2006 Philadelphia Annual Meeting (22–25 October 2006)

Session No. 158
Tuesday, 24 October 2006: 1:30 PM-5:30 PM

P5. Links Between Geological Processes, Microbial Activities, and Evolution of Life

GSA International Section; GSA Geobiology and Geomicrobiology Division; GSA Geology and Society Division; GSA Structural Geology and Tectonics Division

 

Yildirim Dilek, Harald Furnes and Karlis Muehlenbachs, Conveners
Paper #
Start Time
1
1:30 PM
CRITICALLY TESTING THE EARLIEST SIGNS OF LIFE
BRASIER, Martin D.1, MCLOUGHLIN, Nicola2 and WACEY, David1, (1)Department of Earth Sciences, Oxford University, Parks Road, Oxford, OX1 3PR, United Kingdom, (2)Earth Sciences, Oxford Univ, Parks Road, Oxford, OX1 3PR, martin.brasier@earth.ox.ac.uk, martin.brasier@earth.ox.ac.uk
2
1:50 PM
CARBONACEOUS CHERTS OF THE EARLY ARCHEAN; THE USE OF IN SITU TECHNIQUES FOR TRACING EARLY LIFE
VAN ZUILEN, Mark A., Equipe Géobiosphère Actuelle et Primitive, IPGP, Case 89, 4 Place Jussieu, Paris, 75252, France, vanzuilen@ipgp.jussieu.fr, vanzuilen@ipgp.jussieu.fr
3
2:10 PM
ABRUPT RISE IN PALEOPROTEROZOIC O2 AND GLOBAL MICROBIAL SULFATE REDUCTION
WING, Boswell A., ESSIC and Dept. of Geology/Dept. of Earth and Planetary Sciences, University of Maryland/McGill University, Montreal, QC H2S 2C3, Canada, BAKER, Margaret A., Department of Geology, University of Maryland, College Park, MD 20742, BEKKER, Andrey, Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Rd., N.W, Washington, DC 20015-1305, KAUFMAN, Alan J., Geology Department, University of Maryland, College Park, MD 20742 and FARQUHAR, James, Earth System Science Interdisciplinary Center and Department of Geology, University of Maryland, College Park, MD 20742, wing@eps.mcgill.ca, wing@eps.mcgill.ca
4
2:30 PM
FROM VOLCANIC WINTER TO SNOWBALL EARTH: AN ALTERNATIVE EXPLANATION FOR NEOPROTEROZOIC BIOSPHERE STRESS
STERN, Robert1, AVIGAD, Dov2, MILLER, Nathan R.1 and BEYTH, Michael3, (1)Geosciences Dept, U Texas at Dallas, Box 830688, Richardson, TX 75083-0688, (2)Institute of Earth Sciences, Hebrew University of Jerusalem, Jerusalem, 95501, Israel, (3)Geological Survey of Israel, Malkhei Yisrael St. 30, Jerusalem, 95501, Israel, rjstern@utdallas.edu, rjstern@utdallas.edu
5
2:50 PM
OCEANIC PILLOW LAVAS AS A HABITAT FOR MICROBIAL LIFE THROUGH TIME
FURNES, Harald, Department of Earth Science, University of Bergen, Allegt. 41, 5007, Bergen, Norway, BANERJEE, Neil R., Department of Earth Sciences, University of Western Ontario, London, ON N6A 5B7, STAUDIGEL, Hubert, Scripps Insitution of Oceanography, Univ of California, UCSD-0225, La Jolla, CA 9209309 0225, MUEHLENBACHS, Karlis, Earth and Atmospheric Sciences, University of Alberta, 1-26 ESB, Edmonton, AB T6G 2E3, DE WIT, Maarten, Geological Sciences, University of Cape Town, Rondebosch, 77058, South Africa and DILEK, Yildirim, Geology, Miami University, 116 Shideler Hall, Oxford, OH 45056, harald.furnes@geo.uib.no, harald.furnes@geo.uib.no
6
3:10 PM
A DIFFERENT PERSPECTIVE ONTO EARLY LIFE: SEDIMENTARY STRUCTURES RISING FROM PHYSICAL-MICROBIAL INTERACTION IN SILICICLASTIC TIDAL FLATS
NOFFKE, Nora, Ocean, Earth & Atmospheric Sciences, Old Dominion University, 4600, Elkhorn Ave, Norfolk, VA 23529, nnoffke@odu.edu, nnoffke@odu.edu
7
3:30 PM
REPEATED FORMATION OF FAVORABLE NEW SUBSTRATES DETERMINES ABUNDANCE AND POPULATION STRUCTURE OF BAHAMIAN STROMATOLITES
GINSBURG, Robert N.1, PLANAVSKY, Noah J.1 and PETERS, Henning2, (1)Rosenstiel School of Marine and Atmospheric Sciences, Univ of Miami, 4600 Rickenbacker Causeway, Miami, FL 33149, (2)Dept. of Geobiology, University of Bremen, Research Center for Ocean Margins (RCOM), Post Box 330 440, Bremen, D-28334, Germany, rginsburg@rsmas.miami.edu, rginsburg@rsmas.miami.edu
8
3:50 PM
BIOSPHERE:GEOSPHERE INTERACTIONS IN THE SUB-SEAFLOOR BIOSPHERE
PARKES, R. John, School of Earth, Ocean and Planetary Sciences, Cardiff University, Main Building, Cardiff, CF10 3YE, United Kingdom, J.Parkes@earth.cf.ac.uk, J.Parkes@earth.cf.ac.uk
9
4:10 PM
RATES AND GLOBAL BIOGEOCHEMICAL CONSEQUENCES OF MICROBIAL ACTIVITY IN SUBSEAFLOOR SEDIMENTS
D'HONDT, Steven, SPIVACK, Arthur J. and WANG, Guizhi, Graduate School of Oceanography, University of Rhode Island, Narragansett Bay Campus, South Ferry Rd, Narragansett, RI 02882, dhondt@gso.uri.edu, dhondt@gso.uri.edu
10
4:30 PM
MIF-S RECORD IN SEDIMENTARY ROCKS: AN INDICATOR OF ATMOSPHERIC OR BIOLOGICAL EVOLUTION?
WATANABE, Yumiko, NASA Astrobiology Institute and Department of Geosciences, The Pennsylvania State University, 434 Deike Bldg, University Park, PA 16802, OHMOTO, Hiroshi, NASA Astrobiology Institute and Department of Geosciences, The Pennsylvania State University, 435 Deike Bldg, University Park, PA 16802 and NARAOKA, Hiroshi, Department of Geosciences, Okayama Univeristy, Okayama, 700-8530, Japan, yumiko@geosc.psu.edu, yumiko@geosc.psu.edu
11
4:50 PM
THE ANAEROBIC OXIDATION OF METHANE - A REEF-FORMING PROCESS IN THE BLACK SEA
BLUMENBERG, Martin1, SEIFERT, Richard1, KRÜGER, Martin2 and MICHAELIS, Walter1, (1)Institute of Biogeochemistry and Marine Chemistry, Univ Hamburg, Bundesstr.55, Hamburg, 20146, Germany, (2)Section Geomicrobiology, Federal Institute for Geosciences and Resources, Stilleweg 2, Hannover, 30655, Germany, blumenberg@geowiss.uni-hamburg.de, blumenberg@geowiss.uni-hamburg.de
12
5:10 PM
GEOMICROBIOLOGY IN EXTREME ENVIRONMENTS: LINKING GEOLOGICAL PROCESSES WITH MICROBIAL ACTIVITIES
DONG, Hailiang, Department of Geology, Miami University, 114 Shideler Hall, Oxford, OH 45056, dongh@muohio.edu, dongh@muohio.edu