2014 GSA Annual Meeting in Vancouver, British Columbia (19–22 October 2014)

Session No. 255
Tuesday, 21 October 2014: 1:00 PM-5:00 PM
215/216 (Vancouver Convention Centre-West)

T198. The Ordovician Revolution: Co-Evolution of Climate and the Biosphere

GSA Sedimentary Geology Division; Society for Sedimentary Geology (SEPM); Paleontological Society; Geochemical Society

 

Thomas J. Algeo, Pedro J. Marenco and Matthew R. Saltzman, Advocates
Paper #
Start Time
1:00 PM
AN EARLY ORDOVICIAN MASS EXTINCTION AND THE PERSISTENCE OF ANOXIA
SALTZMAN, Matthew R., School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210, EDWARDS, Cole T., Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210, ADRAIN, Jonathan M., Department of Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242 and WESTROP, Stephen R., Oklahoma Museum of Natural History and School of Geology & Geophysics, Univ of Oklahoma, Norman, OK 73072
1:15 PM
BULK CARBONATE ╬┤13C RECORD FROM TIDWELL HOLLOW, ALABAMA: A SEARCH FOR THE GICE IN THE SOUTHEAST US
QUINTON, Page C., Department of Geological Sciences, The University of Missouri-Columbia, University of Missouri, 101 Geology Building, Columbia, MO 65211, HERRMANN, Achim D., Geology & Geophysics, Louisiana State University, Baton Rouge, LA 70803, LESLIE, S.a., Geology and Environmental Sciences, James Madison University, MSC 6903, Harrisonburg, VA 22807 and MACLEOD, Kenneth G., Department of Geological Sciences, University of Missouri-Columbia, Columbia, MO 65211
1:30 PM
LATE ORDOVICIAN AND EARLY SILURIAN GLACIOEUSTATIC SEA LEVEL CHANGES AND CARBON ISOTOPE CHEMOSTRATIGRAPHY
JONES, David S.1, CREEL, Roger C.1, RIOS, Bernardo Andres1 and SANTIAGO RAMOS, Danielle2, (1)Geology Department, Amherst College, 11 Barrett Hill Road, Amherst, MA 01002, (2)Geosciences Department, Princeton University, Guyot Hall, Princeton, NJ 08544
1:45 PM
BEHAVIOR OF MARINE SULFUR IN THE ORDOVICIAN
KAH, L.C.1, THOMPSON, Cara K.2 and HENDERSON, Miles1, (1)Department of Earth & Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 37996, (2)Earth Science Department, Santa Monica College, Santa Monica, CA 90405
2:05 PM
A NEGATIVE SULFUR ISOTOPIC EXCURSION DURING THE HEIGHT OF THE GREAT ORDOVICIAN BIODIVERSIFICATION EVENT: A BRIEF INTERRUPTION IN LONG-TERM DEEP-OCEAN ANOXIA?
MARENCO, Pedro J. and MARENCO, Katherine N., Department of Geology, Bryn Mawr College, 101 N. Merion Avenue, Bryn Mawr, PA 19010
2:20 PM
SULFUR ISOTOPE EVIDENCE FOR LATE ORDOVICIAN OCEAN OXYGENATION: IMPLICATIONS FOR THE DRIVERS OF THE HIRNANTIAN EXTINCTION
GILL, Benjamin C., Department of Geosciences, Virginia Polytechnic Institute & State University, Blacksburg, VA 24061, LYONS, Timothy W., Department of Earth Sciences, University of California, Riverside, CA 92521, YOUNG, Seth A., Department of Geological Sciences, Indiana University, Bloomington, IN 47405, KALJO, Dimitri, Institute of Geology, Tallinn University of Technology, 5 Ehitajate tee, Tallinn, 19086, Estonia and SALTZMAN, Matthew R., School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210
255-7
2:40 PM
Withdrawn
 
2:55 PM
Break
3:10 PM
THE ONSET OF GLACIATION ~8 MYRS PRIOR TO THE HIRNANTIAN
METZGER, J. Garrecht, Earth and Planetary Sciences, Washington University IN St. Louis, Dept. of Earth and Planetary Sciences, Washington University in St. Louis, One Brookings Drive, Campus Box 1169, St. Louis, MO 63130, FIKE, David, Earth and Planetary Sciences, Washington University in St. Louis, One Brookings Drive, Campus Box 1169, St Louis, MO 63130 and VON STRANDMANN, Phillip Pogge, Department of Earth Sciences, University College London, Gower Street, WC1E 6BT, London, WC1E 6BT, England
3:25 PM
ORDOVICIAN TURNING POINT IN THE PHANEROZOIC SILICA CYCLE
KIDDER, David L., Geological Sciences, Ohio Univ, Athens, OH 45701-2979 and TOMESCU, Iulia, Marathon Oil Company, Houston, TX 77056
3:40 PM
LINKING LATE ORDOVICIAN MARINE EXTINCTIONS TO CLIMATIC AND OCEANOGRAPHIC EVENTS: FROM PATTERN TO PROCESS
FINNEGAN, Seth, Department of Integrative Biology & Museum of Paleontology, University of California, Berkeley, 1005 Valley Life Sciences Building #3140, Berkeley, CA 94720, RASMUSSEN, Christian Mac ├śrum, Natural History Museum of Denmark, Copenhagen, DK-1350, Denmark and HARPER, David A.T., Department of Earth Sciences, Durham University, Durham, DH1 3LE, United Kingdom
4:00 PM
DISTINGUISHING SAMPLING AND ECOLOGIC EFFECTS ON GEOGRAPHIC RANGE AND DURATION IN GRAPTOLITES
BOYLE, James T.1, GOLDMAN, Daniel2, WU, Shuang-Ye2, MELCHIN, Michael3, SHEETS, H. David4 and MITCHELL, Charles E.5, (1)Evolution, Ecology and Behavior, University at Buffalo, SUNY, 126 Cooke Hall, North Campus, Buffalo, NY 14260, (2)Department of Geology, University of Dayton, 300 College Park, Dayton, OH 45469, (3)Dept. of Earth Sciences, St. Francis Xavier Univ, Antigonish, NS B2G 2W5, Canada, (4)Dept. of Geology, SUNY at Buffalo, 411 Cooke Hall, Buffalo, NY 14260, (5)Geology, University at Buffalo, SUNY, Buffalo, NY 14260
4:15 PM
POSSIBLE TECTONIC AND STRUCTURAL CONTROL ON ORDOVICIAN BLACK-SHALE DISTRIBUTION DURING THE TACONIAN OROGENY, NORTHERN APPALACHIAN BASIN, U.S.A
ETTENSOHN, Frank R., Department of Earth and Environmental Sciences, University of Kentucky, 101 Slone Building, Lexington, KY 40506
4:30 PM
CALIBRATING WATER DEPTHS OF A LATE ORDOVICIAN RAMP, SOUTHERN OHIO AND NORTH-CENTRAL KENTUCKY, USA
MALGIERI, Thomas J., Department of Geology, University of Cincinnati, Cincinnati, OH 45221, BRETT, Carl, Dept. of Geology, University of Cincinnati, Cincinnati, OH 45221, THOMKA, James R., Department of Geosciences, University of Akron, Akron, OH 44325-1901, DATTILO, Benjamin, Department of Biology, Indiana University Purdue University Fort Wayne, 2101 E. Coliseum Blvd, Fort Wayne, IN 46805-1499, SCHWALBACH, Cameron E., Department of Geology, University of Cincinnati, 500 Geology/Physics building, Cincinnati, OH 45221 and AUCOIN, Christopher D., Department of Geology, University of Cincinnati, Cincinnati, OH 45221-0013
4:45 PM
SHORT-LIVED UPWELLING AND VIGOROUS OCEAN CIRCULATION CAUSED BY A BRIEF GLACIAL PERIOD DURING THE LATE ORDOVICIAN
PILESKY, William, Geological Sciences, University of Nevada, Las Vegas, 4505 S. Maryland Parkway, Las Vegas, NV 89154-4010 and WOODS, Adam D., Department of Geological Sciences, California State University, Fullerton, 800 N. State College Blvd, Fullerton, CA 92834-6850
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