Session: Archaean Earth and Contemporary Life: The Transition from an Anaerobic to an Aerobic Marine Ecosystem (Sponsored by NASA Astrobiology Institute) (Posters) (Earth System Processes

Session No. 30

Tuesday, 26 June 2001: 4:30 PM-6:00 PM

T1. Archaean Earth and Contemporary Life: The Transition from an Anaerobic to an Aerobic Marine Ecosystem (Sponsored by NASA Astrobiology Institute) (Posters)

Authors will be present from .

Paper #

Booth #

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, 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, 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 and OHMOTO, Hiroshi, Astrobiology Research Center & Dept. of Geosciences, The Pennsylvania State Univ, 435 Deike Bldg, University Park, PA 16802, kosei@geosc.psu.edu, kosei@geosc.psu.edu

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, (2)Kagoshima Immaculate Heart College, Kagoshima, 890-8525, Japan, (3)Astrobiology Research Center, Penn State Univ, University Park, PA 16802, nedachi@sci.kagoshima-u.ac.jp, nedachi@sci.kagoshima-u.ac.jp

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, (2)Institute for Environmental Sciences, Louisiana State Univ, Baton Rouge, LA 70803, (3)Geological Sciences, Univ of Utrecht, Utrecht, Netherlands, (4)Geological Sciences, University of Cape Town, Rondebosch, 77058, South Africa, Westall@lpi.usra.edu, Westall@lpi.usra.edu

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Earth System Processes - Global Meeting (June 24-28, 2001)

T1. Archaean Earth and Contemporary Life: The Transition from an Anaerobic to an Aerobic Marine Ecosystem (Sponsored by NASA Astrobiology Institute) (Posters)