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Southeastern Section - 74th Annual Meeting - 2025

Session No. 40
Friday, 21 March 2025: 1:00 PM-5:00 PM
Shenandoah ABC (Hotel Madison & Shenandoah Valley Conference Center)

T19. Co-evolution of Life and its Environment: From Biodiversification Events to Mass Extinction and Everything in Between (Posters)

GSA Geobiology and Geomicrobiology Division; GSA Geochronology Division; GSA Sedimentary Geology Division

Authors will be present from 2 to 4 PM.

 

Paper #
Booth #
40-1
19
DOUSHANTUO-TYPE MICROFOSSILS IN EARLIEST CAMBRIAN ROCKS OF MONGOLIA
LOLE DURBIN, Orin, Department of Geosciences, Virginia Tech, Blacksburg, VA 24061; Department of Earth Sciences, University of Oxford, Oxford, OX1 3AN, United Kingdom, ANTTILA, Eliel S.C., Department of Earth and Planetary Sciences, ETH Zürich, Zürich, 8092, Switzerland, BRIGGS, Derek E.G., Department of Earth and Planetary Sciences and Yale Peabody Museum, Yale University, New Haven, CT 06511, MACDONALD, Francis A., Department of Earth and Planetary Sciences, University of California Berkeley, Berkeley, CA 94720 and ANDERSON, Ross P., Museum of Natural History, University of Oxford, Oxford, OX1 3PW, United Kingdom
40-2
20
GEOCHEMICAL EVIDENCE FOR OCEAN DEOXYGENATION DURING THE CAMBRIAN END-PTEROCEPHALIID EXTINCTION AT LAWSON COVE RESERVOIR, UTAH
HARRIS, Brooklyn, GILL, Benjamin and HAGEN, Amy, Department of Geosciences, Virginia Tech, 926 West Campus Drive, Blacksburg, VA 24061
40-3
21
NEW INSIGHTS INTO THE LOCAL REDOX LANDSCAPE OF THE MIDDLE ORDOVICIAN BALTOSCANDIAN CARBONATE SHELF FROM I/CA RECORDS
BARNES, Gwen1, ADIATMA, Yoseph1, LINDSKOG, Anders2, OWENS, Jeremy D.1 and YOUNG, Seth A.1, (1)Department of Earth, Ocean, and Atmospheric Science and National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32306, (2)Department of Environmental Science, Kristianstad University, Kristianstad, 29188, Sweden
40-4
22
RECORDS OF ORDOVICIAN CARBON CYCLING IN DEEP WATER SETTINGS FROM BALTICA: KRAPPERUP AND LERHAMN DRILL CORES–SCANIA, SWEDEN
CRISSEY, Josh1, FRAVEL, Mackenzie S.1, ADIATMA, Yoseph1, AHLBERG, Per2, OWENS, Jeremy D.1 and YOUNG, Seth A.1, (1)Department of Earth, Ocean, and Atmospheric Science – National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32306, (2)Lund University, Department of Geology, Sölvegatan 12, Lund, SE-223 62, Sweden
40-5
23
THE UPS AND DOWNS OF EARLY SILURIAN BIODIVERSITY: NEW INSIGHTS FROM THALLIUM ISOTOPIC RECORDS OF SOUTH CHINA AND BALTOSCANDIA
EVENSON, Nathaniel1, GOODIN, Jay2, ZHANG, Junpeng3, OWENS, Jeremy D.4 and YOUNG, Seth A.4, (1)Department of Earth, Ocean, and Atmospheric Science, Florida State University, Tallahassee, FL 32306, (2)Florida State University, 1800 E Paul Dirac Dr, Tallahassee, FL 32310, (3)Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, East Beijing Road 39, Nanjing, Jiangsu Province, Nanjing, 210008, China, (4)Department of Earth, Ocean, and Atmospheric Science – National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32306
40-6
24
STABLE CARBON ISOTOPE (Δ13CCARB AND Δ13CORG) EVIDENCE OF THE TOARCIAN OCEAN ANOXIC EVENT FROM CENTRAL ITALY: EVIDENCE FOR A GLOBALLY MIXED TETHYS SEA.
LEATHERMAN, Jackson, Geology and Environmental Science, Appalachian State University, Boone, NC 28608 and EDWARDS, Cole, Department of Geological and Environmental Sciences, Appalachian State University, Boone, NC 28608
40-7
25
COMPARING TAXONOMIC COMPOSITION OF LARGE AND SMALL MOLLUSKS IN THE MIOCENE ST. MARYS FORMATION, MARYLAND
GAY, Alexis, FORCINO, Frank L. and STAFFORD, Emily S., Geosciences & Natural Resources Department, Western Carolina University, Cullowhee, NC 28723
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