Southeastern Section - 74th Annual Meeting - 2025

Session No. 1
Thursday, 20 March 2025: 8:00 AM-10:00 AM
Alleghany A (Hotel Madison & Shenandoah Valley Conference Center)

T20. Biogeochemical Cycling of Elements at the Earth’s Surface Across Space and Time

GSA Geobiology and Geomicrobiology Division; GSA Geochronology Division; GSA Sedimentary Geology Division; GSA Geology and Health Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Soils and Soil Processes Division

 

Justin Richardson, Margaret-Anne Hinkle and James M. Kaste, Advocates
Paper #
Start Time
1-1
8:00 AM
GEOCHEMICAL CHARACTERIZATION OF PLIO-PLEISTOCENE PALEOSOLS IN THE BTB-13 CORE BARINGO, KENYA
PETROV, Victor, Department of Geology and Environmental Science, James Madison University, Harrisonburg, VA 22807-1004, LUKENS, William E., Department of Geology and Environmental Science, James Madison University, Harrisonburg, VA 22807, RAFTER, Madison, Department of Earth and Environmental Sciences, University of Minnesota, 116 Church St SE, Minneapolis, MN 55455, BEVERLY, Emily J., Department of Earth and Environmental Sciences, University of Minnesota, Minneapolis, MN 55455 and KINGSTON, John D., Department of Anthropology, University of Michigan, 101 West Hall, 1085 S. University Ave, Ann Arbor, MI 48109-1107
1-2
8:15 AM
MIDDLE MIOCENE PRECIPITATION SEASONALITY IN DERBYSHIRE, UK BASED ON STABLE CARBON ISOTOPE PROFILES IN FOSSIL WOOD
PETERMAN, Samuel, Department of Geology and Environmental Science, James Madison University, Harrisonburg, VA 22807-1004, LUKENS, William E., Department of Geology and Environmental Science, James Madison University, Harrisonburg, VA 22807, SCHUBERT, Brian A., School of Geosciences, University of Louisiana at Lafayette, Lafayette, LA 70504 and POUND, Matthew J., Department of Geography and Environmental Sciences, Northumbria University, Newcastle upon Tyne, NE1 8ST, United Kingdom
1-3
8:30 AM
WHAT A SPREAD! ISOTOPIC VARIABILITY SUGGESTS DEPOSITION OF NON-LOCAL LATE HOLOCENE SKELETAL MATERIAL IN A TROPICAL CAVE.
HENSLEY, Andrew, Geoscience, University of Cincinnati, University of Cincinnati, 500 Geology Physics Building, Cincinnati, OH 45221-0013, CROWLEY, Brooke E., Geoscience, University of Cincinnati, University of Cincinnati, 500 Geology Physics Building, Cincinnati, OH 45221-0013; Anthropology, University of Cincinnati, Cincinnati, OH 45221-0380 and COOKE, Siobhán B., Center for Functional Anatomy and Evolution, Johns Hopkins University School of Medicine, 1830 E Monument Street, Room 305, Baltimore, MD 21205
1-4
8:45 AM
EARLY MIOCENE VEGETATION RECONSTRUCTION USING BULK ORGANIC MATTER AND PEDOGENIC CARBONATE ISOTOPE ANALYSIS FROM MORUOROT, WEST TURKANA, KENYA
VENTERS, Ana1, LUKENS, William E.1, PEPPE, Daniel J.2, COTE, Susanne3 and ROSSIE, James B.4, (1)Department of Geology and Environmental Science, James Madison University, Harrisonburg, VA 22807, (2)Department of Geosciences, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, (3)Department of Anthropology and Archaeology, University of Calgary, Calgary, AB 2N 1N4, Canada, (4)Department of Anthropology, Stony Brook University, Stony Brook, NY 11794
1-5
9:00 AM
THE NEOGENE-QUATERNARY HISTORY OF C4 GRASSLANDS AND SAVANNAS IN NORTH AMERICA: INSIGHTS FROM STABLE ISOTOPE PROXIES
LUKENS, William E., Department of Geology and Environmental Science, James Madison University, Harrisonburg, VA 22807 and FOX, David L., Department of Earth Sciences, University of Minnesota, Minneapolis, MN 55455
1-6
9:15 AM
COMPARING NUTRIENT VS TOXIC ELEMENT BIOGEOCHEMISTRY IN MID-ATLANTIC AND NEW ENGLAND FORESTS – SIMILARITIES ABOVEGROUND BUT DIFFERENCES BELOWGROUND
RICHARDSON, Justin, Department of Environmental Sciences, University of Virginia, 291 McCormick Rd, Charlottesville, VA 22904
1-7
9:30 AM
TESTING LEACHING PROTOCOLS TO REMOVE SEAWATER ALTERATION FROM BASALTS.
ANDERSON, Stephanie1, BIZIMIS, Michael1, KONRAD, Kevin2 and BALBAS, Andrea2, (1)School of the Earth, Ocean and Environment, University of South Carolina, Columbia, SC 29208, (2)College of Earth, Ocean and Atmospheric Sciences, Oregon Sate University, Corvallis, OR 97331
1-8
9:45 AM
UNCHARTED SINKS WITHIN THE MARINE RE AND OS CYCLE: ADSORPTION BY HYDROTHERMAL PLUMES
HOLLOWAY, Sarah1, ROONEY, Alan2, WILLIAMS, Jackson1 and SYVERSON, Drew1, (1)University of North Carolina at Charlotte, 9201 University City Blvd, Charlotte, NC 28223, (2)Department of Earth & Planetary Sciences, Yale University, 210 Whitney Ave., New Haven, NC 06511
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