| | Paper # | Start Time | |
| 169-1 | 1:30 PM | NATURAL NUCLEAR FISSION REACTORS: TIME CONSTRAINTS FOR OCCURRENCE, AND THEIR RELATION TO URANIUM AND MANGANESE DEPOSITS AND TO THE EVOLUTION OF THE ATMOSPHERE: GAUTHIER-LAFAYE, F., Centre de Géochimie de la Surface - CNRS. EOST-ULP, 1, rue Blessig, Strasbourg 67084 France, gauthier@illite.u-strasbg.fr. |
| 169-2 | 1:50 PM | THE REDOX-SENSITIVE TRACE ELEMENTS, MO, U AND RE IN PRECAMBRIAN CARBONACEOUS SHALES: INDICATORS OF THE GREAT OXIDATION EVENT: YANG, Wenbo and HOLLAND, Heinrich D., Earth and Planetary Sciences, Harvard Univ, 20 Oxford Street, Cambridge, MA 02138, yang@eps.harvard.edu |
| 169-3 | 2:05 PM | MOLYBDENUM GEOCHEMICAL CYCLE IN THE ARCHEAN: YAMAGUCHI, Kosei E., University of Wisconsin - Madison, 1215 W. Dayton St., Madison, WI 53706, and Institute for Frontier Research on Earth Evolution, 2-15 Natsushima, Yokosuka, 237-0061, Japan, kosei@geology.wisc.edu and OHMOTO, Hiroshi, Astrobiology Research Center, Penn State Univ, University Park, PA 16802 |
| 169-4 | 2:20 PM | IRON FORMATIONS: WHY THE MYSTERY PERSISTS: KIMBERLEY, Michael M., Marine, Earth, and Atmospheric Sciences, NC State Univ, Box 8208 NC State University, Raleigh, NC 27695-8208, kimberley@ncsu.edu. |
| 169-5 | 2:35 PM | ORDOVICIAN AND EARLY MISSISSIPPIAN IRON FORMATIONS ASSOCIATED WITH VOLCANIC-HOSTED MASSIVE SULFIDE DEPOSITS, BATHURST, NEW BRUNSWICK AND FINLAYSON LAKE AREA, YUKON: CONSTRAINTS ON DEPOSITIONAL SETTING AND MINERALIZING CONDITIONS: PETER, Jan M., Mineral Resources Division, Geol Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8 Canada, jpeter@nrcan.gc.ca. |
| 169-6 | 2:50 PM | INFLUENCE OF THE MICROBIAL IRON CYCLE ON BIF DEPOSITION: BROWN, D. Ann, A & A Research, Old Moorcocks, Rushlake Green, Heathfield TN21 9PP United Kingdom, ann@a2-research.fsnet.co.uk. |
| 169-7 | 3:05 PM | COULD BACTERIA FORM PRECAMBRIAN BANDED IRON FORMATIONS?: KONHAUSER, Kurt O., Earth and Atmospheric Sciences, Univ of Alberta, Edmonton, AB T6G 2E3 Canada, kurtk@ualberta.ca. |
| 169-8 | 3:20 PM | COULD CYANOBACTERIA HAVE PROVIDED THE SOURCE OF OXIDANTS FOR BANDED IRON FORMATION?: BLANK, Carrine, Earth and Planetary Sciences, Washington Univ, Campus Box 1169, One Brookings Drive, St. Louis, MO 63130-4899, blank@levee.wustl.edu. |
| 169-9 | 3:35 PM | IRON ISOTOPE FRACTIONATION IN THE SYSTEM FE(III)-FE(II)-HEMATITE-MAGNETITE-FE CARBONATE, AND IMPLICATIONS FOR THE ORIGIN OF BANDED IRON FORMATIONS: JOHNSON, Clark1, BEARD, Brian1, WELCH, Sue1, and RODEN, Eric2, (1) Geology & Geophysics, Univ of Wisconsin, Madison, WI 53706, clarkj@geology.wisc.edu, (2) Biological Sciences, Univ of Alabama, Tuscaloosa, AL 35487 |
| 169-10 | 3:50 PM | THE ECOSYSTEMS IN SUBMARINE HYDROTHERMAL ENVIRONMENTS OF THE CANADIAN SHIELD 2.7 BILLION YEARS AGO: 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 |
| 169-11 | 4:05 PM | SUPERGENE AND HYPOGENE HEMATITIZATION EVENTS ASSOCIATED WITH PALEOPROTEROZOIC IRON AND MANGANESE ORES, SOUTH AFRICA: EVANS, David A.D.1, BEUKES, Nicolas J.2, GUTZMER, Jens2, and KIRSCHVINK, Joseph L.3, (1) Tectonics Special Research Centre, Dept of Geology and Geophysics, Yale Univ, P.O. Box 208109, New Haven, CT 06520-8109, dai.evans@yale.edu, (2) Department of Geology, Rand Afrikaans Univ, P.O. Box 524, Auckland Park, 2006, South Africa, (3) Geological and Planetary Sciences, Caltech, 170-25, Pasadena, CA 91125 |
| 169-12 | 4:20 PM | OXYGEN ISOTOPE GEOCHEMISTRY OF HEMATITE IN BIF-HOSTED HIGH-GRADE IRON ORES: IMPLICATIONS FOR THE COMPOSITION OF PALEOPROTEROZOIC METEORIC WATER: GUTZMER, Jens1, BEUKES, Nicolas J.1, MUKHOPADHYAY, Joydip1, PACK, Andreas2, HAYASHI, Ken-ichiro3, and SHARP, Zachary4, (1) Department of Geology, Rand Afrikaans Univ, P.O. Box 524, Auckland Park, 2006, South Africa, jg@na.rau.ac.za, (2) Institut fuer Mineralogie und Geochemie, Universitaet zu Koeln, Zuelpicher Strasse 49b, Cologne, 50674, Germany, (3) Department of Mineralogy, Petrology, and Economic Geology, Tohoku Univ, Aoba-ku, Sendai, 980-8578, Japan, (4) Department of Earth and Planetary Sciences, Univ of New Mexico, Northrop Hall, 200 Yale Blvd. NE, Albuquerque, NM 87131 |
| 169-13 | 4:35 PM | GIANT BANDED IRON FORMATION-HOSTED PALEOPROTEROZOIC HEMATITE DEPOSITS FROM AUSTRALIA, SOUTH AFRICA AND BRAZIL: TOWARDS A UNIFIED MODEL: BARLEY, Mark E., School of Earth and Geographical Sciences, The Univ of Western Australia, 35 Stirling Highway, Crawley, Western Australia 6009 Australia, mbarley@geol.uwa.edu.au. |
| | 4:55 PM | Discussion |
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