T257 The Ordovician Revolution: Co-Evolution of Climate and the Biosphere

Tuesday, 21 October 2014
1:00 PM - 5:00 PM
215/216

Presentations

• 1:00 PM
  AN EARLY ORDOVICIAN MASS EXTINCTION AND THE PERSISTENCE OF ANOXIA
  Matthew R. Saltzman, The Ohio State University, Columbus, OH and Cole T. Edwards, The Ohio State University, Columbus, OH and Jonathan M. Adrain, University of Iowa, Iowa City, IA and Stephen R. Westrop, Univ of Oklahoma, Norman, OK
  245981 (Technical Sessions)
• 1:15 PM
  BULK CARBONATE δ13C RECORD FROM TIDWELL HOLLOW, ALABAMA: A SEARCH FOR THE GICE IN THE SOUTHEAST US
  Page C. Quinton, The University of Missouri-Columbia, Columbia, MO and Achim Herrmann, Louisiana State University Department of Geology and Geophysics, Baton Rouge, LA and S.a. Leslie, James Madison University, Harrisonburg, VA and Kenneth G. MacLeod, University of Missouri-Columbia, Columbia, MO
  243438 (Technical Sessions)
• 1:30 PM
  LATE ORDOVICIAN AND EARLY SILURIAN GLACIOEUSTATIC SEA LEVEL CHANGES AND CARBON ISOTOPE CHEMOSTRATIGRAPHY
  David S. Jones, Amherst College, Amherst, MA and Roger C. Creel, Amherst College, Amherst, MA and Bernardo Andres Rios, Amherst College, Amherst, MA and Danielle Santiago Ramos, Princeton University, Princeton, NJ
  244388 (Technical Sessions)
• 1:45 PM
  BEHAVIOR OF MARINE SULFUR IN THE ORDOVICIAN
  L.C. Kah, University of Tennessee, Knoxville, TN and Cara K. Thompson, Santa Monica College, Santa Monica, CA and Miles Henderson, University of Tennessee, Knoxville, TN
  246098 (Technical Sessions)
• 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?
  Pedro J. Marenco, Bryn Mawr College, Bryn Mawr, PA and Katherine N. Marenco, Bryn Mawr College, Bryn Mawr, PA
  249569 (Technical Sessions)
• 2:20 PM
  SULFUR ISOTOPE EVIDENCE FOR LATE ORDOVICIAN OCEAN OXYGENATION: IMPLICATIONS FOR THE DRIVERS OF THE HIRNANTIAN EXTINCTION
  Benjamin Gill, Virginia Polytechnic Institute and State University, Blacksburg, VA and Timothy Lyons, University of California, Riverside, CA and Seth A. Young, Indiana University, Bloomington, IN and Dimitri Kaljo, Tallinn University of Technology, Tallinn, N/A and Matthew R. Saltzman, The Ohio State University, Columbus, OH
  250087 (Technical Sessions)
• 2:55 PM
  THE ONSET OF GLACIATION ~8 MYRS PRIOR TO THE HIRNANTIAN
  J. Garrecht Metzger, Washington University IN St. Louis, St. Louis, MO and David Fike, Washington University in St. Louis, St Louis, MO and Phillip Pogge von Strandmann, University College London, London, N/A
  248325 (Technical Sessions)
• 3:10 PM
  ORDOVICIAN TURNING POINT IN THE PHANEROZOIC SILICA CYCLE
  David L. Kidder, Ohio Univ, Athens, OH and Iulia Tomescu, Houston, TX
  243871 (Technical Sessions)
• 3:25 PM
  LINKING LATE ORDOVICIAN MARINE EXTINCTIONS TO CLIMATIC AND OCEANOGRAPHIC EVENTS: FROM PATTERN TO PROCESS
  Seth Finnegan, University of California, Berkeley, Berkeley, CA and Christian Mac Ørum Rasmussen, Natural History Museum of Denmark, Copenhagen, N/A and David A.T. Harper, Durham University, Durham
  250523 (Technical Sessions)
• 3:45 PM
  DISTINGUISHING SAMPLING AND ECOLOGIC EFFECTS ON GEOGRAPHIC RANGE AND DURATION IN GRAPTOLITES
  James Boyle, University at Buffalo, SUNY, Buffalo, NY and Daniel Goldman, University of Dayton, Dayton, OH and Shuang-Ye Wu, University of Dayton, Dayton, OH and Michael Melchin, St. Francis Xavier Univ, Antigonish, NS and H. David Sheets, SUNY at Buffalo, Buffalo, NY and Charles E. Mitchell, University at Buffalo, SUNY, Buffalo, NY
  250348 (Technical Sessions)
• 4:00 PM
  POSSIBLE TECTONIC AND STRUCTURAL CONTROL ON ORDOVICIAN BLACK-SHALE DISTRIBUTION DURING THE TACONIAN OROGENY, NORTHERN APPALACHIAN BASIN, U.S.A
  Frank Ettensohn, University of Kentucky, Lexington, KY
  242230 (Technical Sessions)
• 4:15 PM
  CALIBRATING WATER DEPTHS OF A LATE ORDOVICIAN RAMP, SOUTHERN OHIO AND NORTH-CENTRAL KENTUCKY, USA
  Thomas J. Malgieri, University of Cincinnati, Cincinnati, OH and Carl Brett, University of Cincinnati, Cincinnati, OH and James R. Thomka, University of Akron, Akron, OH and Benjamin Dattilo, Indiana University Purdue University Fort Wayne, Fort Wayne, IN and Cameron E. Schwalbach, University of Cincinnati, Cincinnati, OH and Christopher D. Aucoin, University of Cincinnati, Cincinnati, OH
  250331 (Technical Sessions)
• 4:30 PM
  SHORT-LIVED UPWELLING AND VIGOROUS OCEAN CIRCULATION CAUSED BY A BRIEF GLACIAL PERIOD DURING THE LATE ORDOVICIAN
  William Pilesky, University of Nevada, Las Vegas, Las Vegas, NV and Adam Woods, California State University, Fullerton, Fullerton, CA
  250532 (Technical Sessions)