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GSA Annual Meeting, November 5-8, 2001

Session No. 95
Tuesday, 6 November 2001: 1:30 PM-5:30 PM

T26. Geochemistry of Organic-Rich Sediments from Estuaries, Continental Shelves, Basins, and Upwelling Zones

 

John F. Bratton and Jennifer L. Morford, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
0
1:35 PM
POLYACRYLAMIDE GEL PROBES FOR REDOX-SENSITIVE TRACE METAL PORE WATER SAMPLING
MORFORD, Jennifer, KALNEJAIS, Linda, MARTIN, William and FRANCOIS, Roger, Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, MS #25, Woods Hole, MA 02543, jmorford@whoi.edu, jmorford@whoi.edu
0
1:50 PM
EUTROPHICATION HISTORY OF CHESAPEAKE BAY RECONSTRUCTED FROM FLUXES OF RHENIUM, MOLYBDENUM, AND URANIUM TO SEDIMENTS
BRATTON, John F. and COLMAN, Steven M., USGS, 384 Woods Hole Rd, Woods Hole, MA 02543-1598, jbratton@usgs.gov, jbratton@usgs.gov
0
2:05 PM
PORE FLUIDS AND AUTHIGENIC CARBONATE PRODUCTS FROM BIOGENIC AND THERMOGENIC SOURCED GAS HYDRATES IN THE GULF OF MEXICO
HACKWORTH, Matthew, Geology and Geophysics, Louisiana State Univ, Baton Rouge, LA 70808 and AHARON, Paul, Geological Sciences, Univ of Alabama, Tuscaloosa, AL 35487, mhackwo@lsu.edu, mhackwo@lsu.edu
0
2:20 PM
MOLECULAR ISOTOPIC EVIDENCE FOR CARBON-CYCLING IN ANAEROBIC METHANE OXIDIZING MICROBIAL COMMUNITIES IN EASTERN MEDITERRANEAN MUD VOLCANOS
WERNE, Josef P. and SINNINGHE DAMSTÉ, Jaap S., Marine Biogeochemistry and Toxicology, Netherlands Institute for Sea Rsch, Den Burg, Netherlands, werne@nioz.nl, werne@nioz.nl
0
2:35 PM
RECONCILING SAPROPEL DEPOSITION WITH OLIGOTROPHY IN THE EASTERN MEDITERRANEAN SEA
SACHS, Julian P., Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Ave, Room E34-254, Cambridge, MA 02139, jsachs@mit.edu, jsachs@mit.edu
 
2:55 PM
Break
0
3:10 PM
MILLENNIAL-SCALE FLUCTUATIONS IN STABLE ISOTOPE AND PRODUCTIVITY PROXY RECORDS IN THE N. SOUTH CHINA SEA DURING THE LAST GLACIAL-INTERGLACIAL CYCLE: COMPARISON BETWEEN THE EAST ASIAN MONSOON AND SOUTH WEST MONSOON
HIGGINSON, Matthew J., School for Marine Science and Technology, Univ of Massachusetts Dartmouth, 706 South Rodney French Boulevard, New Bedford, MA 02744 and ALTABET, Mark A., SMAST, Univ of Massachusetts Dartmouth, 706 South Rodney French Boulevard, New Bedford, MA 02744, mhigginson@umassd.edu, mhigginson@umassd.edu
0
3:25 PM
CLIMATICALLY CONTROLLED VARIATIONS IN REDOX CHEMISTRY OF THE CARIACO BASIN, VENEZUELA: COMPARING RESULTS FROM THE OCEAN DRILLING PROGRAM AND SEDIMENT TRAPS
MURRAY, Richard W.1, THUNELL, Robert C.2, YARINCIK, Kristen1, TAPPA, Eric3, LYONS, Timothy W.4 and PETERSON, L. C.5, (1)Dept. of Earth Sciences, Boston Univ, Boston, MA 02215, (2)Dept. of Geological Sciences, Univ of South Carolina, Columbia, SC 29208, (3)Department of Geological Sciences, University of South Carolina, 701 Sumter Street, University of South Carolina, Columbia, SC 29208, (4)Department of Geological Sciences, Univ of Missouri, Columbia, MO 65211, (5)Rosenstiel School of Marine and Atmospheric Science, Univ of Miami, Miami, FL 33149, rickm@bu.edu, rickm@bu.edu
0
3:45 PM
MOLYBDENUM ACCUMULATION IN ANOXIC MARINE BASINS: MECHANISMS AND PALEOREDOX IMPLICATIONS
LYONS, Timothy W., Dept.of Geological Sciences, Univ. of Missouri, Columbia, MO 65211, lyonst@missouri.edu, lyonst@missouri.edu
0
4:05 PM
BENTHIC SULFUR CYCLING IN THE SEDIMENTS FROM THE OXYGEN MINIMUM ZONE OFF BAJA CALIFORNIA
ZHENG, Y.1, ABEND, H.1 and VAN GEEN, A.2, (1)School of Earth and Environmental Sciences, Queens College, C.U.N.Y, 65-30 Kissena Blvd, Flushing, NY 11365, (2)Lamont Doherty Earth Observatory, 61 Rte. 9W, Palisades, NY 10964, yan_zheng@qc.edu, yan_zheng@qc.edu
0
4:25 PM
RAPID CHANGES IN ORGANIC CARBON PRESERVATION IN SEDIMENTS FROM COASTAL BAJA CALIFORNIA ARE LINKED TO GLOBAL CLIMATIC CHANGES
O'CONNELL, Suzanne1, ORTIZ, Joseph2, VAN GEEN, Alexander2 and ZHENG, Yan2, (1)Wesleyan University, Middletown, CT, and Trinity College, Hartford, CT 06457, (2)LDEO, Palisades, NY 10964, suzanne.oconnell@trincoll.edu, suzanne.oconnell@trincoll.edu
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