GSA Annual Meeting in Denver, Colorado, USA - 2016

T143. The Early Paleozoic World: Radiations, Extinctions, and Paleoenvironmental Change I

Session No. 224
Tuesday, 27 September 2016: 1:30 PM-5:30 PM
Mile High Ballroom 3C (Colorado Convention Center)
PATTERNS AND TRENDS IN NONCALCIFIED MACROALGAL (“SEAWEED”) MORPHOLOGY AND ECOLOGY DURING THE GREAT ANIMAL DIVERSIFICATION EVENTS OF THE EARLY PALEOZOIC
Abstract ID#: 283469
LODUCA, Steven T., Department of Geography and Geology, Eastern Michigan University, 203 Strong Hall, Ypsilanti, MI 48197, BYKOVA, Natalia, Department of Geosciences, Virginia Polytechnic Institute and State University, 4044 Derring Hall, Blacksburg, VA 24061, WU, Mengyin, Department of Economics and Management, Guiyang University, Guizhou Province, Guiyang, 550005, China, XIAO, Shuhai, Department of Geosciences, Virginia Tech, Blacksburg, VA 24061 and ZHAO, Yuanlong, College of Resource and Environment Engineering, Guizhou University, Guiyang, 550003, China, sloduca@emich.edu
PROTRACTED DEVELOPMENT OF BIOTURBATION AND IMPLICATIONS FOR GLOBAL BIOGEOCHEMICAL CYCLING THROUGH THE EARLY PALEOZOIC
Abstract ID#: 284622
TARHAN, Lidya G., Department of Geology and Geophysics, Yale University, 210 Whitney Ave, New Haven, CT 06511, lidya.tarhan@yale.edu
THE NATURE OF CAMBRIAN CARBONATE SEDIMENTATION THROUGH THE LENS OF THE PRECAMBRIAN
Abstract ID#: 283927
BERGMANN, Kristin, Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Ave, 54-1014, Cambridge, MA 02139, CANTINE, Marjorie, Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139 and KNOLL, Andrew H., Organismic and Evolutionary Biology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, kdberg@mit.edu
EXCEPTIONALLY PRESERVED MICKWITZIA FROM THE INDIAN SPRINGS LAGERSTÄTTE (CAMBRIAN STAGE 3), NEVADA AND IMPLICATIONS FOR EARLY CAMBRIAN BRACHIOPOD EVOLUTION
Abstract ID#: 282647
BUTLER, Aodhán D., School of Earth, Energy & Environmental Sciences, Stanford University, 450 Serra Mall, Building 320, Stanford, CA 94305; Palaeobiology Programme, Department of Earth Sciences, Uppsala University, Villavägen 16, Uppsala, 75236, Sweden, STRENG, Michael, Department of Earth Sciences, Uppsala University, Norbyvägen, 22, 75236, Sweden, HOLMER, Lars E., Department of Palaeobiology, Uppsala University, Norbyvägen, 22, 75236, Sweden and BABCOCK, Loren E., School of Earth Sciences, The Ohio State University, Columbus, OH 43210, aodhan.butler@geo.uu.se
COUPLING OF CAMBRIAN TRILOBITE EXTINCTION EVENTS AND CARBON ISOTOPE ANOMALIES: A CASE STUDY OF CAMBRIAN SERIES 2-3 BOUNDARY CANDIDATE SECTIONS IN GUIZHOU CHINA
Abstract ID#: 281323
LIN, Jih-Pai, Geosciences, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 106, Taiwan, jplin@hotmail.com
CHANCELLORIID SCLERITES FROM THE DYERAN–DELAMARAN (“LOWER”–“MIDDLE” CAMBRIAN) BOUNDARY INTERVAL OF THE PIOCHE–CALIENTE REGION, NEVADA, USA
Abstract ID#: 282297
MOORE, John L., Earth Research Institute, University of California, Santa Barbara, Santa Barbara, CA 93106 and PORTER, Susannah M., Department of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106, jlmoore@geol.ucsb.edu
MIDDLE CAMBRIAN AGNOSTID TRILOBITES FROM THE MANUELS RIVER FORMATION, AVALON PENINSULA NEWFOUNDLAND, CANADA: THEIR PALAEOBIOGEOGRAPHIC RELATIONS AND IMPLICATION FOR PALAEOGEOGRAPHY
Abstract ID#: 284041
HILDENBRAND, Anne, AUSTERMANN, Gregor, IFRIM, Christina and BENGTSON, Peter, Institut für Geowissenschaften, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 234, Heidelberg, 69120, Germany, Anne.Hildenbrand@geow.uni-heidelberg.de
 
Break
Abstract ID#: 288170
ONSET OF THE EARLY PALEOZOIC:  GLOBAL HYPERWARMING AND PALEOGEOGRAPHY DURING THE CAMBRIAN EVOLUTIONARY RADIATION (CER)
Abstract ID#: 283363
LANDING, Ed, New York State Museum, 125 Manning Blvd., 222 Madison Ave., Albany, NY 12203, ed.landing@nysed.gov
DECOUPLING EXCURSIONS, EXTINCTIONS, AND ENVIRONMENTAL CHANGE: THE TIME-TRANSGRESSIVE AND FACIES-DEPENDENT CAMBRIAN SPICE EVENT
Abstract ID#: 284431
SCHIFFBAUER, James D.1, HUNTLEY, John Warren1, FIKE, David A.2, JEFFREY, Matthew Jarrell1, GREGG, Jay M.3 and SHELTON, Kevin L.1, (1)Geological Sciences, University of Missouri, 101 Geological Sciences Building, Columbia, MO 65211, (2)Earth and Planetary Sciences, Washington University in St. Louis, One Brookings Drive, Campus Box 1169, St Louis, MO 63130, (3)Boone Pickens School of Geology, Oklahoma State University, 105 Noble Research Center, Stillwater, OK 74078-3031, schiffbauerj@missouri.edu
EVIDENCE FOR THE DEVELOPMENT OF ANOXIA DURING THE CAMBRIAN SPICE EVENT FROM THE NOLICHUCKY AND EAU CLAIRE FORMATIONS OF KENTUCKY AND OHIO, USA
Abstract ID#: 286081
LEROY, Matthew A. and GILL, Benjamin C., Department of Geosciences, Virginia Polytechnic Institute and State University, 4044 Derring Hall, Blacksburg, VA 24061, mleroy@vt.edu
EARLY ORDOVICIAN CLIMATE FLUCTUATIONS INFERRED FROM CONODONT OXYGEN ISOTOPES
Abstract ID#: 277262
QUINTON, Page C., Department of Geology, State University of New York at Potsdam, SUNY Potsdam, Timerman Hall 220, Potsdam, NY 13676, MILLER, James F., Geography, Geology, & Planning Department, Missouri State University, Springfield, MO 65897, ETHINGTON, Raymond L., Geological Sciences Dept, University of Missouri-Columbia, Columbia, MO 65211 and MACLEOD, Kenneth G., Department of Geological Sciences, The University of Missouri-Columbia, University of Missouri, 101 Geology Building, Columbia, MO 65211, quintopc@potsdam.edu
EARLY TO MIDDLE ORDOVICIAN HIGH-FREQUENCY (104-105 YR) CLIMATE CHANGES DETECTED USING OXYGEN ISOTOPES OF MARINE APATITE FROM CYCLIC MARINE CARBONATES
Abstract ID#: 282827
ELRICK, Maya1, WAGNER, Alyssa1, HOUGH, Gretchen2 and FINNEGAN, Seth3, (1)Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, (2)Department of Geology and Geophysics, University of Wyoming, 1000 E University Ave, Dept 3006, Laramie, WY 82071, (3)Department of Integrative Biology, University of California Berkeley, 5151A Valley Life Sciences, Be, CA 94720-3140, dolomite@unm.edu
OXYGENATION AS A DRIVER OF THE GREAT ORDOVICIAN BIODIVERSIFICATION EVENT
Abstract ID#: 281182
EDWARDS, Cole T., Department of Geology, Appalachian State University, ASU Box 32067, Boone, NC 28608, SALTZMAN, Matthew R., School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210 and ROYER, Dana L., Department of Earth and Environmental Sciences, Wesleyan University, Middletown, CT 06459, edwardsct4@appstate.edu
SULFUR-CYCLING IN THE DARRIWILIAN (MIDDLE ORDOVICIAN) OF ARGENTINA: IMPLICATIONS FOR OCEAN CIRCULATION AND THE REDOX EVOLUTION OF THE ORDOVICIAN OCEAN
Abstract ID#: 284859
HENDERSON, Miles A. and KAH, Linda C., Department of Earth & Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 37996, milesh@utk.edu
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