2004 Denver Annual Meeting (November 7–10, 2004)

Session No. 235
Wednesday, 10 November 2004: 1:30 PM-5:30 PM

T47. Ocean Chemistry through the Precambrian and Paleozoic II

GSA Sedimentary Geology Division

 

Matthew R. Saltzman and Mike Pope, Advocates
Paper #
Start Time
1
1:30 PM
A MODEL FOR CALCIUM, MAGNESIUM AND SULFATE IN SEAWATER OVER PHANEROZOIC TIME
BERNER, Robert A., Geology and Geophysics, Yale Univ, New Haven, CT 06520-8109, robert.berner@yale.edu, robert.berner@yale.edu
2
1:45 PM
CONSTRUCTION OF SECULAR SEAWATER SR ISOTOPE CURVES: COMPARISON OF 87SR/86SR ANALYSIS BY LASER ABLATION MULTICOLLECTOR ICP-MS AND TIMS
MONTANEZ, Isabel P., Dept. of Geology, Univ. of California, Davis, CA 95616, YIN, Qingzhu, Dept.. of Geology, Univ. of California, Davis, Davis, CA 95616, BATT, Liselle, Dept. of Geology, Univ. of Idaho, Moscow, 83844, ISAACSON, Peter E., Geological Sciences, Univ. of Idaho, Moscow, ID 83844-3022 and POPE, Mike, Department of Geology, Washington State Univ, Webster Hall 1228, Pullman, WA 99164-2812, montanez@geology.ucdavis.edu, montanez@geology.ucdavis.edu
3
2:00 PM
CARBON-ISOTOPE STRATIGRAPHY OF THE MOROCCAN ANTI-ATLAS: EARLY CAMBRIAN CARBON CYCLING AND THE IMPORTANCE OF PHYSICALLY BUFFERED METAZOA
MALOOF, Adam C.1, SCHRAG, Daniel P.2, CROWLEY, James1 and BOWRING, Samuel A.1, (1)Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139-4307, (2)Dept. Earth and Planetary Sciences, Harvard Univ, 20 Oxford St, Cambridge, MA 02138-2902, maloofa@mit.edu, maloofa@mit.edu
4
2:15 PM
A NEW CARBON ISOTOPE CURVE FOR THE EARLY CAMBRIAN SEKWI FORMATION, SELWYN BASIN, NORTHWEST TERRITORIES, CANADA
DILLIARD, Kelly A., Department of Geology, Washington State Univ, Pullman, WA 99164-2812, POPE, Michael C., Geology, Washington State Univ, Pullman, WA 99164, HASIOTIS, Stephen T., Department of Geology, The Univ of Kansas, 1475 Jayhawk Blvd, 120 Lindley Hall, Lawrence, KS 66045-7613 and LIEBERMAN, Bruce S., Department of Geology, University of Kansas, Lindley Hall, 1475 Jayhawk Blvd., Room 120, Lawrence, KS 66045, kdilliard@wsu.edu, kdilliard@wsu.edu
5
2:30 PM
400 KA ECCENTRICITY CYCLE MODULATION OF THE SPICE CARBON ISOTOPE EXCURSION ON BOTH SIDES OF THE CAMBRIAN EARTH
RUNNEGAR, Bruce, NASA Astrobiology Institute, Ames Research Center, 240-1, Moffett Field, CA 94035, SALTZMAN, Matthew R., Department of Geological Sciences, Ohio State Univ, Columbus, OH 43210 and VARADI, Ferenc, Institute of Geophysics and Planetary Physics, Univ of California, Los Angeles, CA 90095, bruce.runnegar@nasa.gov, bruce.runnegar@nasa.gov
6
2:45 PM
CAMBRIAN CHITINOPHOSPHATIC BRACHIOPOD SHELLS YIELD A PRIMARY MARINE d13CCARB SIGNATURE AND REVEAL TERRESTRIAL-MARINE PALEOCEANOGRAPHIC INTERACTION
COWAN, Clinton A.1, FOX, David L.2, RUNKEL, Anthony C.3, SALTZMAN, Matthew R.4 and AUERBACH, David J.1, (1)Geology Department, Carleton College, One North College Street, Northfield, MN 55057, (2)Department of Geology and Geophysics, Univ of Minnesota, 310 Pillsbury Dr. SE, Minneapolis, MN 55455, (3)Minnesota Geol Survey, 2642 University Ave W, Minneapolis, MN 55114, (4)Geological Sciences, Ohio State Univ, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210, ccowan@carleton.edu, ccowan@carleton.edu
 
3:00 PM
Break
7
3:15 PM
THE JOSÉ EXCURSION: A GLOBAL CARBON CYCLE RESPONSE TO THE ARENIG TRANSGRESSION IN THE EARLY ORDOVICIAN
RIPPERDAN, Robert L., Earth and Atmospheric Sciences, Saint Louis Univ, 3507 Laclede Avenue, Saint Louis, MO 63103, LOCH, James D., Earth Science, Central Missouri State Univ, Warrensburg, MO 64093, TAYLOR, John F., Geoscience Department, Indiana Univ of Pennsylvania, Indiana, PA 15705 and MYROW, Paul M., Geology Department, Colorado College, 14 E. Cache La Poudre St, Colorado Springs, CO 80903, ripperdan@eas.slu.edu, ripperdan@eas.slu.edu
8
3:30 PM
CO2 AS THE DRIVER OF CHANGES IN SILURIAN CLIMATE?
CRAMER, Bradley D., Geological Sciences, The Ohio State Univ, 170 Mendenhall Laboratory, 125 S. Oval Mall, Columbus, OH 43210 and SALTZMAN, Matthew R., Geological Sciences, Ohio State Univ, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210, cramer.70@osu.edu, cramer.70@osu.edu
9
3:45 PM
THE REDOX STATE OF DEVONIAN OCEANS: MO ISOTOPE EVIDENCE
WILLIAMS, Gwyneth, Dept. of Geological Sciences, Arizona State Univ, Tempe, AZ 85287, ANBAR, Ariel D., Dept. of Geological Sciences and Dept. of Chemistry & Biochemistry, Arizona State Univ, Tempe, AZ 85287, LYONS, Timothy W., Department of Geological Sciences, Univ. of Missouri, Columbia, MO 65211, SAGEMAN, Bradley, Department of Geological Sciences, Northwestern Univ, 1850 Campus Drive, Locy Hall, Evanston, IL 60208 and ARNOLD, Gail L., Division of Geological & Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, Gwyneth.Williams@asu.edu, Gwyneth.Williams@asu.edu
10
4:00 PM
LOWER MISSISSIPPIAN POSITIVE CARBON ISOTOPE EXCURSION IN SHALLOW WATER CARBONATES, WYOMING AND MONTANA
KATZ, David A.1, SWART, Peter K.1, BUONICONTI, Matthew R.1, EBERLI, Gregor P.1 and SMITH Jr, Langhorne B.2, (1)Marine Geology and Geophysics, Univ of Miami/Rosenstiel School of Marine and Atmospheric Sci, 4600 Rickenbacker Causeway, Miami, FL 33149-1098, (2)Reservoir Characterization Group, New York State Museum, Room 3140 CEC, Albany, NY 12193, dkatz@rsmas.miami.edu, dkatz@rsmas.miami.edu
11
4:15 PM
LATE EARLY CARBONIFEROUS SEASONALITY OF WESTERN PANTHALASSA BASED ON OXYGEN ISOTOPE RECORDS OF BRACHIOPODS FROM XINJIANG, CHINA
MII, Horng-sheng and SHU, I-ting, Department of Earth Sciences, National Taiwan Normal Univ, Taipei, 116, t44006@cc.ntnu.edu.tw, t44006@cc.ntnu.edu.tw
12
4:30 PM
FOURTH ORDER EUSTATIC SIGNAL FROM CARBON-OXYGEN ISOTOPES, MISSISSIPPIAN SLOPE CARBONATES, VIRGINIA
WYNN, Thomas and READ, J. Fred, Geosciences, Virginia Tech, Blacksburg, VA 24061, thomaswynn1@wmconnect.com, thomaswynn1@wmconnect.com
13
4:45 PM
CONODONT OXYGEN ISOTOPE RECORDS OF LATE PENNSYLVANIAN PALEOENVIRONMENTAL VARIABILITY
BATES, Steven M., Department of Geological Sciences, Univ. of Missouri, Columbia, MO 65211 and LYONS, Timothy W., Department of Geosciences, Univ of Missouri-Columbia, 101 Geological Sciences Building, Columbia, MO 65211, sbates50@hotmail.com, sbates50@hotmail.com
14
5:00 PM
MODERN SCLERACTINIAN CORALS PRODUCE CALCITE IN EXPERIMENTAL MID-PALEOZOIC/CRETACEOUS SEAWATER
RIES, Justin B., Morton K. Blaustein Department of Earth & Planetary Sciences, Johns Hopkins Univ, Baltimore, MD 21218, riesjustin@hotmail.com, riesjustin@hotmail.com
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