GSA Connects 2023 Meeting in Pittsburgh, Pennsylvania

Session No. 238
Wednesday, 18 October 2023: 8:00 AM-5:30 PM
Hall B (David L Lawrence Convention Center)

T67. The Early Paleozoic: Radiations, Extinctions, and Environment (Posters)

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

Authors will be present from 3:30 to 5:30 PM.

 

Paper #
Booth #
168
MG-RICH BRINE SEEPS IN THE BURGESS SHALE LAGERSTÄTTE CONSTRAINED BY DOLOMITE U–PB GEOCHRONOLOGY
MCCORMICK, Cole1, CORLETT, Hilary2, ROBERTS, Nick M.W.3, STACEY, Jack1, KOESHIDAYATULLAH, Ardiansyah1, JOHNSTON, Paul4, COLLOM, Christopher J.4 and HOLLIS, Cathy1, (1)The University of Manchester, Manchester, M13 9PL, United Kingdom, (2)Memorial University of Newfoundland, St Johns, NF A1C 5S7, Canada, (3)Geochronology and Tracers Facility, British Geological Survey, Keyworth, NG12 5GG, United Kingdom, (4)Mount Royal University, Calgary, AB T3E 6K6, Canada
169
DO LAURENTIAN TRILOBITES EXHIBIT THE LILLIPUT EFFECT ACROSS THE LATE ORDOVICIAN MASS EXTINCTION?
SIMMONS, Caleb and COLE, Selina, Invertebrate Paleontology, Sam Noble Museum of Natural History, 2401 Chautauqua Ave., Norman, OK 73072; School of Geosciences, University of Oklahoma, Sarkeys Energy Center, 100 East Boyd Street, RM 710, Norman, OK 73019
170
THE DEAD CLADE IS STILL WALKING: ARCHAEOCYATHS FROM UPPER STAGE 4 STRATA OF THE WESTERN UNITED STATES
KARBOWSKI, Grace1, WEBSTER, Mark2, ZHURAVLEV, Andrey Yu3, SMITH, Emily F.4 and PRUSS, Sara B.1, (1)Department of Geosciences, Smith College, Northampton, MA 01063, (2)Department of the Geophysical Sciences, University of Chicago, 5734 South Ellis Avenue, Chicago, IL 60637, (3)Division of Biological Evolution, Biological Faculty, Lomonosov Moscow State University, ul. Leninskie Gory 1 (12), Moscow, 119991, Russian Federation, (4)Department of Earth and Planetary Sciences, Johns Hopkins University, 3400 N. Charles St., Baltimore, MD 21218
171
ANIMAL ABUNDANCE IN LATE ORDOVICIAN REEF ENVIRONMENTS: NEW INSIGHTS FROM THE UPPER ORDOVICIAN LOURDES FORMATION, WESTERN NEWFOUNDLAND
HELMS, Lucy, Department of Geosciences, Smith College, Burton Hall 115, Northampton, MA 01063 and PRUSS, Sara, Department of Geosciences, Smith College, Northampton, MA 01063
172
INSIGHTS INTO THE GLOBAL REDOX STATE OF THE EARLY SILURIAN OCEANS FROM NEW THALLIUM ISOTOPE RECORDS WITHIN BALTICA
EVENSON, Nathaniel1, YOUNG, Seth1, ERIKSSON, Mats E.2, AHLBERG, Per2, HINTS, Olle3, MARTMA, Tonu3 and OWENS, Jeremy1, (1)Department of Earth, Ocean, and Atmospheric Science, Florida State University, Tallahassee, FL 32306, (2)Department of Geology, Lund University, Sölvegatan 12, Lund, SE-223 62, Sweden, (3)Department of Geology, Tallinn University of Technology, Tallinn, 19086, Estonia
173
TRACKING REDOX CHANGES ON THE FRANKLINIAN MARGIN ACROSS THE SILURIAN-DEVONIAN TRANSITION
THOMPSON, Maya, School of Earth and Ocean Sciences, University of Victoria, Bob Wright Centre A405, Victoria, BC V8W 2Y2, Canada
174
CHEMOSTRATIGRAPHIC INVESTIGATION OF AN END-ORDOVICIAN SHALLOW MARINE SEQUENCE, INDIANA, USA
VANDER PAS, Brooke1, GILHOOLY III, William1 and DATTILO, Benjamin2, (1)Department of Earth Sciences, Indiana University-Purdue University Indianapolis, Indianapolis, IN 46202, (2)Department of Biology, Purdue University Fort Wayne, 2101 E. Coliseum Blvd, Fort Wayne, IN 46805-1499
175
GEOCHEMICAL CHARACTERIZATION OF THE LOWER-MIDDLE CAMBRIAN TRANSITION IN WESTERN GONDWANA
JAMART, Valentin1, PAS, Damien1, ADATTE, Thierry1, SPANGENBERG, Jorge2, LAIBL, Lukáš3 and DALEY, Allison C.1, (1)Institute of Earth Sciences, University of Lausanne, Géopolis, Lausanne, 1015, Switzerland, (2)Institute of Earth Surface Dynamics, University of Lausanne, Lausanne, 1015, Switzerland, (3)Czech Academy of Sciences, Institute of Geology, Prague, 165 00, Czech Republic; Institute of Geology and Palaeontology, Faculty of Science, Prague, 12843, Czech Republic
176
ASSESSING GLOBAL MARINE REDOX CHANGES DURING THE MID-SILURIAN MULDE/LUNDGRENI EXTINCTION EVENT
MAALEKI MOGHADAM, Mahdi1, YOUNG, Seth1, LINDSKOG, Anders2, KALJO, Dimitri3, HINTS, Olle3, MARTMA, Tonu3, NOBLE, Paula4 and OWENS, Jeremy1, (1)Department of Earth, Ocean, and Atmospheric Science, Florida State University, Tallahassee, FL 32306, (2)Department of Geology, Lund University, Sölvegatan 12, Lund, SE-223 62, Sweden, (3)Department of Geology, Tallinn University of Technology, Tallinn, 19086, Estonia, (4)Geological Sciences & Engineering, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557
177
THE ONSET OF SKELETAL COMPONENT: THE OLDEST SKELETAL DOMINATED CARBONATE PLATFORM IN THE SINO-KOREAN BLOCK
SEO, Myungjun, Department of Earth and Environmental Sciences, Korea University, Seoul, Korea, Republic of (South)
178
EDIACARAN–CAMBRIAN MICROBIAL CARBONATES OF THE AQ-KAND AREA, NW IRAN
ETEMAD-SAEED, Najmeh1, BERGMANN, Kristin2, KNOLL, Andrew H.3, DARAEI, Mahdi4, KARIMI, Soroush4 and ZAKI, Tahereh4, (1)Department of Earth Sciences, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, 45137-66731, Iran (Islamic Republic of); Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, (2)Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, (3)Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, NC 02138, (4)Department of Earth Sciences, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, 45137-66731, Iran (Islamic Republic of)
179
PATTERNS OF SPICULE PRESERVATION IN CAMBRIAN SPONGES
CUI, Sandy, Museum and Field Studies, University of Colorado, Boulder, Boulder, CO 80309, SIMPSON, Carl, Department of Geological Sciences, University of Colorado at Boulder, 2200 Colorado Ave, Boulder, CO 80309 and KARIM, Talia S., Museum of Natural History, University of Colorado, 265 UCB, Boulder, CO 80309
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