GSA Connects 2021 in Portland, Oregon

Session No. 10
Sunday, 10 October 2021: 8:00 AM-12:00 PM
E143/E144 (Oregon Convention Center)

T87. New Perspectives on Phanerozoic Mass Extinctions and Environmental Perturbations I

GSA Geobiology and Geomicrobiology Division; Paleontological Research Institution; Paleontological Society; GSA Marine and Coastal Geoscience Division

 

Ekaterina Larina, Bethany Allen, James D. Witts and Rowan Whittle, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
8:05 AM
CO2PIP— A COMMUNITY PROJECT TO ADVANCE AND STANDARDIZE APPROACHES TO PALEO-CO2 RECONSTRUCTION AND TO BUILD THE NEXT-GENERATION PHANEROZOIC RECORD
MONTANEZ, Isabel, Department of Earth and Planetary Sciences, University of California, Davis, One Shields Ave., Davis, CA 95616, ROYER, Dana, Earth and Environmental Sciences, Wesleyan University, 265 Church St., Middletown, CT 06459, BREECKER, Daniel O., Department of Geological Sciences, The University of Texas at Austin, Austin, TX 78712, BOWEN, Gabriel J., Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112, HÖNISCH, Bärbel, Lamont-Doherty Earth Observatory and Dept. of Earth and Environmental Sciences, Columbia University, Palisades, NY 10964, HUNTINGTON, Katharine, Department of Earth and Space Sciences, University of Washington, Seattle, WA 98195, FEINER, Steven, Dept. of Computer Science, Columbia Univ., New York City, NY 10027 and CHILTON, Lydia, Dept. of Computer Sciences, Columbia Univ., New York City, NY 10027
8:20 AM
METABOLIC TRADOFFS CONTROL BIODIVERSITY GRADIENTS THROUGH GEOLOGICAL TIME
BOAG, Thomas, Department of Earth and Planetary Sciences, Yale University, 210 Whitney Avenue, New Haven, CT 06511, STOCKEY, Richard, Department of Geological Sciences, Stanford University, 450 Jane Stanford Way, Building 320, Room 118, Stanford, CA 94305-2115 and GEARTY, William, School of Biological Sciences, University of Nebraska-Lincoln, 1101 T St, Lincoln, NE 68588
10-3
8:35 AM
Withdrawn
8:50 AM
“SURVIVAL OF THE TOLERANT” – A LOGISTIC REGRESSION ANALYSIS OF ECOLOGICAL TOLERANCE SELECTIVITY THROUGHOUT THE PHANEROZOIC
MALANOSKI, Cooper, Earth Sciences, Oxford University, South Parks Road, Oxford, OX1 3AN, United Kingdom and PETSIOS, Elizabeth, Department of Geosciences, Baylor University, One Bear Place #97354, Waco, TX 76798
9:05 AM
REVISITING MECHANISMS AND THRESHOLDS OF MASS EXTINCTIONS
MYERS, Corinne, Dept. of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87108, PERRIGUEY, Dustin, Earth and Planetary Sciences, University of New Mexico, MSC03 2040, Albuquerque, NM 87131, WITTS, James, University of New MexicoEarth and Planetary Sciences, Northrop Hall, 221 Yale Blvd NE, Albuquerque, NM 87131-0001, PETROVSKII, Sergei, Department of Mathematics, University of Leicester, University Road, Leicester, LE1 7RH, United Kingdom, SUDAKOW, Ivan, Department of Physics, University of Dayton, Science Center 101B, 300 College Park, Dayton, OH 45469-2314 and SUMRALL, Colin, Department of Earth and Planetary Sciences, University of Tennessee, 602 Strong Hall, 1621 Cumberland Avenue, Knoxville, TN 37996
9:20 AM
ALTERNATING MACROEVOLUTIONARY REGIMES: ARE ORGANISMAL TRAITS PREFERENTIALLY SELECTED OVER EMERGENT TRAITS DURING MASS EXTINCTIONS? (Invited Presentation)
MONARREZ, Pedro1, HEIM, Noel A.2 and PAYNE, Jonathan1, (1)Department of Geological Sciences, Stanford University, 450 Jane Stanford Way, Building 320, Stanford, CA 94305, (2)Department of Earth and Ocean Sciences, Tufts University, 2 N. Hill Rd., Medford, MA 02155
 
9:40 AM
Break
9:50 AM
IDENTIFYING THE CAUSES OF EARLY PALEOZOIC MASS EXTINCTIONS USING NEW CARBONATE GEOCHEMICAL PROXIES: LOCAL EVIDENCE OF MARINE ANOXIA USING I/CA RATIOS
EDWARDS, Cole, Department of Geological and Environmental Sciences, Appalachian State University, 572 Rivers St., Boone, NC 28608, YOUNG, Seth, Earth Ocean and Atmospheric Science, Florida State University, 3533 Cypress Hawk Lane, Tallahassee, FL 32310, KOZIK, Nevin P., Department of Earth, Ocean, and Atmospheric Sciences, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL 32306, BOWMAN, Chelsie, 2031 Continental Ave, Tallahassee, FL 32304-1756 and OWENS, Jeremy, Florida State UniversityEarth, Ocean and Atmopsheric Science, EOAS Building 1011 Academic Way, Tallahassee, FL 32306-4100
10:05 AM
FIRST REPORT OF THE ARCHAEOCYATHID EXTINCTION AND THE REDLICHIID-OLENELLID EXTINCTION CARBON ISOTOPE EXCURSIONS (AECE AND ROECE) IN EASTERN LAURENTIA: IMPLICATIONS FOR PERTURBATIONS IN THE LATE EARLY CAMBRIAN CARBON CYCLE
YANG, Yezi and GILL, Benjamin, Department of Geosciences, Virginia Polytechnic Institute and State University, 4044 Derring Hall, Blacksburg, VA 24061
Handouts
  • 80_Yang_GSA2021.pptx (19.9 MB)
  • 10:20 AM
    NEW CLUMPED ISOTOPE CONSTRAINTS ON THE TEMPO AND MAGNITUDE OF HIRNANTIAN (LATE ORDOVICIAN) GLACIATION FROM ANTICOSTI ISLAND, QUÉBEC, CANADA
    ZIMMT, Josh, Integrative Biology, UC Berkeley, 1005 Valley Life Sciences Bldg 3140, Berkeley, CA 94720-3140, BERGMANN, Kristin D., Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, PRESENT, Theodore M., Division of Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125, DESROCHERS, André, Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, ON K1N 6N5, Canada and FINNEGAN, Seth, Department of Integrative Biology, University of California Berkeley, 5151A Valley Life Sciences, Be, CA 94720-3140
    10:35 AM
    EXPANSION OF REDUCING MARINE ENVIRONMENTS DURING THE EARLY SILURIAN IREVIKEN BIOGEOCHEMICAL EVENT
    STOLFUS, Brittany, University of IowaDepartment of Earth and Environmental, 115 Trowbridge Hall, Iowa City, IA 52242-1319, ALLMAN, Lindsi, 3533 Cypress Hawk Ln, Tallahassee, FL 32310-6356, CRAMER, Bradley, Department of Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242, YOUNG, Seth, Earth Ocean and Atmospheric Science, Florida State University, 3533 Cypress Hawk Lane, Tallahassee, FL 32310, CALNER, Mikael, Department of Geology, Lund University, Sölvegatan 12, Lund, SE-223 62, Sweden, HARTKE, Emma, Department of Geosciences, Penn State University, University Park, PA 16802, OBORNY, Stephan, University of KansasKansas Geological Survey, 1930 Constant Ave, Lawrence, KS 66047-3726 and BANCROFT, Alyssa M., Iowa Geological Survey, University of Iowa, 340 Trowbridge Hall, Iowa City, IA 52242
    10:50 AM
    TRACE ELEMENT GEOCHEMISTRY OF THE GIVETIAN-FRASNIAN FRASNES EVENT, NEVADA, USA
    MORGAN, Dustin, Department of Geosciences, Texas Tech University, 1200 Memorial Circle, Lubbock, TX 79409 and MCADAMS, Neo, Texas Tech UniversityDepartment of Geosciences, PO Box 41053, Lubbock, TX 79409-1053
    11:05 AM
    PRELIMINARY CONODONT BIODIVERSITY DATA FROM THE GIVETIAN-FRASNIAN “FRASNES EVENT” INTERVAL IN THE NORTHERN ANTELOPE RANGE NEVADA, USA
    FIORITO, Angela, Geosciences, Texas Tech, 1200 Memorial Circle, Lubbock, TX 79409 and MCADAMS, Neo, Texas Tech UniversityDepartment of Geosciences, PO Box 41053, Lubbock, TX 79409-1053
    11:20 AM
    MULTI-PROXY ANALYSIS OF THE LOWER KELLWASSER EVENT IN THE APPALACHIAN BASIN
    BRISSON, Sarah1, BUSH, Andrew2, BEARD, J. Andrew1 and HREN, Michael T.3, (1)Department of Geosciences, University of Connecticut, 354 Mansfield Rd U-2045, Storrs, CT 06269, (2)Department of Geosciences & Department of Ecology and Evolutionary Biology, University of Connecticut, 354 Mansfield Road - Unit 1045, Storrs, CT 06269, (3)Department of Geosciences, University of Connecticut, 354 Mansfield Road - Unit 1045, Storrs, CT 06269
    11:35 AM
    CARBON ISOTOPE CHEMOSTRATIGRAPHY AND REDOX GEOCHEMISTRY OF THE MIDDLE-LATE DEVONIAN HORN RIVER GROUP
    ENDRIGA, Cecilia1, KABANOV, Pavel2 and SPERLING, Erik1, (1)Department of Geological Sciences, Stanford University, Stanford, CA 94305, (2)Geological Survey of Canada Calgary, Calgary, AB T2L 2A7, Canada
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