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2005 Salt Lake City Annual Meeting (October 16–19, 2005)

Session No. 245
Wednesday, 19 October 2005: 1:30 PM-5:30 PM

T27. Seafloor Hydrogeology: Investigating Fluid Flow through the Oceanic Crust and Seafloor Sediments

GSA Hydrogeology Division

 

Jennifer D. Shosa and Lindsay B. Masters, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:40 PM
HYDROTHERMAL HEAT AND MASS FLUXES THROUGH MID-OCEAN RIDGE AXIS AND FLANKS
MOTTL, Michael J., Oceanography, University of Hawaii, 1000 Pope Road, Honolulu, HI 96822, mmottl@soest.hawaii.edu, mmottl@soest.hawaii.edu
2
2:00 PM
ORGANIC COMPOUNDS AS INDICATORS OF FLUID FLOW IN THE OCEANIC CRUST
CRUSE, Anna M., School of Geology, Oklahoma State University, 105 Noble Research Center, Stillwater, OK 74078-3031 and SEEWALD, Jeffrey S., Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, MS #4, Woods Hole, MA 02543, anna.cruse@okstate.edu, anna.cruse@okstate.edu
3
2:15 PM
USING GEOCHEMICAL ALTERATION OF SEAFLOOR BASALTS AS A PROXY FOR FLUID-FLOW FLUXES THROUGH THE OCEAN CRUST
MASTERS, Lindsay B., Department of Geology, Colby College, Waterville, ME 04901 and SHOSA, Jennifer, Geology Department, Colby College, Waterville, ME 04901-8840, lmasters@colby.edu, lmasters@colby.edu
4
2:30 PM
INVESTIGATING MINERAL AND GEOCHEMICAL MANIFESTATIONS OF RIDGE FLANK ADVECTION ON ABYSSAL HILL TERRAIN NEAR THE EAST PACIFIC RISE
INDERBITZEN, Katherine E., Dept. of Geological Sciences, UC Santa Barbara, Building 526, Santa Barbara, CA 93106-9630, katie_i@umail.ucsb.edu, katie_i@umail.ucsb.edu
 
2:45 PM
Break
5
3:00 PM
FLUID FLOW THROUGH SEAMOUNTS: IMPLICATIONS FOR GLOBAL HEAT AND MASS FLUX
HARRIS, Robert N., College of Oceanic and Atmospheric Sciences, Oregon State University, 104 COAS Admin Bldg, Corvallis, OR 97331-5503, FISHER, Andrew T., Earth Sciences Department, University of California at Santa Cruz, Santa Cruz, CA 95064 and CHAPMAN, David S., Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112, rharris@coas.oregonstate.edu, rharris@coas.oregonstate.edu
6
3:20 PM
LARGE-SCALE POROUS FEATURES IN THE CALDERA OF A SEAMOUNT
GILBERT, Lisa A., Maritime Studies Program, Williams College and Mystic Seaport, 75 Greenmanville Ave, Mystic, CT 06355, lisa.gilbert@williams.edu, lisa.gilbert@williams.edu
7
3:35 PM
DOLOMITIZATION OF A TRIASSIC ATOLL IN A NOVEL SEAFLOOR FLUID FLOW SYSTEM BY REACTION OF LIMESTONE WITH DIFFUSE EFFLUENT, LATEMAR CARBONATE BUILDUP, DOLOMITES, NORTHERN ITALY
CARMICHAEL, Sarah and FERRY, John, Department of Earth and Planetary Sciences, Johns Hopkins University, 3400 N. Charles St, Baltimore, MD 21218, scarmichael@jhu.edu, scarmichael@jhu.edu
8
3:50 PM
ABNORMAL FLUID PRESSURES AND FLUID FLOW AT ODP SITE 1251, SOUTHERN HYDRATE RIDGE, OREGON
WEINBERGER, Jill L., Geological Research Division, Scripps Institution of Oceanography / UCSD, 9500 Gilman Dr. Mail Code 0244, La Jolla, CA 92093 and BROWN, Kevin M., Scripps Institution of Oceanography, Univ of California, San Diego, 9500 Gilman Dr, La Jolla, CA 92093, jlweinbe@ucsd.edu, jlweinbe@ucsd.edu
 
4:05 PM
Break
9
4:20 PM
SR ISOTOPIC COMPOSITION OF PORE-WATERS, SERPENTINE MUDS, AND MANTLE ROCK CHIPS IN THE CHOMORRO SEAMOUNT, MARIANAS FOREARC REGION: IMPLICATIONS FOR SUBDUCTION ZONE PROCESSES, MUD FLOW RATES, AND EQUILIBRATION TIMES
BICKFORD, M.E.1, SIEGEL, D.I.2, HILL, Barbara M.1, OTZ, Ines1 and SHOSA, Jennifer D.3, (1)Department of Earth Sciences, Syracuse University, Heroy Geology Laboratory, Syracuse, NY 13244-1070, (2)Department of Earth Sciences, Syracuse University, 204 Heroy Geology Labratory, Syracuse, NY 13244, (3)Department of Geology, Colby College, Waterville, ME 04901-8840, mebickfo@syr.edu, mebickfo@syr.edu
10
4:35 PM
SMECTITE TRANSFORMATION IN THE NANKAI TROUGH: EFFECTS ON SUBDUCTION ZONE MECHANICS AND HYDROGEOLOGY
SAFFER, Demian M.1, UNDERWOOD, Michael B.2 and MCKIERNAN, Alexander W.1, (1)Geosciences, The Pennsylvania State University, 310 Deike Building, University Park, PA 16802, (2)Univ Missouri - Columbia, 101 Geological Sciences Building, Columbia, MO 65211-1380, dsaffer@geosc.psu.edu, dsaffer@geosc.psu.edu
11
4:50 PM
THE ROLE OF SEDIMENT PERMEABILITIES IN RESTRICTING FLOW AND MAINTAINING HIGH PORE PRESSURES IN SUBDUCTION ZONES
BEKINS, Barbara and MATMON, Dorit, U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, babekins@usgs.gov, babekins@usgs.gov
12
5:10 PM
FUTURE TRENDS IN OCEANIC CRUSTAL HYDROGEOLOGY: LONG-SCALE TRANSPORT, CONTINUOUS MONITORING, AND MULTIDISCIPLINARY COLLABORATION
FISHER, Andrew T., Earth Sciences Department, UC Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, afisher@es.ucsc.edu, afisher@es.ucsc.edu
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