2008 Joint Meeting of The Geological Society of America, Soil Science Society of America, American Society of Agronomy, Crop Science Society of America, Gulf Coast Association of Geological Societies with the Gulf Coast Section of SEPM
Session No. 294 Wednesday, 8 October 2008
8:00 AM-12:00 PM, George R. Brown Convention Center: 310CF

T127. Geochemical Tracers of Changes in Seawater Chemistry (Geochemical Society; Gulf Coast Association of Geological Societies)

E. Troy Rasbury and Franco Marcantonio, Presiding
 Paper #Start Time
294-18:00 AM Behavior of Carbonate-Associated Sulfate during Meteoric Diagenesis and Implications for the Sulfur Isotope Paleoproxy: GILL, Benjamin, Dept. of Earth Sciences, University of California-Riverside, Riverside, CA 92521, bgill003@ucr.edu, LYONS, Timothy, Dept. of Earth Sciences, University of California, Riverside, CA 92521, and FRANK, Tracy, Department of Geosciences, Univ of Nebraska, Lincoln, NE 68588-0340
294-28:15 AM Contrasting Sulfur Isotope and Iron Speciation Measurements across Paleoenvironmental Gradients during the Cenomanian-Turonian Oceanic Anoxic Event (OAE2): ADAMS, Derek D., HURTGEN, Matthew T., SAGEMAN, Bradley B., and FLAUM, Jason A., Earth and Planetary Sciences, Northwestern University, 1850 Campus Drive, Evanston, IL 60208, derek-adams@northwestern.edu
294-38:30 AM Formation of Early-Cambrian Stratiform Barite Deposits in South China: YU, Hua, Earth Science Department, Rice University, 6100 Main Street, Houston, TX 77005, hy2@rice.edu, DICKENS, Gerald R., Earth Science, Rice University, Houston, TX 77005, and SNYDER, Glen, Department of Earth Science, Rice University, Houston, TX 77005
294-48:45 AM Punctuation and Stasis In the Marine Os Isotope Record, and Implications for Changing Oceanic Inputs: RAVIZZA, Greg, Geology and Geophysics, SOEST, University of Hawaii, 1680 East-West Rd, Honolulu, HI 96816, ravizza@hawaii.edu
294-59:00 AM Reorganization and Strengthening of Ocean Circulation in the Oligocene: Stable Isotopic and Trace Element Records from Western North Atlantic Intermediate Waters: KATZ, Miriam1, CRAMER, Benjamin2, FEIGENSON, Mark3, MILLER, Kenneth3, LIU, Chengjie4, ROSENTHAL, Yair5, WADE, Bridget6, and WRIGHT, James D.3, (1) Earth and Environmental Sciences, Rensselaer Polytechnic Institute, 110 8th St, Troy, NY 12180, katzm@rpi.edu, (2) Geological Sciences, University of Oregon, Department of Geological Sciences, 1272 University of Oregon, Eugene, OR 97403, (3) Dept. of Geological Sci, Rutgers University, 610 Taylor Rd, Piscataway, NJ 08854, (4) ExxonMobil Exploration Co, P.O.Box 4778, Houston, TX 77210-4778, (5) IMCS, Rutgers University, 71 Dudley Road, New Brunswick, NJ 08901, (6) Dept. of Geology & Geophysics, Texas A&M Univ, College Station, TX 77840
294-69:15 AM Secular Change In the Stable Sulfur Isotope Composition of Seawater Sulfate Inferred from Organic Sulfur In Marine-Sourced Crude Oils: ENGEL, Michael H., School of Geology and Geophysics, Univ of Oklahoma, 100 East Boyd St, Norman, OK 73019, ab1635@ou.edu and ZUMBERGE, John E., GeoMark Research, Ltd, 9748 Whithorn Drive, Houston, TX 77095
294-79:30 AM Secular Variations In the Major Ion Chemistry of Seawater: State of the Art: LOWENSTEIN, Tim K., Department of Geological Sciences and Environmental Studies, Binghamton University, Binghamton, NY 13902-6000, lowenst@binghamton.edu
294-89:45 AM The Magnesium Isotope Budget of the Modern Oceans: TIPPER, Edward T., Erdwissenschaft, ETH Zurich, Clausiusstrasse 25, Zurich, 8092, Switzerland, tipper@erdw.ethz.ch, GALY, Albert, Earth Science, University of Cambridge, Cambridge, CB23EQ, United Kingdom, GAILLARDET, Jérome, Laboratoire de Géochimie-Cosmochimie, Institut de Physique du Globe de Paris-Universit\'e Paris Diderot, 4 Place Jussieu, Paris, 75252, France, and BICKLE, Mike J., Department of Earth Sciences, Univ of Cambridge, Downing St, Cambridge, CB2 3EQ, United Kingdom
294-910:00 AM The Relationship Between 87Sr/86Sr and Seawater Chemistry: RASBURY, Troy, HOLT, William E., FRODSHAM, Aaeron, EKSTROM, Brittany, and WILSON, Janette, Geosciences, Stony Brook University, Stony Brook, NY 11794, troy.rasbury@sunysb.edu
294-1010:15 AM Unusual Ca-Rich Formation-Waters from Devonian Aquifers in Western Canada: Possible Relict Seawater?: ROSTRON, Ben J., Earth and Atmospheric Sciences, Univ of Alberta, 1-26 Earth Sciences Bldg, Edmonton, AB T6G 2E3, Ben.Rostron@UAlberta.ca

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