Session No. T1 Tuesday, June 26, 2001

4:30 PM-6:00 PM, Edinburgh International Conference Centre: Poster area
T1. Archaean Earth and Contemporary Life: The Transition from an Anaerobic to an Aerobic Marine Ecosystem (Sponsored by NASA Astrobiology Institute) (Posters)
Janet Siefert and Toby Tyrrell, Presiding
Booth #
EARLY ARCHAEAN BACTERIAL MATS/BIOFILMS AND HYDROTHERMAL ACTIVITY: WESTALL, Frances1, WALSH, Maud M.2, NIJMAN, Wouter3, DE VRIES, Sjoukje3, and DE WIT, Maarten4, (1) Lunar and Planetary Institute, 3600 Bay Area Boulevard, Houston, TX 77058, Westall@lpi.usra.edu, (2) Institute for Environmental Sciences, Louisiana State Univ, Baton Rouge, LA 70803, (3) Geological Sciences, Univ of Utrecht, Utrecht, Netherlands, (4) Geological Sciences, Univ of Cape Town, Rondebosch, 77058, South Africa
DEVELOPMENT OF MICROBIAL MATS DURING SOIL FORMATION 2.6-2.3 GA AGO IN EASTERN TRANSVAAL, SOUTH AFRICA: WATANABE, Yumiko and OHMOTO, Hiroshi, Astrobiology Research Center & Dept. of Geosciences, The Pennsylvania State Univ, 435 Deike Bldg, University Park, PA 16802, Yumiko@geosc.psu.edu
PROKARYOTIC OXYGEN-RESPONSE AND THE EVOLUTION OF GENOME SIZES: ISLAS, Sara, CASTILLO, Amanda, VAZQUEZ, Hector, and LAZCANO, Antonio, Departamento de Biologia, Facultad de Ciencias, UNAM, Apdo. Postal 70-407, Cd. Universitaria, Mexico D.F, 04510, Mexico, alar@hp.fciencias.unam.mx
MOLYBDENUM AND ORGANIC CARBON IN ARCHEAN BLACK SHALES: EVIDENCE FOR AEROBIC OCEANS: YAMAGUCHI, Kosei E., Astrobiology Research Center & Dept. of Geosciences, The Pennsylvania State Univ, 435 Deike Building, University Park, PA 16802, kosei@geosc.psu.edu and OHMOTO, Hiroshi, Astrobiology Research Center & Dept. of Geosciences, The Pennsylvania State Univ, 435 Deike Bldg, University Park, PA 16802,
PYROPHYLLITE - DIASPORE VEINS IN THE 2.7 GA PALEOSOLS AT MOUNT ROE, PILBARA, AUSTRALIA: NEW EVIDENCE FOR THE OXIC ARCHEAN ATMOSPHERE: NEDACHI, Munetomo1, NEDACHI, Yoko2, HOASHI, M.1, and OHMOTO, Hiroshi3, (1) Faculty of Science, Kagoshima Univ, Kagoshima, 890-0065, Japan, nedachi@sci.kagoshima-u.ac.jp, (2) Kagoshima Immaculate Heart College, Kagoshima, 890-8525, Japan, (3) Astrobiology Research Center, Penn State Univ, University Park, PA 16802

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