GSA 2020 Connects Online

Session No. 214
Thursday, 29 October 2020: 1:30 PM-5:30 PM

T204. New Voices in Geobiology

GSA Geobiology and Geomicrobiology Division; GSA Karst Division

 

Amanda Lynn Godbold, Alison T. Cribb, Andrew D. Putt, Rowan C. Martindale, Victoria A. Petryshyn, Lydia S. Tackett, Trinity L. Hamilton, David Gold and Simon A.F. Darroch, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1:35 PM
ALL ABOUT THAT BACE: INTERPRETING THE CARBON ISOTOPE RECORD OF THE EDIACARAN–CAMBRIAN TRANSITION (Invited Presentation)
SMITH, Emily F.1, LONSDALE, Mary C.1, NELSON, Lyle L.1, AHM, Anne-Sofie C.2, HODGIN, Eben B.3, WEBB, Lucy C.1, BOLD, Uyanga4, BRENNER, Dana C.1, SCHMITZ, Mark D.5, HIGGINS, John A.2 and RAMEZANI, Jahandar6, (1)Department of Earth and Planetary Sciences, Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218, (2)Department of Geosciences, Princeton University, Washington Road, Guyot Hall, Princeton, NJ 08544, (3)Department of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138; Department of Earth and Planetary Sciences, University of California Berkeley, 307 McCone Hall, Berkeley, CA 94720, (4)School of Geology and Petroleum Engineering, Mongolian University of Science and Technology, Ulaanbaatar, 210349, Mongolia, (5)Department of Geosciences, Boise State University, Boise, ID 83725, (6)Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139
1:50 PM
CONTROLS ON OXYGEN (O2) PRODUCTION BY CYANOBACTERIAL MATS IN REDOX-STRATIFIED ENVIRONMENTS (Invited Presentation)
DICK, Gregory1, KLATT, Judith M.2, CHENNU, Arjun2, ARBIC, Brian K.1, GRIM, Sharon L.1, LEE, Yun Suk1, NIMS, Christine1, JOHNSON, Jena E.1, BIDDANDA, Bopaiah A.3 and DE BEER, Dirk2, (1)Department of Earth and Environmental Sciences, University of Michigan, 2534 North University Building, 1100 North University Avenue, Ann Arbor, MI 48109-1005, (2)Max Planck Institute for Marine Microbiology, Bremen, 28359, Germany, (3)Annis Water Resources Institute, Grand Valley State University, Muskegon, MI 49441
2:05 PM
BIOSPHERIC PRODUCTIVITY AND THE TRANSITION TO A VENTILATED OCEAN (Invited Presentation)
COLE, Devon B., School of Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA 30318, OZAKI, Kazumi, Department of Environmental Science, Toho University, Funabashi, Japan and REINHARD, Christopher T., School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332-0340
2:20 PM
MODELING THE CONTROLS ON MARINE HABITABILITY
XU, Sherry Y.1, HULL, Pincelli M.1, HĂśLSE, Dominik2 and RIDGWELL, Andy2, (1)Department of Earth and Planetary Sciences, Yale University, 210 Whitney Ave., New Haven, CT 06511, (2)Department of Earth and Planetary Sciences, University of California, Riverside, 900 University Ave., Riverside, CA 92521
2:35 PM
THERMAL ALTERATION OF PRECAMBRIAN MICROFOSSILS: APPLICATIONS TO THE STUDY OF STABLE CARBON ISOTOPES ON THE EARLY EARTH
OSTERHOUT, Jeffrey T.1, SCHOPF, J. William1, KUDRYAVTSEV, Anatoliy B.2 and MCKEEGAN, K.D.3, (1)Department of Earth, Planetary, and Space Sciences, University of California-Los Angeles, 595 Charles E Young Dr E, Los Angeles, CA 90095-1567, (2)Center for the Study of Evolution and the Origin of Life, Univ of California, Los Angeles, CSEOL - Geology Building, 595 Charles Young Circle Drive East, Los Angeles, CA 90095-1567, (3)Department of Earth and Space Sciences, University of California, Los Angeles, CA 90095-1567
2:50 PM
2.5 GA SUB-TIDAL MICROFOSSILS OF THE CAMPBELLRAND-MALMANI CARBONATE PLATFORM, KAAPVAAL CRATON, SOUTH AFRICA
CORPOLONGO, Andrea, Department of Geology, University of Cincinnati, Cincinnati, OH 45220 and CZAJA, Andrew D., Department of Geology, University of Cincinnati, Cincinnati, OH 45221-0013
3:05 PM
THE DISTRIBUTION OF ORGANIC MATTER IN ARAGONITE SPHERULES: INSIGHTS INTO POTENTIAL BIOTIC MECHANISMS OF SPHERULE FORMATION
CHEN, Mingfei, Geology Department, University of Illinois at Urbana-Champaign, 1301 W Green St, Urbana, IL 61801, CONROY, Jessica L., Department of Geology, University of Illinois, Urbana-Champaign, 1301 W Green St, Urbana, IL 61801 and FOUKE, Bruce W., Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, 1206 W Gregory Drive, Urbana, IL 61801
3:20 PM
TEMPORAL AND SPATIAL VARIATION IN ACTIVELY SILICIFYING HYDROTHERMAL MICROBIAL COMMUNITIES AND RAMIFICATION IN THE ROCK RECORD
RASMUSSEN, Kalen L.1, STAMPS, Blake W.1, ULRICH, Shannon M.1, CORSETTI, Frank A.2 and SPEAR, John R.1, (1)Department of Civil and Environmental Engineering, Colorado School of Mines, 1500 Illinois Street, Golden, CO 80401-1887, (2)Earth Science, University of Southern California, 3709 Trousdale Pkwy., Los Angeles, CA MHP 106
3:35 PM
QUANTIFYING THE ORGANICS LOAD WITHIN MANGANESE OXIDES USING MARS SPACEFLIGHT PYROLYSIS GC-MS TECHNIQUES
JUDGE, Lauren E.1, WILLIAMS, Amy1, LANZA, Nina2, OLLILA, Ann M.2, SPILDE, Michael N.3, LUETH, Virgil W.4, SHANER, Sydney1 and KIVRAK, Lydia1, (1)Geological Sciences, University of Florida, Gainesville, FL 32611, (2)Los Alamos National Laboratory, Los Alamos, NM 87545, (3)Institute of Meteoritics, University of New Mexico, MSC03-2050, Albuquerque, NM 87131, (4)New Mexico Bureau of Geology and Mineral Resources, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801
3:50 PM
BIOENERGETICS OF AEROBIC GROWTH BY SHEWANELLA PUTREFACIENS STRAIN CN32
WRAY, Addien and GORMAN-LEWIS, Drew, Department of Earth and Space Sciences, University of Washington, 1410 NE Campus Parkway, Seattle, WA 98195
4:05 PM
IMPACT OF CHANGING WASTE STREAMS ON MICROBIAL ECOLOGY AND BIOGEOCHEMICAL CYCLING IN LANDFILL ECOSYSTEMS
MALAS, Judy, KHOURY, Sarah, TANZILLO, Michael, FISCHER, Gracie A., BOGNER, Jean and MEYER-DOMBARD, D'Arcy, Earth and Environmental Sciences, University of Illinois at Chicago, Chicago, IL 60607
 
4:20 PM
Discussion
4:35 PM
GEOCHEMISTRY OF FOUR ACID MINE DRAINAGE SITES IN THE MIDDLE ANTHRACITE REGION OF EASTERN PENNSYLVANIA
EBY, Leigha, Environmental, Geographical and Geological Sciences, Bloomsburg University, 400 E Second Street, Bloomsburg, PA 17815, VENN, Cynthia, Environmental, Geographical and Geological Sciences, Bloomsburg University, 400 E. Second St., Bloomsburg, PA 17815, HALLEN, Christopher P., Chemistry and Biochemistry, Bloomsburg University of Pennsylvania, 400 E. 2nd Street, Bloomsburg, PA 17815 and HRANITZ, John M., Biology, Bloomsburg University, 400 East 2ND Street, Bloomsburg, PA 17815
4:45 PM
TEMPERATURE AFFECTS THE DISTRIBUTION AND FUNCTIONAL POTENTIAL OF PHOTOAUTOTROPHS IN ALKALINE HOT SPRINGS
BENNETT, Annastacia C.1, MURUGAPIRAN, Senthil K.1, KEES, Eric D.1 and HAMILTON, Trinity L.2, (1)Department of Plant and Microbial Biology, University of Minnesota, 1500 Gortner Ave, 111 Cargill Building, St. Paul, MN 55108, (2)Department of Plant and Microbial Biology, University of Minnesota, 116 Church Street SE, 150 Tate Hall, Minneapolis, MN 55455
4:55 PM
DESCRIBING AN ENIGMATIC, MARRELLOMORPH-LIKE ARTHROPOD FROM THE SILURIAN BRANDON BRIDGE FORMATION, WAUKESHA, WI
ROSBACH, Stephanie A., Geological Sciences, University of Missouri, 101 Geological Sciences Building, Columbia, MO 65211, ANDERSON, Evan P., Geological Sciences, University of Missouri, 302 Geology Building, Columbia, MO 65211 and SCHIFFBAUER, James D., Department of Geological Sciences, University of Missouri, Columbia, MO 65211
5:05 PM
ABUNDANCE OF MICROPLASTICS IN LANDFILLS AND THEIR EFFECTS ON MICROBIAL PROCESSES
KHOURY, Sarah, MALAS, Judy, TANZILLO, Michael, FISCHER, Gracie A., BOGNER, Jean and MEYER-DOMBARD, D'Arcy, Earth and Environmental Sciences, University of Illinois at Chicago, Chicago, IL 60607
5:15 PM
ORGANICS DETECTION IN ACID MINE DRAINAGE SEDIMENTS, WITH IMPLICATIONS FOR ORGANICS PRESERVATION IN IRON RICH ACID AND SALINE ENVIRONMENTS ON MARS
STURRUP, Chance1, ROGERS, Mary2 and WILLIAMS, Amy1, (1)Geological Sciences, University of Florida, Gainesville, FL 32611, (2)Environmental Science and Studies, Towson University, Towson, MD 21252
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