GSA Annual Meeting in Phoenix, Arizona, USA - 2019

Session No. 7
Sunday, 22 September 2019: 8:00 AM-12:00 PM
Room 229A, North Building (Phoenix Convention Center)

T36. Iron Formations, Ferruginous Sediments, and Redox through Time and Space

 

Athena Eyster, Latisha Ashley Brengman and Geoffrey J. Gilleaudeau, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
7-2
8:30 AM
ASSESSING THE BIOAVAILABILITY OF MO IN ARCHEAN OCEANS
JOHNSON, Aleisha C., School of Earth and Space Exploration, Arizona State University, 550 Tyler Mall, Tempe, AZ 85287, ROMANIELLO, Stephen J., School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, OSTRANDER, Chadlin M., School of Earth and Space Exploration,, Arizona State University, Tempe, AZ 85287-1404, REINHARD, Christopher T., School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332-0340, LYONS, Timothy W., Earth Sciences, University of California, Riverside, Riverside, CA 92521-0423 and ANBAR, Ariel D., School of Molecular Sciences, Arizona State University, Tempe, AZ 85287-1404
7-3
8:45 AM
EXPLORING THE POTENTIAL OF THE RE ISOTOPE PALEOREDOX PROXY
SULLIVAN, Dan Louis, School of Earth and Space Exploration, ASU, 550 E. TYLER MALL PS-F WING, ROOM 686, Tempe, AZ 85287-1404, ROMANIELLO, Stephen J., School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287 and ANBAR, A.D., School of Earth and Space Exploration and School of Molecular Sciences, Arizona State University, Tempe, AZ 85287-1404
7-4
9:00 AM
EXPERIMENTAL EXAMINATION OF IRON PHOTOCHEMISTRY IN ANCIENT OCEANS
VERGELI, Pilar Carmela1, ROMANIELLO, Stephen J.1, HARTNETT, Hilairy E.2 and ANBAR, A.D.2, (1)School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, (2)School of Molecular Sciences, Arizona State University, Tempe, AZ 85287; School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287
7-5
9:15 AM
THE FEASIBILITY OF POST-DEPOSITIONAL IRON FORMATION OXIDATION AND REDOX IMPLICATIONS FOR SEAWATER IN THE PALEOPROTEROZOIC (Invited Presentation)
ROBBINS, Leslie J.1, FUNK, Sean P.2, ALESSI, Daniel S.2, ROSTRON, Benjamin J.2, LALONDE, Stefan V.3, SMITH, Albertus J.B.4, BEUKES, Nicolas J.4 and KONHAUSER, Kurt O.2, (1)Geology and Geophysics, Yale University, 210 Whitney Avenue, New Haven, CT 06511; Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB T6G 2E3, Canada, (2)Earth and Atmospheric Science, University of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada, (3)CNRS-UMR6538 Domaines Océaniques, European Institute for Marine Studies, Plouzane, 29280, France, (4)Department of Geology, University of Johannesburg, P.O. Box 524, Auckland Park, Johannesburg, 2006, South Africa
7-6
9:35 AM
USING IRON-RICH ROCKS TO RECONSTRUCT PROTEROZOIC OXYGEN LEVELS
PLANAVSKY, Noah J., Department of Geology and Geophysics, Yale University, New Haven, CT 06511, WANG, Changle, Department of Geology and Geophysics, Yale University, 210 Whitney Avenue, New Haven, CT 06511 and REINHARD, Christopher T., School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332-0340
 
9:50 AM
Break
7-7
10:05 AM
GEOCHEMICAL FACIES OF NEOPROTEROZOIC ‘SNOWBALL EARTH’ DIAMICTITE SEQUENCES AT THE KANSANSHI MINE, ZAMBIA: IMPLICATIONS FOR SEAWATER CHEMISTRY
MACINTYRE, Timothy J., Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois St., Golden, CO 80401
Handouts
  • MacIntyre_Geochemical facies of diamictite at Kansanshi_GSA_submission version.pdf (4.1 MB)
  • 7-8
    10:20 AM
    COATED GRAINS FROM WELSH BASIN IRONSTONE AND ORDOVICIAN SEAWATER CHEMISTRY
    DUNN, Sarah Katherine1, PUFAHL, Peir K.1, MURPHY, J. Brendan2 and LOKIER, Stephen3, (1)Department of Earth and Environmental Science, Acadia University, 12 University Ave, Wolfville, NS B4P 2R6, Canada, (2)Earth Sciences, St. Francis Xavier University, Box 1623, Nova Scotia, Antigonish, NS B2G 2W5, Canada, (3)School of Ocean Sciences, Bangor University, Menai Bridge, LL59 5AB, United Kingdom
    7-9
    10:35 AM
    BANDED IRON-DEPOSITING SHALLOW SUBMARINE HYDROTHERMAL VENT FIELDS ON THE HELLENIC VOLCANIC ARC (Invited Presentation)
    CHI FRU, Ernest, School of Earth and Ocean Sciences, Cardiff University, Park Place, Main building, Cardiff, CF10 3AT, United Kingdom
    10:55 AM
    CHEMICAL EVIDENCE FOR THE MODERN DEPOSITION OF IRON FORMATIONS AT PAULINA LAKE, NEWBERRY VOLCANO (OR)
    CAULEY, Christina N., Earth & Enviromental Sciences, Wesleyan University, 265 Church Street, Middletown, CT 06459 and VAREKAMP, Johan C., Dept. of Earth & Environmental Sciences, Wesleyan University, 265 Church Street, Middletown, CT 06459
    7-11
    11:10 AM
    Withdrawn
    11:25 AM
    RECORDS OF LIFE IN A FERRUGINOUS OCEAN: LESSONS FROM MEROMICTIC LAKES (Invited Presentation)
    SWANNER, Elizabeth, Department of Geological & Atmospheric Sciences, Iowa State University, Ames, IA, WITTKOP, Chad, Chemistry and Geology, Minnesota State University, Ford Hall 241, Mankato, MN 56001, LAMBRECHT, Nicholas, Department of Geological & Atmospheric Sciences, Iowa State University, 2237 Osborn Drive, 253 Science I, Ames, IA 50011-1027, KATSEV, Sergei, University of Minnesota - Duluth, Large Lakes Observatory (LLO), 2205 E. 5th St., Research Laboratory Building 230, Duluth, MN 55812 and PICARD, Aude, School of Life Sciences, University of Nevada, Las Vegas, 4505 South Maryland Parkway, Mail code 4004, Las Vegas, NV 89154
     
    11:45 AM
    Discussion
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