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Session No. 66
Sunday, 27 October 2013: 1:00 PM-5:00 PM
Mile High Ballroom 4EF (Colorado Convention Center)

Special Session: A Life in Earth History from Tectonics to Climate II: The Scientific Legacy of Paul F. Hoffman

GSA Geobiology & Geomicrobiology Division; Geochemical Society; GSA History and Philosophy of Geology Division; Paleoceanography/Paleoclimatology; Precambrian [At Large]; GSA Sedimentary Geology Division; SEPM (Society for Sedimentary Geology); GSA Structural Geology and Tectonics Division

 

Robert S. Hildebrand, Francis A. Macdonald, Samuel A. Bowring and Galen P. Halverson, Chairs
Paper #
Start Time
 
1:00 PM
Introductory Remarks
1
1:15 PM
SNOWBALLS, AIR-SEA GAS EXCHANGE, AND THE RISE OF ATMOSPHERIC OXYGEN
SCHRAG, Daniel P., Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, schrag@eps.harvard.edu
2
1:45 PM
MICROSCOPIC TEXTURES, MACROSCOPIC SHAPES AND DEPOSITION RATES OF PELOIDAL FACIES IN THE BASAL EDIACARAN CAP DOLOSTONE
BOSAK, Tanja, Dept. of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, MARIOTTI, Giulio, Earth, Atmospheric and Planetary Sciences, MIT, Cambridge, MA 02139, MACDONALD, Francis A., Department of Earth and Planetary Sciences, Harvard University, 20 Oxford St, Cambridge, MA 02138, PERRON, J. Taylor, Department of Earth, Atmospheric and Planetary Sciences, Massachusets Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139 and PRUSS, Sara B., Department of Geosciences, Smith College, Northampton, MA 01063, tbosak@MIT.EDU
3
2:05 PM
EVIDENCE FOR A POST-STURTIAN EUKARYOTIC BIOSPHERE FROM CAP CARBONATES OF NORTHERN NAMIBIA AND ZAMBIA
PRUSS, Sara B.1, BOSAK, Tanja2, MACDONALD, Francis A.3, SAWDY, Maggie1, MOORE, Kelsey1 and LAHR, Daniel J.G.4, (1)Department of Geosciences, Smith College, Northampton, MA 01063, (2)Dept. of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, (3)Department of Earth and Planetary Sciences, Harvard University, 20 Oxford St, Cambridge, MA 02138, (4)Department of Zoology, University of Sao Paulo, Sao Paulo, 05508, Brazil, spruss@smith.edu
4
2:25 PM
PROGRESS AND CHALLENGES IN ASSESSING PROTEROZOIC EUKARYOTIC DIVERSITY
COHEN, Phoebe, Geosciences, Williams College, 947 Main Street, Williamstown, MA 01267, Phoebe.A.Cohen@williams.edu
5
2:40 PM
­­­­MICROBIAL SHAPING OF WRINKLE STRUCTURES IN SILICICLASTIC DEPOSITS
MARIOTTI, Giulio1, PERRON, J. Taylor2, PRUSS, Sara B.3, O'GRADY, M.2 and BOSAK, Tanja4, (1)Earth, Atmospheric and Planetary Sciences, MIT, Cambridge, MA 02139, (2)Department of Earth, Atmospheric and Planetary Sciences, Massachusets Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139, (3)Department of Geosciences, Smith College, Northampton, MA 01063, (4)Dept. of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, giuliom@mit.edu
 
2:55 PM
Break
6
3:10 PM
RECENT ANALOGS FOR SNOWBALL EARTH SEDIMENTS AND STRATIGRAPHY DISCOVERED BENEATH ANTARCTIC ICE SHELVES: CHANGING PARADIGMS AND CHALLENGING NAYSAYERS
DOMACK, Eugene W., Department of Geosciences, Hamilton College, 198 College Hill Rd, Clinton, NY 13323, edomack@hamilton.edu
7
3:25 PM
THE EFFECT OF SEAWATER REDOX STRATIFICATION ON EARLY METAZOANS FROM THE TERMINAL EDIACARAN KHATYSPYT FORMATION OF ARCTIC SIBERIA
KAUFMAN, Alan J.1, CUI, Huan2, PEEK, Sara2, ROGOV, Vladimir3, GRAZHDANKIN, Dmitriy3 and XIAO, Shuhai4, (1)Geology Department, University of Maryland, College Park, MD 20742, (2)Department of Geology, University of Maryland, College Park, MD 20742, (3)Russian Academy of Science, Novosibirsk Branch, Trofimuk Institute of Petroleum Geology and Geophysics, Novosibirsk, 630090, Russia, (4)Department of Geosciences, Virginia Polytechnic Institute and State University, 4044 Derring Hall, Blacksburg, VA 24061, kaufman@geol.umd.edu
8
3:40 PM
CAMBRIAN TRANSGRESSION AND 'EXPLOSION' OF METAZOAN LIFE LINKED TO OPENING OF IAPETUS-PACIFIC OCEANIC CONNECTION
DALZIEL, Ian W.D., Institute for Geophysics, Jackson School of Geosciences, University of Texas at Austin, 10100 Burnet Road (R2200), Austin, TX 78758-4445, ian@ig.utexas.edu
9
3:55 PM
CARBON AND STRONTIUM ISOTOPE STRATIGRAPHY OF THE EARLIEST CAMBRIAN IN CHENGJIANG, SOUTH CHINA: A UNIQUE CONDITION FOR THE SMALL SHELLY ANIMAL DIVERSIFICATION
SATO, Tomohiko, Tokyo Inst. Tech, 2-12-1 Ookayama, Meguro, Tokyo, 152-8551, Japan, ISOZAKI, Yukio, Univ Tokyo, 3-8-1 Komaba, Meguro, Tokyo, 153-8902, Japan, TAHATA, Miyuki, Dept. Earth & Planet. Sci, Tokyo Inst. Tech, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8551, Japan, YOSHIDA, Naohiro, Dept. Environment. Sci. & Tech, Tokyo Inst. Tech, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8502, Japan, KANI, Tomomi, Graduate School of Science and Technology, Kumamoto Univ, 2-39-1 Kurokami, Kumamoto, 860-8555, Japan and SHU, Degan, Early Life Inst, Northwest Univ, 229 Taibai Road, Xi'an, 710069, China, sato.t.bq@m.titech.ac.jp
10
4:10 PM
BIRTH PLACE OF LIFE ON THE HADEAN EARTH: THE ROLE OF PRIMORDIAL CONTINENT
MARUYAMA, Shigenori1, AONO, Masashi1, EBISUZAKI, Toshikazu2 and DOHM, James M.3, (1)Earth-Life Science Institute, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro, Tokyo, 152-8551, Japan, (2)Riken, 2-1, Hirosawa, Wako, Saitama, 351-0198, Japan, (3)University Museum, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan, smaruyam@geo.titech.ac.jp
11
4:25 PM
DETECTION OF COSMOGENIC MATERIAL IN DEEP-SEA SEDIMENTS BASED ON PLATINUM GROUP ELEMENT (PGE) ABUNDANCES
ASANUMA, Hisashi, Earth and Planetary Sciences, Tokyo Institute of Technology, I2-9, 2-12-1 Ookayama Meguro-ku, Tokyo, Tokyo, 152-8551, Japan, SAWAKI, Yusuke, Dept. Earth & Planet Sci, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8551, Japan, YOKOYAMA, Tetsuya, Department of Earth and Planetary Sciences, 2-12-1 Ookayama, Meguro, Tokyo, 152-8551, Japan and MARUYAMA, Shigenori, Earth-Life Science Institute, Tokyo Institute of Techology, 2-12-1 Ookayama, Meguro, Tokyo, 152-8551, Japan, asanuma.h.aa@m.titech.ac.jp
12
4:40 PM
TEMPERATURE-DEPENDENT THERMAL TRANSPORT PROPERTIES OF PRECAMBRIAN ROCKS AND THEIR ROLE IN THE THERMAL EVOLUTION OF ARCHEAN CRATONS
MERRIMAN, Jesse, Geological Sciences, University of Missouri, 101 Geology Building, Columbia, MO 65211, WHITTINGTON, Alan, Department of Geological Sciences, University of Missouri, Columbia, MO 65211, HOFMEISTER, Anne, Department of Earth and Planetary Sciences, Washington University, Campus Box 1169, St. Louis, MO 63130, NABELEK, Peter I., Geological Sciences, University of Missouri, 101 Geological Sciences Bldg, Columbia, MO 65211 and BENN, Keith, Kinross Gold Corporation, ZRA 741, Nouakchott, BP 5051, Mauritania, jdm42c@mail.missouri.edu
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