2003 Seattle Annual Meeting (November 25, 2003)
Session No. 205 Wednesday, November 5, 2003
8:00 AM-12:00 PM, Washington State Convention and Trade Center: Ballroom 6B

P4. Neoproterozoic Geobiology: Fossils, Clocks, Isotopes, and Rocks

Shuhai Xiao and Alan J. Kaufman, Presiding
 Paper #Start Time
205-18:00 AM ASTROBIOLOGY OF THE NEOPROTEROZOIC: RUNNEGAR, Bruce N., NASA Astrobiology Institute, Ames Rsch Ctr, Moffett Field, CA 91035, runnegar@ucla.edu.
205-28:15 AM GEOCHRONOLOGICAL CONSTRAINTS ON NEOPROTEROZOIC GLACIATIONS AND THE RISE OF METAZOANS: BOWRING, Samuel A.1, MYROW, Paul M.2, LANDING, Ed3, RAMEZANI, Jahandar1, CONDON, Dan1, and HOFFMANN, K.H.4, (1) Earth Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, sbowring@mit.edu, (2) Geology Department, Colorado College, 14 E Cache La Poudre St, Colorado Springs, CO 80903-3243, (3) New York State Museum, State Education Department, Albany, NY 12230, (4) Geological Survey of Namibia, Windhoek
205-38:30 AM LIFE AFTER SNOWBALL: THE MISTAKEN POINT BIOTA AND THE ORIGIN OF ANIMAL ECOSYSTEMS: NARBONNE, Guy M., Geological Sciences, Queen's Univ, Kingston, ON K7L 3N6, Canada, narbonne@geol.queensu.ca, GEHLING, James G., South Australian Museum, Div of Nat Sciences, North Terrace, Adelaide, 5000, Australia, and CLAPHAM, Matthew E., Department of Earth Sciences, Univ of Southern California, Los Angeles, CA 90089-0740
205-59:00 AM NEOPROTEROZOIC GLACIATIONS AND EVOLUTION: NEW DATA FROM SOUTH CHINA: XIAO, Shuhai1, ZHOU, Chuanming2, TUCKER, Robert D.3, PENG, Zhanxiong3, and YUAN, Xunlai2, (1) Department of Geoological Sciences, Virginia Poltechnic Institute and State Univ, Blacksburg, VA 24061, xiao@vt.edu, (2) Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing, 210008, China, (3) Department of Earth and Planetary Sciences, Washington Univ, St Louis, MO 63130
205-69:15 AM ALGAE AND THE LATE NEOPROTEROZOIC EVOLUTION OF MACROSCOPIC MULTICELLULARITY: KNOLL, A.H., Organismic and Evolutionary Biology, Harvard Univ, Cambridge, MA 02138, aknoll@oeb.harvard.edu and XIAO, Shuhai, Department of Geoological Sciences, Virginia Poltechnic Institute and State Univ, Blacksburg, VA 24061
205-79:30 AM THE ROLES OF DEVELOPMENT, ECOLOGY AND ENVIRONMENT IN EVOLUTIONARY INNOVATION: THE CAMBRIAN RADIATION: ERWIN, Douglas H., Department of Paleobiology, MRC-121, Smithsonian Institution, Washington, DC 20560, erwin.doug@nmnh.si.edu.
205-89:45 AM THE PHYLOGENETIC INTERRELATIONSHIPS AND TEMPORAL ORIGINATIONS OF METAZOAN PHYLA: INSIGHTS INTO THE ECOLOGY OF THE CAMBRIAN RADIATION: PETERSON, Kevin J. and MCPEEK, Mark A., Department of Biological Sciences, Dartmouth College, North College St, Hanover, NH 03755, kevin.peterson@dartmouth.edu
205-910:00 AM GENOMIC CLOCKS AND THE NEOPROTEROZOIC ORIGIN OF ANIMALS: HEDGES, S. Blair, BLAIR, Jaime E., and PISANI, Davide, Department of Biology and Astrobiology Research Center, Pennsylvania State Univ, 208 Mueller Lab, University Park, PA 16802, sbh1@psu.edu
205-1010:15 AM TRUE POLAR WANDER, METHANE, AND MOLECULAR CLOCK COMPRESSION OF THE CAMBRIAN EXPLOSION: KIRSCHVINK, Joseph L.1, RAUB, Timothy D.2, EVANS, David A.D.2, and PEHL, Curtis W.3, (1) Geological and Planetary Sciences, Caltech, 170-25, Pasadena, CA 91125, kirschvink@caltech.edu, (2) Department of Geology and Geophyics, Yale Univ, P.O. Box 208109, New Haven, CT, 06520-8109, (3) Dept. of Integrative Biology & Museum of Paleontology, Univ of California at Berkeley, 4101 Valley Life Sciences Bldg, Berkeley, CA
205-1110:30 AM TOWARDS A COMPOSITE D13C CURVE FOR THE NEOPROTEROZOIC: HALVERSON, Galen P., Dept. Earth and Planetary Sciences, Harvard Univ, 20 Oxford St, Cambridge, MA 02138-2902, halvers@fas.harvard.edu, HOFFMAN, Paul F., Earth & Planetary Sciences, Harvard Univ, 20 Oxford St, Cambridge, MA 02138, and MALOOF, Adam C., Harvard Univ, 20 Oxford St, Cambridge, MA 02138-2902
205-1210:45 AM BIOMARKERS OF NEOPROTEROZOIC BIOTA: SUMMONS, Roger E., Earth Atmospheric and Planetary Science, Massachusetts Insitiute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139, rsummons@mit.edu.
205-1311:00 AM NEOPROTEROZOIC BIOGEOCHEMISTRY AND THE TERMINAL PROTEROZOIC REORGANIZATION: HAYES, John M., Geology and Geophysics, Woods Hole Oceanographic Institution, 266 Woods Hole Road, Mail Stop #8, Woods Hole, MA 02543, jhayes@whoi.edu.
205-1411:15 AM DYNAMICS OF THE NEOPROTEROZOIC CARBON CYCLE: ROTHMAN, Daniel H., Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Mass. Ave, Rm 54-626, Cambridge, MA 02139, dan@segovia.mit.edu.
205-1511:30 AM THE EVOLUTION OF THE EARTH SURFACE SULFUR RESERVOIR: CANFIELD, Donald E., Danish Center for Earth System Science, Univ of Southern Denmark, Campusvej 55, Odense M 5230 Denmark, dec@biology.sdu.dk.
205-1611:45 AM STRATIGRAPHIC CONSTRAINTS ON THE CHARACTER AND FREQUENCY OF EXTREME CLIMATE CHANGE DURING THE NEOPROTEROZOIC: CHRISTIE-BLICK, Nicholas1, JIANG, Ganqing2, SOHL, Linda E.1, and KENNEDY, Martin J.2, (1) Lamont-Doherty Earth Observatory, Columbia Univ, Palisades, NY 10964, ncb@ldeo.columbia.edu, (2) Department of Earth Sciences, Univ of California, Riverside, CA 92521

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