Geological Society of America

8:05 AM

DEVELOPMENT OF A PAIRED KEROGEN-PYRITE SULFUR ISOTOPE PROXY TO TRACK MARINE BIOGEOCHEMICAL CYCLING

Selva Marroquín, University of Wisconsin - Madison, Madison, WI and Alex L. Sessions, Caltech, Pasadena, CA

403233 (Technical Sessions)

8:20 AM

CONSTRAINTS ON LAKE EVAPORATION AND ASSOCIATED KINETIC ISOTOPE FRACTIONATION VIA WATER VAPOR AND VAPOR ISOTOPE MASS BALANCE

Tyler Huth, Washington University, St. Louis, MO and Bronwen Konecky, Washington University, St. Louis, MO and Jack Hutchings, Washington University, St. Louis, MO and Kelly Deuerling, University of Nebraska Omaha, Omaha, NE and Tara Kneeshaw, Grand Valley State University, Allendale, MI and Justin Peschman, University of Wisconsin-Milwaukee, Milwaukee, WI and Tiffani Wilke, Northwestern Michigan College, Traverse City, MI and Ian Z. Winkelstern, Grand Valley State University, Allendale, MI and Shangping Xu, University of Wisconsin-Milwaukee, Milwaukee, WI

402019 (Technical Sessions)

8:35 AM

CARBONATE CLUMPED ISOTOPES OF ARAGONITIC FOSSILS FROM THE LATE CRETACEOUS WESTERN INTERIOR SEAWAY AND THE ROLE OF BOND REORDERING IN SIGNAL PRESERVATION

Yang Gao, Stony Brook University, Stony Brook, NY and J. Kirk Cochran, Stony Brook University, Stony Brook, NY and Neil Landman, American Museum of Natural History, New York, NY and Gregory Henkes, Stony Brook University, Stony Brook, NY

403286 (Technical Sessions)

8:55 AM

EXPLORATION OF MARINE DEOXYGENATION USING CYCLING OF CARBON AND THALLIUM DURING THE LATE DEVONIAN EXTINCTIONS ACROSS THE APPALACHIAN BASIN

Tara Putri, Virginia Tech, Blacksburg, VA and Benjamin Gill, Virginia Tech, Blacksburg, VA and Matthew A. LeRoy, Virginia Tech, Blacksburg, VA and Jeremy Owens, Florida State University, Tallahassee, FL and Geoffrey Gilleaudeau, Arizona State University, Tempe, AZ and Mariano Remirez, George Mason University, Fairfax, OH

403521 (Technical Sessions)

9:10 AM

THALLIUM ADSORPTION ONTO NATURAL MANGANESE OXIDES: A COMPARISON WITH SYNTHESIZED ANALOGS

Yi Wang, Tulane University, New Orleans, LA and Gabriela Farfan, Smithsonian Institution, Edgewater, MD and Colleen Hansel, Woods Hole Oceanographic Institution, Woods Hole, MA and Sune G. Nielsen, Woods Hole Oceanographic Institution, Woods Hole, MA

403931 (Technical Sessions)

9:55 AM

URANIUM ISOTOPE EVIDENCE FOR WELL-OXYGENATED OCEANS IMMEDIATELY PRIOR TO THE END-CRYOGENIAN MARINOAN GLACIATION

Geoffrey Gilleaudeau, George Mason University, Fairfax, VA and Tian Gan, George Mason University, Fairfax, VA and Alyssa Knott, University of Maryland, College Park, MD and Alan Kaufman, University of Maryland, College Park, MD

404676 (Technical Sessions)

10:15 AM

INTENSE CONTINENTAL CHEMICAL WEATHERING DURING THE EDIACARAN SHURAM EXCURSION

Tian Gan, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, Guizhou and Tian Gan, University of Maryland, College Park, MD and Tian Gan, George Mason University, Fairfax, VA and Geoffrey Gilleaudeau, George Mason University, Fairfax, VA and Matthew Pedersen, University of Maryland, College Park, College Park, MD and Andrew Doerrler, University of Maryland, College Park, MD and Vadim Maximenko, Trofimuk Institue of Petroleum Geology and Geophysics, Novosibirsk and Dmitriy Grazhdankin, Trofimuk Institute of Petroleum Geology and Geophysics, Novosibirsk, N/A and Shuhai Xiao, Virginia Tech, Blacksburg, VA and Alan Kaufman, University of Maryland, College Park, MD and Alan Kaufman, University of Maryland-College Park, College Park, MD

404983 (Technical Sessions)

10:30 AM

MERCURY CONTENT AND STABLE ISOTOPE COMPOSITION FROM EDIACARAN DOUSHANTUO FORMATION BLACK SHALES SUGGEST DYNAMIC ENVIRONMENTAL CONDITIONS INCLUDING PHOTIC ZONE EUXINIA AND DYNAMIC MERCURY SOURCES

Morrison Nolan, Denison University, Granville, OH and Shuhai Xiao, Virginia Tech, Blacksburg, VA and Benjamin Gill, Virginia Tech, Blacksburg, VA and Rachel Reid, Virginia Tech, Blacksburg, VA and David S. Jones, Amherst College, Amherst, MA and Jiubin Chen, School of Earth System Science, Tianjin University, Tianjin and Wang Zheng, School of Earth System Science, Tianjin University, Tianjin and Chuanming Zhou, Nanjing Institute of Geology, Palaeontology, and Center for Excellence in Life and Palaeoenvironment Chinese Academy of Sciences, Nanjing and Swapan Sahoo, Equinor USA, Houston

403707 (Technical Sessions)

10:45 AM

[T32] FROM SOURCE ROCK TO CINNABAR – HOW THE GIANT MERCURY DEPOSITS IN EARTH’S CRUST FORMED

L. Bryndzia, Houston, TX

401957 (Technical Sessions)

T3 Advances in Nontraditional Stable Isotope Measurements and Utility as Proxies in Modern and Paleo-Settings

Presentations