GSA Annual Meeting, November 5-8, 2001

Session No. 126
Wednesday, 7 November 2001: 1:30 PM-5:30 PM

Geomicrobiology

 

Steven D'Hondt, Chair
Paper #
Start Time
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1:30 PM
Withdrawn
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1:45 PM
CATABOLIC ACTIVITY OF THE SUBSURFACE BIOSPHERE IN DEEP-SEA SEDIMENTS
D'HONDT, Steven, RUTHERFORD, Scott and SPIVACK, Arthur J., Graduate School of Oceanography, Univ of Rhode Island, Narragansett, RI 02882, dhondt@gso.uri.edu, dhondt@gso.uri.edu
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2:00 PM
COMPARISON OF ORGANIC MATTER PRESERVATION TECHNIQUES FOR SEM STUDY OF GEOLOGIC SAMPLES
FRATESI, S. E. and LYNCH, F. Leo, Dept. of Geosciences, Mississippi State Univ, Mississippi State, MS 39762, claynac@ra.msstate.edu, claynac@ra.msstate.edu
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2:15 PM
EVIDENCE FOR MICROBIAL CONTROL OF HYDROGEN CONCENTRATIONS IN DEEPLY BURIED OCEANIC SEDIMENTS
SPIVACK, Arthur J. and SMITH, David C., Graduate School of Oceanography, Univ of Rhode Island, Narragansett, RI 02882, spivack@gso.uri.edu, spivack@gso.uri.edu
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2:30 PM
DESERT VARNISH: PRESERVATION OF MICROFOSSILS AND BIOFABRIC (EARTH AND MARS?)
PROBST, Luke, Bemidji State Univ, Bemidji, MN 56601, THOMAS-KEPRTA, Kathie, Lockheed Martin, 2101 NASA Rd. 1, Houston, TX 77058 and ALLEN, Carlton, Mail Code ST, NASA Johnson Space Ctr, Houston, TX 77058, lwprobst@hotmail.com, lwprobst@hotmail.com
 
2:45 PM
Break
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3:00 PM
USING COMPUTER TOMOGRAPHY FOR DETECTION LIFE IN ROCKS, PERMAFROST, AND ICE. APPLICATION FOR ASTROBIOLOGY
TSAPIN, Alexandre I., Center for life detection, Jet Propulsion Lab/California Institute of Technology, 4800 Oak Grove Dr, Pasadena, CA 91109 and NEALSON, Kenneth H., tsapin@jpl.nasa.gov, tsapin@jpl.nasa.gov
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3:15 PM
THE PRESENCE OF BACTERIA IN EXTREMELY ALKALINE (PH>12) GROUNDWATER
ROADCAP, George, Illinois State Water Survey - Univ of Illinois, 2204 S Griffith DR, Champaign, IL 61820, roadcap@uiuc.edu, roadcap@uiuc.edu
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3:30 PM
UNDERMAT MINING IN CYANOBACTERIAL MATS
CUOMO, Carmela, Geology & Geophysics, Yale Univ, 210 Whitney Avenue, P.O. Box 208109, New Haven, CT 06520-8109, carmela.cuomo@yale.edu, carmela.cuomo@yale.edu
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3:45 PM
OXYGEN AND IRON ISOTOPIC ANALYSES OF BIOTIC AND ABIOTIC IRON OXIDES
WITTE, Kerstin1, MANDERNACK, Kevin W.2, BULLEN, Thomas D.3, SHANKS, Wayne C., III4, EMERSON, David5 and BALCI, Nurgul2, (1)Geology and Geological Engineering, Colorado School of Mines, 1500 Illinois St, Golden, CO 80401, (2)Department of Chemistry and Geochemistry, Colorado School of Mines, 1500 Illinois St, Golden, CO 80401, (3)Branch of Regional Research, Water Resources Division, U.S. Geol Survey, MS 420, 345 Middlefield Rd, Menlo Park, CA 94025, (4)US Geol Survey, PO Box 25046, Denver, CO 80225-0046, (5)American Type Culture Collection, 10801 University Blvd, Manassas, VA 20110, kwitte@mines.edu, kwitte@mines.edu
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4:00 PM
SHEWANELLA ONEIDENSIS AND THE DISSOLUTION OF CALCITE AT NEUTRAL PH
CONRAD, Pamela Gales, Center for Life Detection, Jet Propulsion Lab/Caltech, 4800 Oak Grove Drive, Mail Stop 183-301, Pasadena, CA 91109 and LÜTTGE, Andreas, Geology & Geophysics, Rice Univ, Houston, TX 77251, conrad@jpl.nasa.gov, conrad@jpl.nasa.gov
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4:15 PM
THE EFFECT OF PROTOZOA ON THE REDUCTION OF SOLID PHASE FE(III)
MAILLOUX, Brian, Geosciences, Princeton, Princeton University, Guyot Hall, Princeton, NJ 08544, ONSTOTT, T. C., Dept. of Geosciences, Princeton Univ, Princeton, NJ 08544 and CHOI, Keun-Hyung, Ocean, Earth, and Atmospheric Sciences, Old Dominion Univ, 4600 Elkhorn Ave, Norfolk, VA 23529, mailloux@princeton.edu, mailloux@princeton.edu
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4:30 PM
CONTROLS ON THE RATE OF MICROBIAL RESPIRATION IN THE GEOCHEMICAL ENVIRONMENT
JIN, Qusheng and BETHKE, Craig M., Department of Geology, Univ of Illinois, 1301 West Green Street, Urbana, IL 61801, qjin@students.uiuc.edu, qjin@students.uiuc.edu
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4:45 PM
THE ORGANIZATION OF MICROBIAL MN-OXIDE PRECIPITATES INTO MINERAL PHASES: A COMPARISON STUDY OF CULTURED AND NATURAL MATERIALS
SPILDE, Michael N.1, BOSTON, Penelope J.2, BREARLEY, Adrian J.3, SCHELBLE, R. T.3 and PAPIKE, J. J.1, (1)Institute of Meteoritics, Univ of New Mexico, Northrup Hall, Albuquerque, NM 87131, (2)Biology Dept, Univ of New Mexico, Castetter Hall, Albuquerque, NM 87131, (3)Dept. of Earth and Planetary Sciences, Univ. of New Mexico, Albuquerque, NM 87131, mspilde@unm.edu, mspilde@unm.edu
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5:00 PM
BIOCONCENTRATION OF SELENIUM IN UPPER CRETACEOUS MARINE VERTEBRATES
KULP, Thomas R.1, PRATT, Lisa M.2 and GIBSON, Melissa A.1, (1)Department of Geological Sciences, Indiana University, 1001 E. 10th St, Bloomington, IN 47405, (2)Department of Geological Sciences, Indiana Univ, 1001 E. 10th St, Bloomington, IN 47405, tkulp@indiana.edu, tkulp@indiana.edu