GSA Annual Meeting in Denver, Colorado, USA - 2016

Session No. 288
Wednesday, 28 September 2016: 8:00 AM-12:00 PM
Mile High Ballroom 3C (Colorado Convention Center)

T143. The Early Paleozoic World: Radiations, Extinctions, and Paleoenvironmental Change II

Paleontological Society; Paleontological Research Institution
Matt Saltzman, Stephen Leslie and Erik A. Sperling, Advocates
8:00 AM
TRANSFORMATION OF BRACHIOPOD COMMUNITY STRUCTURE AND MORPHOLOGICAL TRENDS DURING THE GREAT ORDOVICIAN BIODIVERSIFICATION EVENT IN OKLAHOMA
TRUBOVITZ, Sarah, Department of Geological Sciences, Ohio University, 316 Clippinger Lab, Athens, OH 45701 and STIGALL, Alycia L., Department of Geological Sciences and Ohio Center for Ecology and Evolutionary Studies, Ohio University, 316 Clippinger Lab, Athens, OH 45701, sarbovitz@gmail.com
8:15 AM
NEODYMIUM (ND) AND STRONTIUM (SR) ISOTOPE EVIDENCE FOR WEATHERING OF ARC VOLCANICS DURING THE ORDOVICIAN GREENHOUSE-ICEHOUSE TRANSITION
SALTZMAN, Matthew R.1, EDWARDS, Cole T.2, LESLIE, Stephen A.3, MILLS, Benjamin J.4, LENTON, Timothy M.5 and WILLIAMS, Josh5, (1)School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210, (2)Department of Geology, Appalachian State University, ASU Box 32067, Boone, NC 28608, (3)Department of Geology and Environmental Sciences, James Madison University, MSC 6903, Harrisonburg, VA 22807, (4)School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom, (5)College of Life and Environmental Sciences, University of Exeter, Laver Building (Level 7), North Parks Road, Exeter, EX4 4QE, United Kingdom, saltzman.11@osu.edu
8:30 AM
TACONIC LOW-LATITUDE ARC-CONTINENT COLLISION AS A DRIVER FOR ORDOVICIAN COOLING
MACDONALD, Francis A., Department of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138 and SWANSON-HYSELL, Nicholas L., Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720, fmacdon@fas.harvard.edu
8:45 AM
FURTHER EVIDENCE FOR A LONG-LIVED ORDOVICIAN ICEHOUSE CLIMATE SUGGESTS ALTERNATIVE KILL MECHANISMS FOR THE END-ORDOVICIAN MASS EXTINCTIONS
VANDENBROUCKE, Thijs R.A.1, HYLEBOS, Alexis1, POHL, Alexandre2, SADLER, Peter3, DONNADIEU, Yannick4, LE HIR, Guillaume5, SABBE, Koen6, WILLIAMS, Mark7, GHIENNE, Jean-François8, DE WEIRDT, Julie1, MCLAUGHLIN, Patrick I.9 and EMSBO, Poul10, (1)Department of Geology, Ghent University, Krijgslaan 281 / S8, Ghent, 9000, Belgium, (2)Laboratoire des Sciences du Climat et de l'Environnement (LSCE), L'Orme des Merisiers, Batiment 701, Gif-sur-Yvette, 91191, France, (3)Department of Earth Sciences, University of California, Riverside, Riverside, CA 92521, (4)Cnrs, Laboratoire des Sciences du Climat et de l'Environnement (LSCE), L'Orme des Merisiers, Batiment 701, Gif-sur-Yvette, 91191, France, (5)Institut de physique du globe de Paris, 1 rue jussieu, Paris, 75005, France, (6)Department of Biology, Ghent University, Krijgslaan 281 / S8, Gent, 9000, Belgium, (7)Department of Geology, University of Leicester, University Road, Leicester, LE17RH, United Kingdom, (8)Institut de Physique du Globe de Strasbourg, UMR7516 CNRS, Université de Strasbourg / CNRS, 1 rue Blessig, Strasbourg, 67084, France, (9)Indiana Geological Survey, Indiana University, 611 N. Walnut Grove, Bloomington, IN 47405, (10)USGS, P.O. Box 25046, MS 973, Denver Federal Center, Denver, CO 80225, thijs.vandenbroucke@ugent.be
9:00 AM
RECONSIDERING ORDOVICIAN AND SILURIAN CARBON CYCLE PERTURBATIONS AND EXTINCTION EVENTS (Invited Presentation)
FINNEGAN, Seth, Department of Integrative Biology and Museum of Paleontology, University of California, Berkeley, Valley Life Sciences Building, Berkeley, CA 94720-4780, sethf@berkeley.edu
9:20 AM
A MODEL FOR THE DECREASE IN AMPLITUDE OF CARBON ISOTOPE EXCURSIONS THROUGHOUT THE PHANEROZOIC
BACHAN, Aviv1, LAU, Kimberly V.1, SALTZMAN, Matthew R.2, THOMAS, Ellen3, KUMP, Lee R.4 and PAYNE, Jonathan L.5, (1)Department of Geological Sciences, Stanford University, 450 Serra Mall, Building 320, Stanford, CA 94305, (2)School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210, (3)Geology and Geophysics and Department of Earth and Environmental Sciences, Yale University and Wesleyan University, P O Box 208109, New Haven, CT 06520-8109, (4)Department of Geosciences, Pennsylvania State University, University Park, PA 16802, (5)Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Bldg. 320, Stanford, CA 94305, avivbd@stanford.edu
9:35 AM
ORGANIC AND CARBONATE CARBON BURIAL THROUGH EARTH’S HISTORY
PLANAVSKY, Noah J., Department of Geology and Geophysics, Yale University, 210 Whitney Avenue, New Haven, CT 06511, BOLTON, Edward W., Department of Geology and Geophysics, Yale University, New Haven, CT 06520-8109 and REINHARD, Christopher T., Georgia Tech, Atlanta, GA 30332, noah.planavsky@yale.edu
 
9:50 AM
Break
10:05 AM
EXTINCTION IN THE ORDOVICIAN-SILURIAN GRAPTOLOID CLADE: RATE, SELECTIVITY, AND DRIVERS
CRAMPTON, James S., School of Geography, Environment and Earth Sciences, Victoria University of Wellington, PO 600, Wellington, 6140, New Zealand; GNS Science, P.O. Box 30-368, Lower Hutt, 5040, New Zealand, COOPER, Roger A., GNS Science, P.O. Box 30-368, Lower Hutt, 5010, New Zealand, SADLER, Peter, Department of Earth Sciences, University of California, Riverside, CA 92521 and FOOTE, Michael, Department of the Geophysical Sciences, University of Chicago, 5734 South Ellis Avenue, Chicago, IL IL 60637, j.crampton@gns.cri.nz
10:20 AM
INTEGRATED HIGH-RESOLUTION BIOCHEMOSTRATIGRAPHY OF THE SCHLAMER #1 DRILL CORE, SOUTHERN ILLINOIS, USA: MARINE REDOX CYCLING DURING THE IREVIKEN AND MULDE POSITIVE CARBON ISOTOPE EXCURSIONS
CRAMER, Bradley D.1, MCADAMS, Neo E.B.1, BANCROFT, Alyssa Marie1, BANDY, Terryl L.1 and DEVERA, Joseph2, (1)Department of Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242, (2)Illinois State Geological Survey, Prairie Research Institute, University of Illinois, 5776 Coal Drive, Suite 121, Carterville, IL 62918, bradley-cramer@uiowa.edu
10:35 AM
MULTI-BASIN CARBON ISOTOPE CORRELATION OF THE IREVIKEN, MULDE AND LAU EXCURSIONS (EASTERN NORTH AMERICA): A COMPREHENSIVE SEQUENCE STRATIGRAPHIC SYNTHESIS
MCLAUGHLIN, Patrick I., Indiana Geological Survey, Indiana University, 611 N. Walnut Grove, Bloomington, IN 47405, EMSBO, Poul, USGS, P.O. Box 25046, MS 973, Denver Federal Center, Denver, CO 80225, BRETT, Carlton E., Department of Geology, Univ of Cincinnati, 500 Geology/Physics Bldg, Cincinnati, OH 45221-0013, BANCROFT, Alyssa Marie, Department of Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242 and VANDENBROUCKE, Thijs R.A., Department of Geology, Ghent University, Krijgslaan 281 / S8, Ghent, 9000, Belgium, pimclaug@iu.edu
10:50 AM
BRINE EXPULSIONS TO PALEOZOIC BASINS: TRIGGER OF CATASTROPHIC GLOBAL CHANGE
EMSBO, Poul1, MCLAUGHLIN, Patrick I.2, MANNING, Andrew H.3, PREMO, Wayne R.4, NEYMARK, Leonid A.5, BRETT, Carlton E.6, VANDENBROUCKE, Thijs R.A.7, BRUNTON, Frank R.8, BARRICK, James E.9, BREIT, George N.10, MUNNECKE, Axel11, EMMONS, Matthew P.12 and DU BRAY, Edward A.4, (1)USGS, P.O. Box 25046, MS 973, Denver Federal Center, Denver, CO 80225, (2)Indiana Geological Survey, Indiana University, 611 N. Walnut Grove, Bloomington, IN 47405, (3)U.S. Geological Survey, P.O. Box 25046, Mail Stop 973, Denver, CO 80225, (4)U.S. Geological Survey, Denver, CO 80225, (5)U.S. Geological Survey, Central Mineral and Environmental Resources Science Center, Box 25046 Denver Federal Center, MS-973, Denver, CO 80225, (6)Department of Geology, University of Cincinnati, Cincinnati, OH 45221, (7)Department of Geology, Ghent University, Krijgslaan 281 / S8, Ghent, 9000, Belgium, (8)Ontario Geological Survey, 933 Ramsey Lake Road, Sudbury, ON P3E 6B5, Canada, (9)Dept. of Geosciences, Texas Tech Univ, Lubbock, TX 79409-1053, (10)United States Geological Survey, Denver Federal Center, MS-964, Denver, CO 80225, (11)GeoZentrum Nordbayern, Fachgruppe Paläoumwelt, Universität Erlangen-Nürnberg, Loewenichstrasse 28, Erlangen, D-91054, Germany, (12)U.S. Geological Survey, Box 25046, MS963, Denver Federal Center, Denver, CO 80225-0046, pemsbo@usgs.gov
11:05 AM
THE IREVIKEN AND MULDE (SILURIAN, WENLOCK) POSITIVE CARBON ISOTOPE EXCURSIONS IN THE ILLINOIS BASIN, SOUTHERN ILLINOIS
MCADAMS, Neo E.B.1, CRAMER, Bradley D.1, BANCROFT, Alyssa Marie1, BANDY, Terryl L.1, DAY, Jed2 and DEVERA, Joseph3, (1)Department of Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242, (2)Geography & Geology, Illinois State University, Campus Box 4400, Normal, IL 61790-4400, (3)Illinois State Geological Survey, Prairie Research Institute, University of Illinois, 5776 Coal Drive, Suite 121, Carterville, IL 62918, neo-buengermcadams@uiowa.edu
11:20 AM
PRELIMINARY BIOCHEMOSTRATIGRAPHY OF THE MULDE INTERVAL (HOMERIAN), WAYNE FORMATION, TENNESSEE, USA
DANIELSEN, Erika M. and CRAMER, Bradley D., Department of Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242, erika-danielsen@uiowa.edu
11:35 AM
DEPOSITIONAL CONTROLS ON THE EXTINCTION OF NORTH AMERICAN SILURIAN TRILOBITE ASSOCIATIONS: AN ANALOG TO MIDDLE CAMBRIAN-EARLY ORDOVICIAN BIOMERES
MIKULIC, Donald G., University of Illinois, 615 E. Peabody Dr, Champaign, IL 61820-6964 and KLUESSENDORF, Joanne, Weis Earth Science Museum, University of Wisconsin-Fox Valley, 1478 Midway Road, Menasha, WI 54952, mikulic@illinois.edu
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