36 Role of Hydrothermal Systems in Biospheric Evolution (Sponsored by NASA Astrobiology Institute)

Wednesday, 27 June 2001
10:00 AM - 4:30 PM

Presentations

• 10:10 AM
  TERRESTRIAL HYDROTHERMAL PROCESSES: A REVIEW
  Franco Pirajno, Geol Survey of Western Australia, East Perth, N/A
  7491 (THEME SESSIONS)
• 10:40 AM
  THE ONSET OF LIFE IS A COROLLARY OF CONVECTION ON EARLY EARTH
  Michael John Russell, Scottish Universities Environmental Rsch Centre, Glasgow, N/A and Allan J. Hall, Univ of Glasgow, Glasgow, N/A
  6994 (THEME SESSIONS)
• 11:00 AM
  GOURMET GEOCHEMICAL “PRIMORDIAL SOUPS” AT HYDROTHERMAL VENTS SUPPORT NOVEL THERMOPHILIC CHEMOLITHOTROPHS: IMPLICATIONS FOR THE EVOLUTION OF LIFE ON EARLY EARTH
  Anna-Louise Reysenbach, Portland State Univ, Portland, OR
  8352 (THEME SESSIONS)
• 11:35 AM
  THE BIOGEOCHEMISTRY OF SULFUR IN HYDROTHERMAL SYSTEMS
  Mitch Schulte, NASA Ames Rsch Ctr, Moffett Field, CA and Karyn L. Rogers, Washington Univ, St. Louis, MO
  8003 (THEME SESSIONS)
• 11:55 AM
  DO SUPERPLUMES SELECT FOR HYPERTHERMOPHILES IN THE DEEP SUBSURFACE?
  T. C. Onstott, Princeton Univ, Princeton, NJ and Joost Hoek, Univ. of Pennsylvania, Philadelphia, PA and Gomaa I. Omar, Univ. of Pennsylvania, Philadelphia, PA and Tom Kieft, New Mexico Tech, Socorro, NM and David Balkwill, Florida State Univ, Tallahassee, FL and Susan Pfiffner, The Univ of Tennessee, Knoxville, TN and Tommy J. Phelps, Oak Ridge National Lab, Oak Ridge, TN and Johanna Lippman, Palisades, NY and Martin Stute, Palisades, NY and Duane P. Moser, Princeton Univ, Princeton, NJ and Lihung Lin, Princeton Univ, Princeton, NJ and Ken Takai, Pacific Northwest National Lab, Richland, WA and Jim K. Fredrickson, Pacific Northwest National Lab, Richland, WA and Fred J. Brockman, Pacific Northwest National Lab, Richland, WA and Lisa Pratt, Indiana Univ, Bloomington, IN and Barbara Sherwood-Lollar, Univ. of Toronto, Toronto, ON and Greg Slater, Univ. of Toronto, Toronto, ON
  7398 (THEME SESSIONS)
• 12:15 PM
  CONTROLS ON MICROBIAL BIOSIGNATURE PRESERVATION IN SUBAERIAL HYDROTHERMAL SPRINGS, YELLOWSTONE NATIONAL PARK
  Jack D. Farmer, Arizona State Univ, Tempe, CA and Brad Bebout, NASA Ames Rsch Ctr, Moffett Field, CA and Pieter Visscher, Univ of Connecticut, Groton, CT
  8022 (THEME SESSIONS)
• 2:20 PM
  FORMATION, ALTERATION, AND PRESERVATION OF HYPERTHERMOPHILIC BIOSIGNATURES
  Sherry L. Cady, Portland State Univ, Portland, OR
  6433 (THEME SESSIONS)
• 2:40 PM
  WELL-PRESERVED FILAMENTOUS FABRICS IN MINERALS FROM SUBSURFACE HYDROTHERMAL ENVIRONMENTS
  Beda A. Hofmann, Natural History Museum Bern, Bern, N/A and Jack D. Farmer, Arizona State Univ, Tempe, AZ
  7495 (THEME SESSIONS)
• 3:10 PM
  ANCIENT SEEPS IN THE MIDDLE CAMBRIAN BURGESS SHALE: PALEOECOLOGICAL AND EVOLUTIONARY IMPLICATIONS
  Paul A. Johnston, Royal Tyrrell Museum of Palaeontology, Drumheller, AB and Christopher J. Collom, Mt. Royal College, Calgary, AB
  7622 (THEME SESSIONS)
• 3:30 PM
  PALAEOBIOLOGY OF A 1640 MA HYDROTHERMAL SYSTEM
  Malcolm Walter, Macquarie Univ, Sydney NSW 2109, N/A and Junhong Chen, Macquarie Univ, Sydney NSW 2109, N/A and Graham Logan, Australian Geol Survey Organisation, N/A, N/A and Roger E. Summons, Australian Geol Survey Organisation, N/A
  8102 (THEME SESSIONS)
• 3:50 PM
  VOLCANIC DEGASSING, HYDROTHERMAL CIRCULATION AND THE FLOURISHING OF EARLY LIFE ON EARTH: NEW EVIDENCE FROM THE C. 3460 MA WARRAWOONA GROUP, PILBARA CRATON, WESTERN AUSTRALIA
  Martin J. Van Kranendonk, Geol Survey of Western Australia, East Perth, WA, N/A
  7386 (THEME SESSIONS)
• 4:10 PM
  A 3.75 GA SEA-FLOOR HYDROTHERMAL SYSTEM FROM THE ISUA GREENSTONE BELT, WEST GREENLAND
  Hugh Rollinson, Cheltenham & Gloucester College of HE, Cheltenham, N/A and Peter Appel, Copenhagen, N/A and Jacques Touret, Vrije Universiteit, Amsterdam, Amsterdam, N/A
  6975 (THEME SESSIONS)