porter, Presiding
 Paper #Start Time
256-11:00 PM THE TECTONIC CONTEXT OF TONIAN TO CRYOGENIAN ENVIRONMENTAL AND EVOLUTIONARY CHANGE: INSIGHTS FROM RE-OS GEOCHRONOLOGY AND WEATHERING PROXIES: ROONEY, Alan D.1, STRAUSS, Justin V.1, BRANDON, Alan2, KARLSTROM, Karl E.3, and MACDONALD, Francis A.4, (1) Department of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, alanrooney@fas.harvard.edu, (2) Department of Earth and Atmospheric Sciences, University of Houston, 312 Science and Research Building 1, Houston, TX 77004, (3) Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, (4) Department of Earth and Planetary Sciences, Harvard University, 20 Oxford St, Cambridge, MA 02138
256-21:15 PM CHUMP (CHUAR-UINTA MOUNTAIN-PAHRUMP) STRATA OF THE WESTERN U.S. RECORD CRETACEOUS – LIKE OCEAN ANOXIC EVENTS (OAES) BEFORE SNOWBALL EARTH: DEHLER, Carol M.1, GEHRELS, George2, PORTER, Susannah M.3, COX, Grant4, HEIZLER, Matthew T.5, KARLSTROM, Karl E.6, CROSSEY, Laura J.6, and TIMMONS, J. Michael7, (1) Department of Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, carol.dehler@usu.edu, (2) Dept. of Geosciences, University of Arizona, 1040 E. 4th Street, Tucson, AZ 85721, (3) Earth Science, University of California at Santa Barbara, Santa Barbara, CA 93106, (4) Earth and Planetary Sciences, McGill University, 3450 University St, Montreal, QC H3A 0E8, Canada, (5) New Mexico Bureau of Geology, NM Tech, Socorro, NM 87801, (6) Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, (7) New Mexico Bureau of Geology and Mineral Resources, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801
256-31:30 PM GEOCHRONOLOGY REVEALS MULTI-MILLION YEAR DURATION OF THE END-CRYOGENIAN (MARINOAN) GLACIATION, NAMIBIA: HOFFMANN, Karl Heinz1, CONDON, Daniel2, PRAVE, A.R.3, and TAPSTER, Simon2, (1) Geological Survey of Namibia, Windhoek, Namibia, (2) NERC Isotope Geoscience Laboratory, British Geological Survey, Keyworth, Nottingham, NG12 5GG, United Kingdom, (3) Earth and Environmental Sciences, University of St Andrews, Sy Andrews, KY16 9AL, United Kingdom, ap13@st-andrews.ac.uk
256-41:45 PM SEA-LEVEL CHANGE FOLLOWING THE MARINOAN SNOWBALL EARTH DEGLACIATION: CREVELING, Jessica R., Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125, jcrevel@gps.caltech.edu and MITROVICA, Jerry X., Department of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138
256-52:00 PM STRENGTHENING NEOPROTEROZOIC CHEMOSTRATIGRAPHIC CORRELATIONS WITH CARBON AND STRONTIUM ISOTOPES OF THE TAMBIEN GROUP, NORTHERN ETHIOPIA: TREMBLAY, Marissa M.1, SWANSON-HYSELL, Nicholas L.1, MALOOF, Adam C.2, CONDON, Daniel3, BEROFF, Sara E.1, TESEMA, Tadele4, HAILEAB, Bereket5, ALENE, Mulugeta4, and JENKIN, Gawen6, (1) Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720, mtremblay@berkeley.edu, (2) Department of Geosciences, Princeton University, Princeton, NJ 08544, (3) NERC Isotope Geoscience Laboratory, British Geological Survey, Keyworth, Nottingham, NG12 5GG, United Kingdom, (4) School of Earth Sciences, Addis Ababa University, P.O.B. 1176, Addis Ababa, 1000, Ethiopia, (5) Geology, Carleton College, One North College Street, Northfield, MN 55057, (6) Department of Geology, University of Leicester, University Road, Leicester, LE1 7RH, United Kingdom
 2:15 PM Break
256-62:30 PM A CONTINENTAL FLOOD BASALT DRIVER FOR NEOPROTEROZOIC CLIMATE AND OXYGENATION: HALVERSON, Galen P.1, COX, Grant2, HURTGEN, Matthew T.3, SANSJOFRE, Pierre4, KUNZMANN, Marcus1, STRAUSS, Justin V.5, and MACDONALD, Francis A.6, (1) Earth and Planetary Sciences, McGill University, 3450 University St, Montreal, QC H3A0E8, Canada, galen.halverson@mcgill.ca, (2) Earth and Planetary Sciences, McGill University, 3450 University St, Montreal, QC H3A 0E8, Canada, (3) Earth and Planetary Sciences, Northwestern University, 2145 Sheridan Rd, Evanston, IL 60208, (4) Laboratoire Domaines Océaniques, Université de Bretagne Occidentale, Place Copernic, Plouzane, 29280, France, (5) Department of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, (6) Department of Earth and Planetary Sciences, Harvard University, 20 Oxford St, Cambridge, MA 02138
256-72:45 PM DID MANTLE-DERIVED PHOSPHORUS FERTILIZE THE CRYOGENIAN OCEAN?: HORTON, Forrest, Department of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93016, forrest.horton@gmail.com
256-83:00 PM OCEAN REDOX CONTROL ON NUTRIENT CYCLING IN THE EARLY NEOPROTEROZOIC: POULTON, Simon W.1, GUILBAUD, Romain1, ZHU, Maoyan2, and SHIELDS-ZHOU, Graham A.3, (1) School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom, s.poulton@leeds.ac.uk, (2) LPS, Nanjing Institute of Geology and Palaeontology, 39 East Beijing Road, Nanjing, 210008, China, (3) Department of Earth Sciences, University College London, Gower Street, London, WC1E 6BT
256-93:15 PM SULFIDE STRESS ON ANIMALS IN NEOPROTEROZOIC OCEANS: SPERLING, Erik A., Dept. of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, sperling@fas.harvard.edu, JOHNSTON, David T., Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, KNOLL, Andrew H., Organismic and Evolutionary Biology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, and GIRGUIS, Peter R., Dept of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138
 3:30 PM Break
256-103:45 PM CONTROLS ON EUKARYOTIC FOSSIL DIVERSITY IN THE TONIAN AND CRYOGENIAN PERIODS: COHEN, Phoebe, Geosciences, Williams College, 947 Main Street, Williamstown, MA 01267, Phoebe.A.Cohen@williams.edu and MACDONALD, Francis A., Department of Earth and Planetary Sciences, Harvard University, 20 Oxford St, Cambridge, MA 02138
256-114:00 PM BIOSTRATIGRAPHY OF ORGANIC-WALLED MICROFOSSILS FROM THE TONIAN LIULAOBEI FORMATION IN THE HUAINAN REGION OF NORTH CHINA: TANG, Qing, Geosciences, Virginia Polytechnic Institute and State University, 4044 Derrying Hall (3052), Blacksburg, VA 24061, qingt@vt.edu
256-124:15 PM CARBON ISOTOPIC COMPOSITION OF ORGANIC FOSSILS ACROSS ISOTOPIC EXTREMES IN CRYOGENIAN CARBONATES: MATYS, Emily D.1, FREEMAN, Katherine H.2, MACDONALD, Francis A.3, BIRD, Laurence2, MORAN, James J.4, and BOSAK, Tanja5, (1) Department of Earth, Atmospheric, and Planetary Sciences, MIT, Cambridge, MA 01239, ematys@mit.edu, (2) Department of Geosciences, Pennsylvania State University, 235 Deike Building, University Park, PA 16802, (3) Department of Earth and Planetary Sciences, Harvard University, 20 Oxford St, Cambridge, MA 02138, (4) Pacific Northwest National Laboratory, Richland, WA 99354, (5) Department of Earth, Atmospheric, and Planetary Sciences, MIT, Cambridge, MA 02139
256-134:30 PM COULD PHOTOSYNTHETIC EUKARYOTES HAVE SURVIVED IN NEARLY ENCLOSED SEAS DURING THE SNOWBALL EARTH EVENTS?: CAMPBELL, Adam J.1, WADDINGTON, Edwin D.1, and WARREN, Stephen G.2, (1) Earth and Space Sciences, University of Washington, Dept of Earth and Space Science Box 3513, Seattle, WA 98195, campbead@uw.edu, (2) Astrobiology Program, University of Washington, Box 351640, Seattle, WA 98195

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