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GSA Connects 2023 Meeting in Pittsburgh, Pennsylvania

Session No. 80
Monday, 16 October 2023: 8:00 AM-12:00 PM
304 / 305 (David L Lawrence Convention Center)

T67. The Early Paleozoic III: Radiations, Extinctions, and Environment

GSA Geobiology and Geomicrobiology Division; GSA Soils and Soil Processes Division; GSA Sedimentary Geology Division; Paleontological Society

 

Benjamin Gill, Sara Pruss and Lidya Tarhan, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
80-1
8:05 AM
AN ALTERNATIVE MODEL FOR EARLY PALEOZOIC PYRITE BURIAL
HANTSOO, Kalev1, GOMES, Maya1, BRENNER, Dana1, CORNWELL, Jeffrey2 and PALINKAS, Cindy2, (1)Department of Earth and Planetary Science, Johns Hopkins University, 3400 N Charles St, Baltimore, MD 21218-2625, (2)Horn Point Laboratory, University of Maryland Center for Environmental Science, 2020 Horns Point Road, Cambridge, MD 21613
80-2
8:20 AM
NEW VIEWS OF OLD ALGAE: VORONOCLADUS (CHLOROPHYTA) FROM THE SILURIAN OF UKRAINE AND A MAJOR EARLY PALEOZOIC MACROALGAL RADIATION
LODUCA, Steven, Geography and Geology, Eastern Michigan University, Ypsilanti, MI 48197
80-3
8:35 AM
CONSTRAINING REDUCING CONDITIONS IN THE PRAGUE BASIN DURING THE LATE SILURIAN LAU/KOZLOWSKII EXTINCTION EVENT
BOWMAN, Chelsie1, ALLMAN, Lindsi1, FRÝDA, Jiří2, KOZIK, Nevin P.3, OWENS, Jeremy1 and YOUNG, Seth1, (1)Department of Earth, Ocean, and Atmospheric Science, Florida State University, Tallahassee, FL 32306, (2)Czech Geological Survey, Klarov 3/131, Prague, 11821, Czech Republic, (3)Occidental College, Los Angeles, CA 90041
80-4
8:50 AM
EVOLUTION OF THE DEVONIAN EARTH SYSTEM THROUGH THE LENS OF GEOCHEMISTRY: FROM CARBON CYCLING AND ANOXIA TO PLATE TECTONICS (Invited Presentation)
EDWARDS, Cole, Department of Geological and Environmental Sciences, Appalachian State University, Boone, NC 28607
80-5
9:10 AM
EARLY TO LATE DEVONIAN HIGH-PALEOLATITUDE SEQUENCES FROM THE FALKLAND ISLANDS AND BOLIVIA, SOUTH AMERICA: TRACKING NUTRIENT INFLUX AND ANOXIC EVENTS
VANDER PAS, Brooke1, SMART, Matthew2, GILHOOLY III, William1, FILIPPELLI, Gabriel M.1, MARSHALL, John3 and WHITESIDE, Jessica H.3, (1)Department of Earth Sciences, Indiana University-Purdue University Indianapolis, Indianapolis, IN 46202, (2)Department of Ocean and Atmospheric Sciences, United States Naval Academy, 572C Holloway Road, Chauvenet 200, Annapolis, MD 21666, (3)School of Ocean and Earth Science, University of Southampton, National Oceanography Centre, European Way, Southampton, Hampshire SO14 3ZH, United Kingdom
 
9:25 AM
Break
80-6
9:40 AM
EXPLORING DACRYOCONARID BODY SIZE TRENDS ACROSS THE LATE DEVONIAN PUNCTATA EVENT: INSIGHTS INTO THEIR ECOLOGICAL RESPONSES TO PALEOENVIRONMENTAL SHIFTS
PROW, Ashley1, YANG, Zonglin1, LU, Zunli1, MEEHAN, Kimberly2, PAYNE, Jonathan3 and IVANY, Linda1, (1)Department of Earth and Environmental Sciences, Syracuse University, 141 Crouse Dr, Syracuse, NY 13210, (2)Department of Geological Sciences, The University at Buffalo, Buffalo, NY 14260, (3)Department of Earth and Planetary Sciences, Stanford University, 450 Jane Stanford Way, Stanford, CA 94305
80-7
9:55 AM
SMALL BUT BITEY: MINIATURE SCOLECODONTS OBSERVED DURING THE LATE DEVONIAN LOWER KELLWASSER EXTINCTION EVENT
CHILCOAT, Gwyneth and COHEN, Phoebe, Department of Geosciences, Williams College, Williamstown, MA 01267
80-8
10:10 AM
SMALL BUT MIGHTY: MICROFOSSIL-BASED INSIGHTS INTO THE LATE DEVONIAN LOWER KELLWASSER EVENT
COHEN, Phoebe1, CHILCOAT, Gwyneth1 and PIPPENGER, Katherine2, (1)Department of Geosciences, Williams College, Williamstown, MA 01267, (2)Dept. Earth and Planetary Sciences, Yale University, PO Box 208109, New Haven, CT 06511
80-9
10:25 AM
SHALLOW MARINE NITROGEN CYCLING DURING THE FRASNIAN-FAMENNIAN MASS EXTINCTION IN THE APPALACHIAN BASIN
BRISSON, Sarah1, HREN, Michael T.2, BEARD, J. Andrew2 and BUSH, Andrew3, (1)Earth and Oceanographic Sciences, Bowdoin College, Brunswick, ME 04011; Department of Earth Sciences, University of Connecticut, 207 Beach Hall, 354 Mansfield Road, Unit 1045, Storrs, CT 06269, (2)Department of Earth Sciences, University of Connecticut, 207 Beach Hall, 354 Mansfield Road, Unit 1045, Storrs, CT 06269, (3)Department of Earth Sciences and Department of Ecology & Evolutionary Biology, University of Connecticut, 354 Mansfield Road, Unit 1045, Storrs, CT 06269
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