230 Paleozoic Oceanographic and Climatic Changes: Evidence from Seawater Geochemistry and Sedimentology Records I

Oral Session
Topical Sessions


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Tuesday, 7 October 2008: 8:00 AM-12:00 PM
George R. Brown Convention Center, 361DE

Ganqing Jiang and Uwe Brand
8:00 AM
Introductory Remarks
8:15 AM
Isotope Record of Phanerozoic Seawater
Ján Veizer, University of Ottawa
8:35 AM
Geochemical Evidence for Widespread Reducing Ocean during the Middle to Late Cambrian
Benjamin Gill, University of California-Riverside; Timothy Lyons, University of California; Seth Young, Indiana University; Lee Kump, Penn State Univ; Matthew R. Saltzman, The Ohio State University
8:55 AM
Organic Carbon Isotope Evidence for Neoproterozoic Postglacial Methane Hydrate Destabilization
Ganqing Jiang, University of Nevada; Xinqiang Wang, University of Nevada; Shihong Zhang, China University of Geosciences; Xiaoying Shi, China University of Geosciences; Jin Dong, China University of Geosciences
9:10 AM
A Significant Change of the Carbon Cycle through the Pc/C Boundary to Early Cambrian: Evidence from the C-Isotopic Records of a Drilling Core in Three Gorges Area, S China
Tomoko Ishikawa; Yuichro Ueno, Global Edge Istitute, Tokyo Institute of Technology; Tsuyoshi Komiya; Degan Shu; Yong Li; Naohiro Yoshida; Shigenori Maruyama
9:25 AM
Carbon Isotope Fractionation in the Early Cambrian Ocean
Xinqiang Wang, University of Nevada; Ganqing Jiang, University of Nevada; Xiaoying Shi, China University of Geosciences; Jin Dong, China University of Geosciences; Shihong Zhang, China University of Geosciences
9:55 AM
10:10 AM
The Impact of Ordovician Climate Change on the Carbonate Facies of the East Baltic (Estonia and northwest Russia)
Mark Harris, Univ of Wisconsin; Leho Ainsaar, Univ of Tartu; Andrei Dronov, Russian Academy of Sceinces
10:25 AM
Investigating the Timing of Late Ordovician Cooling and Glaciation Using Oxygen Isotopes of Conodont Apatite
Maya Elrick, University of New Mexico; Mark Tyra, University of New Mexico; Stephen Leslie, James Madison University; Viorel Atudorei, University of New Mexico
10:40 AM
Redox Cycling In the Greenhouse Ocean: Exploring Rapid Sulfur Isotope Variation In the Middle Ordovician
Cara K. Thompson, University of Tennessee; Linda C. Kah, University of Tennessee
10:55 AM
The Sedimentary Legacy of the Early Silurian Iriviken Excursion in the Appalachian and Baltic Basins: Cyclothems, Bioherms, and Authigenic Mineralization
Patrick McLaughlin, Wisconsin Geological and Natural History Survey; Carlton E. Brett, University of Cincinnati; Bradley D. Cramer, The Ohio State University
11:10 AM
Late Paleozoic Climate History Based on Oxygen Isotopes of Biogenic Apatite
Michael M. Joachimski, University of Erlangen-Nuremberg; Werner Buggisch, University of Erlangen-Nuremberg; Stephan Breisig, University of Erlangen-Nuremberg
11:25 AM
Linking the Terrestrial and Marine Biogeochemical Cycles of Nitrogen and Phosphorus in the Late Frasnian Appalachian Basin
Michael L. Tuite Jr, University of Virginia; Stephen Macko, University of Virginia
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