Southeastern Section - 74th Annual Meeting - 2025

Session No. 21
Thursday, 20 March 2025: 1:30 PM-3:30 PM
Appalachian B (Hotel Madison & Shenandoah Valley Conference Center)

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

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

 

Yoseph Adiatma, Jay Goodin, Amy Hagen, Maya Roselli, Gwen Barnes and Nathaniel Evenson, Advocates
Paper #
Start Time
1:30 PM
EDIACARAN OCEAN OXYGENATION; INSIGHTS FROM THE PORTFJELD GROUP, NORTH GREENLAND
THOMPSON, Samuel1, GAN, Tian2, PEDERSEN, Matthew3, DOERRLER, Andrew3, SEGESSENMAN, Daniel1, REMIREZ, Mariano4, RUGEN, Elias J.5, FREI, Robert6, KAUFMAN, Alan7 and GILLEAUDEAU, Geoffrey J.8, (1)Department of Atmospheric, Oceanic, and Earth Sciences, George Mason University, 4400 University Drive, Fairfax, VA 22032, (2)Department of Atmospheric, Oceanic, and Earth Sciences, George Mason University, 4400 University Drive, Fairfax, VA 22030; Department of Geology and Earth System Science Interdisciplinary Center, University of Maryland, 8000 Regents Dr, College Park, MD 20742, (3)Department of Geology and Earth System Science Interdisciplinary Center, University of Maryland, 8000 Regents Dr, College Park, MD 20742, (4)Department of Atmospheric, Oceanic, and Earth Sciences, George Mason University, Fairfax, VA 22030, (5)UCL Earth Sciences, University College London, Gower Street, London, United Kingdom, (6)Department of Geosciences and Natural Resource Managment, University of Copenhagen, Nørregade 10, 1172 København, Denmark, Copenhagen, Denmark, (7)Department of Geology and Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD 20742, (8)Department of Earth and Planetary Sciences, University of New Mexico, 221 Yale Blvd NE, Albuquerque, NM 87131
1:45 PM
THE FIRST DISASTER TAXA: VENDOTAENIDS AND THE EDIACARAN EXTINCTION
VAYDA, Prescott, CROOK, Noah and XIAO, Shuhai, Department of Geosciences, Virginia Tech, 926 West Campus Drive, Blacksburg, VA 24061
2:00 PM
LIFE AT THE LIMITS: NEW DATA FROM SOUTHWESTERN MONGOLIA SHED LIGHT ON THE ROLE OF REDOX IN THE EARLY DIVERSIFICATION OF ANIMALS IN THE CAMBRIAN
VAYDA, Prescott1, XIAO, Shuhai1, GILL, Benjamin1, HAGEN, Amy1, SMITH, Emily F.2 and LONSDALE, Mary C.2, (1)Department of Geosciences, Virginia Tech, 926 West Campus Drive, Blacksburg, VA 24061, (2)Department of Earth and Planetary Sciences, Johns Hopkins University, Baltimore, MD 21218
2:15 PM
CARBON AND SULFUR ISOTOPE RECORDS ACROSS THE CAMBRIAN SKULLROCKIAN EXTINCTION EVENT FROM LAWSON COVE, UTAH
HERMOSILLO, Natalie1, HAGEN, Amy1 and GILL, Benjamin2, (1)Department of Geosciences, Virginia Tech, 926 West Campus Drive, Blacksburg, VA 24061, (2)Department of Geosciences, Virginia Tech, Blacksburg, VA 24061
2:30 PM
ENVIRONMENTAL FACTORS INFLUENCING THE PALEOECOLOGY OF THE KEECHIE CREEK SHALE IN MINERAL WELLS PARK, TEXAS
JENNINGS, Corielle, FORCINO, Frank L., STAFFORD, Emily S. and SCHOEPFER, Shane, Geosciences & Natural Resources Department, Western Carolina University, Cullowhee, NC 28723
2:45 PM
RESULTS FROM THE TERRESTRIAL PALYNOLOGICAL RE-INVESTIGATION OF THE TYPE COON CREEK LAGERSTÄTTE, TENNESSEE, USA
LUNG, Ethan R., Craft Academy for Excellence in Science and Mathematics, Morehead State University, Morehead, KY 40351 and O'KEEFE, Jennifer M.K., Morehead State University, Department of Engineering Sciences, 150 University Blvd., Morehead, KY 40351
3:00 PM
FOSSIL FUNGAS OF THE ZHANGPU BIOTA OF SOUTHEASTERN CHINA
ALDEN, Margaret, Morehead State University, Department of Engineering Sciences, 150 University Blvd., Morehead, KY 40351 and O'KEEFE, Jennifer M.K., Department of Engineering Sciences, Morehead State University, Morehead, KY 40351
3:15 PM
THE EFFECTS OF MAMMALIAN TAPHONOMY ON THE RECONSTRUCTION OF MACROEVOLUTIONARY DYNAMICS IN DEEP TIME
CASEY, Michelle1, DARROCH, Simon A.F.2 and LEUBA, Zoe1, (1)Department of Physics, Astronomy, and Geosciences, Towson University, 8000 York Road, Towson, MD 21252, (2)Senckenberg Forschungsinstitut und Naturmuseum Frankfurt, Frankfurt, Germany
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