GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 30
Sunday, 22 October 2017: 8:00 AM-12:00 PM
Room 602/603 (Washington State Convention Center)

T249. New Voices in Geobiology I

GSA Geobiology & Geomicrobiology Division; GSA Karst Division
Victoria A. Petryshyn, Marc Laflamme, Lydia S. Tackett, Rowan C. Martindale, Simon A.F. Darroch, Carie M. Frantz, John R. Spear and Blake W. Stamps, Advocates
 
8:00 AM
Introductory Remarks
8:05 AM
THE EVOLUTIONARY GEOBIOLOGY OF EARTH'S OXYGEN CYCLE (Invited Presentation)
REINHARD, Christopher T., School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332-0340; NASA Astrobiology Institute, Alternative Earths Team, Mountain View, CA 94043, chris.reinhard@eas.gatech.edu
8:25 AM
NANOSCALE CHARACTERISATION OF THE 1.9 GA GUNFLINT CHERT MICROFOSSIL ASSEMBLAGE
EILOART, Kate, WACEY, David and SAUNDERS, Martin, Centre for Microscopy, Characterisation and Analysis, The University of Western Australia, 35 Stirling Highway, Perth, 6009, Australia, kate.eiloart@research.uwa.edu.au
8:40 AM
MICROORGANISMS IN THE NEOPROTEROZOIC BROWNE FORMATION HALITE OF AUSTRALIA?
BERNAU, Jeremiah A., Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112-0102 and BENISON, Kathleen C., Department of Geology and Geography, West Virginia University, Morgantown, WV 26506-6300, jeremiahbernau@gmail.com
8:55 AM
A LATEST EDIACARAN DOUSHANTUO-TYPE LAGERSTÄTTE FROM NORTHERN MONGOLIAN PHOSPHORITES
ANDERSON, Ross P.1, MACDONALD, Francis A.2, JONES, David S.3, MCMAHON, Sean1 and BRIGGS, Derek E.G.1, (1)Department of Geology and Geophysics, Yale University, 210 Whitney Avenue, New Haven, CT 06511, (2)Department of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, (3)Geology Department, Amherst College, 11 Barrett Hill Road, Amherst, MA 01002, ross.anderson@yale.edu
9:10 AM
A SERPENTINITE “SMOKING GUN” IN THE BURGESS SHALE: EVIDENCE FOR DEEP-SOURCED MAGNESIUM-CHARGED HYDROTHERMAL BRINES AND MUD VOLCANISM THAT FUELLED THE BURGESS BIOSYSTEM
KEITH, Stanley B., MagmaChem Exploration, Sonoita, AZ 85637, JOHNSTON, Paul A., Department of Earth and Environmental Sciences, Mount Royal University, 4825 Mount Royal Gate SW, Calgary, AB T3E 6K6, Canada and JOHNSTON, Kimberley J., deceased--formerly Department of Earth Science & Engineering, Imperial College, London, United Kingdom, mcheme@aol.com
9:25 AM
DEPOSITIONAL ENVIRONMENT AND PALEOECOLOGY OF THE MIDDLE CAMBRIAN BURGESS SHALE RECONSIDERED—MUD VOLCANISM, SYNGENETIC FAULTING, AND PALEOBATHYMETRY
JOHNSTON, Paul A., Department of Earth and Environmental Sciences, Mount Royal University, 4825 Mount Royal Gate SW, Calgary, AB T3E 6K6, Canada, JOHNSTON, Kimberley J., (deceased) formerly Department of Earth Science & Engineering, Imperial College, London, SW7 2AZ, United Kingdom and KEITH, Stanley B., MagmaChem Exploration, Sonoita, AZ 85637, pajohnston@mtroyal.ca
9:40 AM
CONSTRAINTS ON URANIUM ISOTOPE FRACTIONATION AND RELATED RECONSTRUCTIONS OF PAST MARINE REDOX CONDITIONS FROM THE MIOCENE MONTEREY FORMATION (Invited Presentation)
LAU, Kimberly V.1, HANCOCK, Leanne G.1, MAHER, Kate2, SEVERMANN, Silke3, KUZMINOV, Amy3, BEHL, Richard J.4 and LYONS, Timothy W.1, (1)Department of Earth Sciences, University of California, Riverside, CA 92521, (2)Department of Geological Sciences, Stanford University, 450 Serra Mall, Building 320, Stanford, CA 94305, (3)Marine and Coastal Sciences, Rutgers University, 71 Dudley Road, New Brunswick, NJ 08901, (4)Geological Sciences, California State University, Long Beach, 1250 Bellflower Blvd, Long Beach, CA 90840, kvlau@ucr.edu
 
10:00 AM
Break
10:15 AM
NEW APPROACHES TO ACCESSING HIGH-RESOLUTION BIOGEOCHEMICAL SIGNALS FROM ANCIENT ORGANIC MATERIALS
JUNIUM, Christopher K.1, UVEGES, Benjamin Thornton Iglar2, IVANY, Linda C.2, MARTINDALE, Rowan C.3, COHEN, Phoebe4, DAS, Shibajyoti2, HICKEY, Alaina N.2 and KING PHILLIPS, Ezekiel J.4, (1)Department of Earth Sciences, Syracuse University, 204 Heroy Geology Laboratory, Syracuse, NY 13244, (2)Department of Earth Sciences, Syracuse University, Syracuse, NY 13244, (3)Jackson School of Geosciences, University of Texas at Austin, 2275 Speedway, Austin, TX 78712, (4)Geosciences, Williams College, 203 Clark Hall, Williamstown, MA 01267, ckjunium@syr.edu
10:30 AM
NITROGEN ISOTOPES IN FOSSIL SCLERACTINIAN CORALS: EVIDENCE OF PHOTOSYMBIOSIS AND NUTRIENT CYCLING IN DEEP TIME
TORNABENE, Chiara, Jackson School of Geosciences, The University of Texas at Austin, 2275 Speedway Stop C9000, Austin, TX 78759, MARTINDALE, Rowan C., Jackson School of Geosciences, University of Texas at Austin, 2275 Speedway, Austin, TX 78712, WANG, Xingchen T., Division of Geological and Planetary Sciences, California Institute of Technology, 1200 East California Blvd., Pasadena, CA 91125 and SCHALLER, Morgan F., Department of Earth and Environmental Sciences, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY 12180, martindale@jsg.utexas.edu
10:45 AM
EXCEPTIONAL PRESERVATION OF GLYCINE-RICH PROTEINS AND SHELL ULTRASTRUCTURE IN PINNID BIVALVES
MYERS, Corinne, Earth and Planetary Sciences, University of New Mexico, Northrop Hall, Albuquerque, NM 87108, BERGMANN, Kristin, Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Ave, 54-1014, Cambridge, MA 02139, SUN, Chang-Yu, Department of Physics, University of Wisconsin-Madison, Madison, WI 53706, TAMRE, Erik, Earth and Planetary Science, Harvard, Cambridge, MA 02138, MARCUS, Matthew, Advanced Light Source (ALS), Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, BOEKELHEIDE, Nicholas, Department of Chemistry, Colby College, Waterville, ME 04901, KNOLL, Andrew H., Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138 and GILBERT, P.U.P.A., Department of Physics, University of Wisconsin – Madison, 1150 University Avenue, Madison, WI 53706, cemyers@unm.edu
11:00 AM
UNTANGLING THE DIET OF HERBIVOROUS DINOSAURS FROM THE MINERALIZATION OF THEIR DUNG: A STABLE ISOTOPE ANALYSIS OF COPROLITES
PLAZA-TORRES, Stephanie, Department of Geology, University of Puerto Rico at Mayagüez, PO Box 9000, Mayagüez, PR 00681-9000, DAVIDHEISER-KROLL, Brett, Geological Sciences, University of Colorado Boulder, 2200 Colorado Ave, Boulder, CO 80309, CHIN, Karen, Geological Sciences and Museum of Natural History, University of Colorado Boulder, UCB 265, Boulder, CO 80309 and WING, Boswell, Geological Sciences, University of Colorado Boulder, UCB 399, Boulder, CO 80309, stephanie.plaza1997@gmail.com
11:15 AM
A CARBONATE CLUMPED ISOTOPE CALIBRATION OF GAR SCALE APATITE
GRAY, Katelyn E.1, PAGANI, Mark1, HENKES, Gregory A.2 and BLAKE, Ruth E.1, (1)Department of Geology and Geophysics, Yale University, 210 Whitney Ave, New Haven, CT 06511, (2)Geosciences, Stony Brook University, Earth and Space Sciences Building, Stony Brook, NY 11794-2100, katelyn.gray@yale.edu
11:30 AM
GEOMETRIC MORPHOMETRIC ANALYSES OF CTENA ORBICULATA (LUCINIDAE:BIVALVIA) FROM MARINE LAKES OF SAN SALVADOR ISLAND, THE BAHAMAS, AND SURROUNDING COASTAL ENVIRONMENTS
KOKESH, Broc S., Geology and Geological Engineering, South Dakota School of Mines and Technology, 501 East St. Joseph St, Rapid City, SD 57701, ANDERSON, Laurie C., Geology and Geological Engineering, South Dakota School of Mines and Technology, 501 East St. Joseph St, Rapid City, SD 57702 and ENGEL, Annette Summers, Department of Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996, Broc.Kokesh@mines.sdsmt.edu
11:45 AM
DEGRADATION OF INTERNAL ORGANIC MATTER IS A MAJOR CONTROL ON PTEROPOD SHELL DISSOLUTION AFTER DEATH
OAKES, Rosie L.1, PECK, Victoria L.2, MANNO, Clara2 and BRALOWER, Timothy J.3, (1)Academy of Natural Sciences, 1900 Benjamin Franklin Parkway, Philadelphia, PA 19103; Department of Geosciences, The Pennsylvania State University, Deike Building, University Park, PA 16802, (2)British Antarctic Survey, High Cross, Madingley Rd, Cambridge, CB30ET, United Kingdom, (3)Department of Geosciences, The Pennsylvania State University, University Park, PA 16801, rosie.l.oakes@gmail.com
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