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GSA Annual Meeting in Denver, Colorado, USA - 2016

Session No. 224
Tuesday, 27 September 2016: 1:30 PM-5:30 PM
Mile High Ballroom 3C (Colorado Convention Center)

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

Paleontological Society; Paleontological Research Institution
Matt Saltzman, Stephen Leslie and Erik A. Sperling, Advocates
224-1
1:30 PM
PATTERNS AND TRENDS IN NONCALCIFIED MACROALGAL (“SEAWEED”) MORPHOLOGY AND ECOLOGY DURING THE GREAT ANIMAL DIVERSIFICATION EVENTS OF THE EARLY PALEOZOIC
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
224-2
1:45 PM
PROTRACTED DEVELOPMENT OF BIOTURBATION AND IMPLICATIONS FOR GLOBAL BIOGEOCHEMICAL CYCLING THROUGH THE EARLY PALEOZOIC (Invited Presentation)
TARHAN, Lidya G., Department of Geology and Geophysics, Yale University, 210 Whitney Ave, New Haven, CT 06511, lidya.tarhan@yale.edu
224-3
2:05 PM
THE NATURE OF CAMBRIAN CARBONATE SEDIMENTATION THROUGH THE LENS OF THE PRECAMBRIAN
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
224-4
2:20 PM
EXCEPTIONALLY PRESERVED MICKWITZIA FROM THE INDIAN SPRINGS LAGERSTÄTTE (CAMBRIAN STAGE 3), NEVADA AND IMPLICATIONS FOR EARLY CAMBRIAN BRACHIOPOD EVOLUTION
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
224-5
2:35 PM
COUPLING OF CAMBRIAN TRILOBITE EXTINCTION EVENTS AND CARBON ISOTOPE ANOMALIES: A CASE STUDY OF CAMBRIAN SERIES 2-3 BOUNDARY CANDIDATE SECTIONS IN GUIZHOU CHINA
LIN, Jih-Pai, Geosciences, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 106, Taiwan, jplin@hotmail.com
224-6
2:50 PM
CHANCELLORIID SCLERITES FROM THE DYERAN–DELAMARAN (“LOWER”–“MIDDLE” CAMBRIAN) BOUNDARY INTERVAL OF THE PIOCHE–CALIENTE REGION, NEVADA, USA
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
224-7
3:05 PM
MIDDLE CAMBRIAN AGNOSTID TRILOBITES FROM THE MANUELS RIVER FORMATION, AVALON PENINSULA NEWFOUNDLAND, CANADA: THEIR PALAEOBIOGEOGRAPHIC RELATIONS AND IMPLICATION FOR PALAEOGEOGRAPHY
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
 
3:20 PM
Break
224-8
3:35 PM
ONSET OF THE EARLY PALEOZOIC:  GLOBAL HYPERWARMING AND PALEOGEOGRAPHY DURING THE CAMBRIAN EVOLUTIONARY RADIATION (CER)
LANDING, Ed, New York State Museum, 125 Manning Blvd., 222 Madison Ave., Albany, NY 12203, ed.landing@nysed.gov
224-9
3:50 PM
DECOUPLING EXCURSIONS, EXTINCTIONS, AND ENVIRONMENTAL CHANGE: THE TIME-TRANSGRESSIVE AND FACIES-DEPENDENT CAMBRIAN SPICE EVENT
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
224-10
4:05 PM
EVIDENCE FOR THE DEVELOPMENT OF ANOXIA DURING THE CAMBRIAN SPICE EVENT FROM THE NOLICHUCKY AND EAU CLAIRE FORMATIONS OF KENTUCKY AND OHIO, USA
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
224-11
4:20 PM
EARLY ORDOVICIAN CLIMATE FLUCTUATIONS INFERRED FROM CONODONT OXYGEN ISOTOPES
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
224-12
4:35 PM
EARLY TO MIDDLE ORDOVICIAN HIGH-FREQUENCY (104-105 YR) CLIMATE CHANGES DETECTED USING OXYGEN ISOTOPES OF MARINE APATITE FROM CYCLIC MARINE CARBONATES
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
224-13
4:50 PM
OXYGENATION AS A DRIVER OF THE GREAT ORDOVICIAN BIODIVERSIFICATION EVENT (Invited Presentation)
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
224-14
5:10 PM
SULFUR-CYCLING IN THE DARRIWILIAN (MIDDLE ORDOVICIAN) OF ARGENTINA: IMPLICATIONS FOR OCEAN CIRCULATION AND THE REDOX EVOLUTION OF THE ORDOVICIAN OCEAN
HENDERSON, Miles A., Department of Earth & Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 37996 and KAH, Linda C., Earth and Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 37996, milesh@utk.edu
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