Session No. T2 Wednesday, June 27, 2001

4:30 PM-6:00 PM, Edinburgh International Conference Centre: Poster area
T2. Role of Hydrothermal Systems in Biospheric Evolution (Sponsored by NASA Astrobiology Institute) (Posters)
Jack Farmer and Mike Russell, Presiding
Booth #
VOLCANO-ICE INTERACTIONS AND THE EXPLORATION FOR EXTANT MARTIAN LIFE: PAYNE, Meredith C. and FARMER, Jack D., Geological Sciences, Arizona State Univ, P. O. Box 1404, Tempe, AZ 85287-1404, mcpayne@asu.edu
Paper Withdrawn
THE ROLE OF SILICATE BIOMINERALIZATION AS AN ULTRAVIOLET SHIELD: IMPLICATIONS FOR ARCHEAN LIFE: KONHAUSER, Kurt O. and PHOENIX, Vernon, Univ Leeds, School Earth Sciences, Leeds, LS2 9JT, United Kingdom, kurt@earth.leeds.ac.uk
HYDROTHERMAL SYSTEMS: DOORWAYS TO EARLY BIOSPHERE EVOLUTION: FARMER, Jack D., Dept. of Geological Sciences, Arizona State Univ, P.O. Box 871404, Tempe, CA 85287-1404, jfarmer@asu.edu.
THE SIMULATED SILICIFICATION OF BACTERIA NEW CLUES TO THE MODES AND TIMING OF BACTERIAL PRESERVATION AND IMPLICATIONS FOR THE SEARCH FOR EXTRATERRESTRIAL MICROFOSSILS: TOPORSKI, Jan1, WESTALL, Frances2, STEELE, Andrew3, and MCKAY, David S.3, (1) School of Earth and Environmental Sciences, Univ of Portsmouth, Astrobiology Group, Burnaby Building, Portsmouth, PO13QL, United Kingdom, jan.toporski@port.ac.uk, (2) Lunar and Planetary Institute, 3600 Bay Area Boulevard, Houston, TX 77058, (3) Astromaterials Group, NASA Johnson Space Ctr, Mail code SN, Houston, TX 77058
MODELING ARCHAEAN HYDROTHERMAL SYSTEMS: LOWELL, Robert P., School of Earth and Atmospheric Sciences, Georgia Institute of Technology, 221 Bobby Dodd Way, Atlanta, GA 30332, bob.lowell@eas.gatech.edu.
MINERALOGIC AND TEXTURAL TRANSFORMATIONS OF SILICEOUS SINTER: EXAMPLES FROM NEW ZEALAND: CAMPBELL, Kathleen A.1, RODGERS, K. A.1, and BROWNE, P.R.L.2, (1) Geology Department, Univ Auckland, Private Bag 92019, Auckland, New Zealand, ka.campbell@auckland.ac.nz, (2) Geology Dept. and Geothermal Institute, Univ Auckland, Private Bag 90219, Auckland, New Zealand

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