GSA Annual Meeting in Indianapolis, Indiana, USA - 2018

Session No. 11
Sunday, 4 November 2018: 8:00 AM-12:00 PM
Room 140 (Indiana Convention Center)

T116. New Developments in Geochemical Proxies for Paleoceanographic Research

GSA Sedimentary Geology Division; Geochemical Society; International Association of Sedimentologists; Cushman Foundation

 

Thomas J. Algeo, Jeremy D. Owens and Jennifer Morford, Advocates
Paper #
Start Time
8:00 AM
THE FIDELITY OF BENTHIC MARINE OXYGEN ISOTOPE PALEOCLIMATE PROXY RECORDS
DRUMMOND, Carl, Department of Physics, Purdue University Fort Wayne, 2101 E Colliseum Blvd, Fort Wayne, IN 46805-1499
8:15 AM
REFINEMENT OF THE CAMBRIAN SEAWATER SR ISOTOPE CURVE THROUGH LASER-ABLATION MULTICOLLETOR ICP-MS
LOMBARDO, Alexander J., Earth and Planetary Sciences, University of California, Davis, One Shields Dr, Davis, CA 95616, MONTAÑEZ, Isabel P., Earth and Planetary Sciences, University of California Davis, One Shields Dr., Davis, CA 95616, GAINES, Robert R., Geology Department, Pomona College, 185 E. 6th St, Claremont, CA 91711 and CHEN, Jitao, CAS Key Laboratory of Economic Stratigraphy and Palaeogeography, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing, 210008, China
8:30 AM
TACONIC WEATHERING AND ORDOVICIAN COOLING: TESTING THE LINK USING PAIRED SR AND ND ISOTOPES, ANTELOPE VALLEY, CENTRAL NV
CONWELL, Christopher T.1, SALTZMAN, Matthew R.2 and GRIFFITH, Elizabeth M.1, (1)School of Earth Sciences, The Ohio State University, Mendenhall Laboratory, 125 S Oval Mall, Columbus, OH 43210, (2)School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 S Oval Mall, Columbus, OH 43210
8:45 AM
LITHIUM ISOTOPE COMPOSITIONS OF MODERN AND FOSSIL CENOZOIC BRACHIOPODS
WASHINGTON, Kirstin E.1, WEST, A. Joshua1, PLANAVSKY, Noah J.2, KATCHINOFF, Joachim A.2, KALDERON-ASAEL, Boriana2, STEVENSON, Emily I.3 and PORTELL, Roger W.4, (1)Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089, (2)Department of Geology and Geophysics, Yale University, 210 Whitney Ave, New Haven, CT 06511, (3)Department of Earth Sciences, University of Cambridge, Cambridge, CB2 3EQ, United Kingdom, (4)Florida Museum of Natural History, University of Florida, Gainesville, FL 32611
9:00 AM
OCEANOGRAPHY OF THE WESTERN INTERIOR SEAWAY DURING OAE 2 USING ND ISOTOPES
BATENBURG, Sietske J.1, DICKSON, Alex J.2, KELSEY, Benjamin S.1, ELDRETT, James3, O'CONNOR, Lauren K.1, PERCIVAL, Lawrence M.E.4, ROBINSON, Stuart1 and JENKYNS, Hugh C.1, (1)Department of Earth Sciences, University of Oxford, South Parks Road, Oxford, OX1 3AN, United Kingdom, (2)Department of Earth Sciences, Royal Holloway University of London, Egham, TW20 0EX, United Kingdom, (3)Shell International Exploration and Production, Kesslerpark 1, Rijswijk, 2288 GS, Netherlands, (4)Institute of Earth Sciences, University of Lausanne, Geopolis, Lausanne, 1015, Switzerland
9:15 AM
DEVELOPING IODINE PROXY FOR PALEOCEANOGRAPHIC RECONSTRUCTIONS OF REDOX CONDITIONS IN DEEP TIME (Invited Presentation)
LU, Zunli, Department of Earth Sciences, Syracuse University, 204 Heroy Geology Laboratory, Syracuse, NY 13244
9:30 AM
A NOVEL TRACER METHOD TO PROVIDE PRINCIPAL CONSTRAINTS ON SEAWATER IODINE REDOX CHEMISTRY
HARDISTY, Dalton, Earth and Environmental Sciences, Michigan State University, 288 Farm Lane, East Lansing, MI 48824
9:45 AM
INVESTIGATING REDOX CONDITIONS AND MECHANISMS FOR THE END ORDOVICIAN (HIRNANTIAN) MASS EXTINCTION: A WESTERN LAURENTIA PERSPECTIVE
KOZIK, Nevin P.1, YOUNG, Seth A.2, GILL, Benjamin C.3 and OWENS, Jeremy D.2, (1)Department of Earth, Ocean and Atmospheric Sciences, Florida State University, 600 W College Ave, Tallahassee, FL 32306, (2)Department of Earth, Ocean, and Atmospheric Sciences, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL 32306, (3)Department of Geosciences, Virginia Polytechnic Institute and State University, 4044 Derring Hall, Blacksburg, VA 24061
10:00 AM
DYNAMIC LOCAL AND GLOBAL MARINE REDOX CONDITIONS DURING AN EARLY SILURIAN EXTINCTION (IREVIKEN EVENT): GEOCHEMICAL EVIDENCE FROM LAURENTIA
YOUNG, Seth A.1, KLEINBERG, Andrew2 and OWENS, Jeremy D.1, (1)Department of Earth, Ocean, and Atmospheric Sciences, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL 32306, (2)Department of Earth, Ocean, and Atmospheric Sciences, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL 32306; Department of Earth, Ocean, and Atmospheric Sciences, National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32306
10:15 AM
TWO EPISODES OF EXTENSIVE MARINE ANOXIA DURING THE PERMIAN-TRIASSIC BOUNDARY RECORDED BY URANIUM ISOTOPES IN MARINE DOLOMITE
ZHANG, Feifei1, CUI, Ying2, ZHANG, Hua3, KRAINER, Karl4, SHEN, Shuzhong3 and ANBAR, Ariel D.5, (1)Department of Geology and Geophysics, Yale University, New Haven, CT 06511, (2)Department of Earth Sciences, Dartmouth College, Hanover, NH 03755, (3)State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, 39 East Beijing Road, Nanjing, 210008, China, (4)Institute for Geology and Paleontology, University of Innsbruck, Inrain 52, Innsbruck, Austria, (5)Center for Education Through eXploration, Arizona State University, Tempe, AZ 85284
10:30 AM
LOWER TRIASSIC CARBONATE δ238U RECORD DEMONSTRATES EXPANDED OCEAN ANOXIA DURING SMITHIAN THERMAL MAXIMUM AND IMPROVED VENTILATION DURING SMITHIAN-SPATHIAN BOUNDARY COOLING EVENT
ZHAO, He1, ZHANG, Feifei2, ALGEO, Thomas J.3, CHEN, ZhongQiang4, LIU, Yongsheng4, HU, Zhaochu5, LI, Ziheng1, ROMANIELLO, Stephen J.2 and ANBAR, Ariel D.6, (1)State Key Laboratory of Geological Processes and Minerals Resources, China University of Geoscience, Wuhan, 430074, China, (2)School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, (3)Geology, University of Cincinnati, Cincinnati, OH 45221, (4)State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences (Wuhan), Wuhan, 430074, China, (5)State Key Laboratory of Geological Processes and Mineral Resources, China Geosciences University, Wuhan, Wuhan, 430074, China, (6)School of Earth and Space Exploration, Arizona State University, PO Box 871404, Tempe, AZ 85287-1404
10:45 AM
BARIUM-ISOTOPIC PROXIES IN PALEOCEANOGRAPHY: PROGRESS, POTENTIAL, AND PITFALLS (Invited Presentation)
HORNER, Tristan J., Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, 266 Woods Hole Road, Woods Hole, MA 02543
11:00 AM
ARE OAES ACTUALLY CBES? EVIDENCE OF MARINE ANOXIA THROUGH THE EYES OF A NOVEL METAL ISOTOPE
THEM II, Theodore R.1, GILL, Benjamin C.2, CARUTHERS, Andrew H.3, GRÖCKE, Darren R.4, MARROQUÍN, Selva M.2, TRABUCHO-ALEXANDRE, João P.5 and OWENS, Jeremy D.6, (1)Department of Geology and Environmental Geosciences, College of Charleston, Charleston, SC 29424, (2)Department of Geosciences, Virginia Polytechnic Institute and State University, 4044 Derring Hall, Blacksburg, VA 24061, (3)Department of Geological and Environmental Sciences, Western Michigan University, 1903 W. Michigan Ave, Kalamazoo, MI 49008-5241, (4)Department of Earth Sciences, University of Durham, Science Labs, Durham, DH1 3LE, United Kingdom, (5)Institute of Earth Sciences, Utrecht University, Budapestlaan 4, Utrecht, 3584 CD, Netherlands, (6)Department of Earth, Ocean, and Atmospheric Sciences, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL 32306
11:15 AM
MG ISOTOPE SYSTEMATICS DURING EARLY DIAGENETIC ARAGONITE-CALCITE TRANSITION
HE, Ran1, NING, Meng2, HUANG, Kang-Jun3 and SHEN, Bing2, (1)School of Earth Sciences and Resource, China University of Geosciences, Beijing, #29, Xueyuan Road, Haidian district, Beijing, Beijing, 100083, China, (2)School of Earth and Space Sciences, Peking University, Beijing, 100871, China, (3)Department of Geology, Northwest University, Xi'an, 710069, China
11:30 AM
ISOTOPIC FRACTIONATION AND CLUMPING IN THE CO2 HYDRATION AND HYDROXYLATION REACTIONS: EVALUATING THE INFLUENCE OF HYDROGEN-BONDING VIA QUANTUM MECHANICAL CALCULATIONS
BOETTGER, Jason D., Department of Geosciences, The Pennsylvania State University, University Park, PA 16802 and KUBICKI, James D., Geological Sciences, University of Texas at El Paso, 500 W. University Ave, El Paso, TX 79968
11:45 AM
SHORT OXYGENATION EVENTS IN A TOXIC CAMBRIAN OCEAN ALLOWED FOR EARLY ANIMAL INVASIONS
DAHL, Tais W.1, RASMUSSEN, Bo Wilhelm1, SCHOVSBO, Niels1, SIGGAARD-ANDERSEN, Marie-Louise1, KJAER, Kurt H.2, PERSSON, Daniel Olof3, HUSTED, Søren3 and NIELSEN, Arne4, (1)Natural History Museum of Denmark, University of Copenhagen, Oster Voldgade 5-7, Copenhagen K, 1350, Denmark, (2)Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, Copenhagen, DK-1350, Denmark, (3)University of Copenhagen, PLEN, Thorvaldsensvej 40, Frederiksberg, 1871, Denmark, (4)Institute for Geoscience, Copenhagen University, Copenhagen, 1350, Denmark
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