GSA Connects 2024 Meeting in Anaheim, California

Session No. 2
Sunday, 22 September 2024: 8:00 AM-12:00 PM
208A (Anaheim Convention Center)

T28. New Voices in Geobiology

GSA Geobiology and Geomicrobiology Division

 

John Spear, Nagissa Mahmoudi, Dylan Wilmeth, Lucy Webb, Victoria A. Petryshyn and Trinity Hamilton, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
2-1
8:05 AM
ASSESSING THE RELATIONSHIP BETWEEN BIOTURBATION INTENSITY AND ORGANIC CARBON PRESERVATION IN MIDDLE PALEOZOIC SEDIMENTS
PIPPENGER, Katherine1, POLOMSKI, Dana2 and TARHAN, Lidya1, (1)Department of Earth and Planetary Sciences, Yale University, New Haven, CT 06511, (2)Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139; Department of Earth and Planetary Sciences, Yale University, New Haven, CT 06511
2-2
8:20 AM
USING LASER GRAIN SIZE ANALYSIS TO INVESTIGATE CHANGES IN SURFACE CARBONATE PRODUCERS IN THE SOUTHEASTERN ATLANTIC (WALVIS RIDGE) ACROSS THE EOCENE-OLIGOCENE TRANSITION
MACKIN, Caroline, Jackson School of Geosciences, Univeristy of Texas at Austin, 23 San Jacinto Blvd,, Austin, TX 78712; Institute for Geophysics, University of Texas at Austin, Austin, TX 78712, LOWERY, Christopher, Institute for Geophysics, University of Texas, JJ Pickle Research Campus, Bldg 196, 10100 Burnet Rd, Austin, TX 78758 and BORRELLI, Chiara, Department of Earth and Environmental Sciences, University of Rochester, Dept. of Earth and Environmental Sciences, 227 Hutchison Hall, Rochester, NY 14627
2-3
8:35 AM
INSIGHT INTO MINERAL FABRICS, BIOFABRICS, AND CHANNEL ARCHITECTURE TO COMPREHENSIVELY CHARACTERIZE MICROBIALITE TEXTURE
CASSADY, Victoria1, PETRYSHYN, Victoria A.2, BERNHARD, Joan M.3, HOFMANN, Florian4, CELESTIAN, Aaron5, BERELSON, Will6, COOPERDOCK, Emily H.G.7, BOTTJER, David8 and CORSETTI, Frank1, (1)Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, ZHS 119, Los Angeles, CA 90089, (2)Environmental Studies Program, University of Southern California, Los Angeles, CO 90089, (3)Department of Geology & Geophysics, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, (4)Geophysical Institute, University of Alaska Fairbanks, 1930 Yukon Dr, Fairbanks, AK 99775, (5)Mineral Sciences, Natural History Museum of Los Angeles, Los Angeles, CA 90007, (6)USCEarth Sciences, Los Angeles, CA 90089, (7)University of Southern California Earth Sciences, 3651 Trousdale Pkwy Ste 117, Los Angeles, RI 90089-0740, (8)Department of Earth Sciences, University of Southern California, 3651 Trousdale Pwky, ZHS 119, Los Angeles, CA 90089-0740
2-4
8:50 AM
DIVERSE MICROFOSSILS AND TAPHONOMIC WINDOWS IN THE CRYOGENIAN NON-GLACIAL INTERLUDE IKIAKPUK GROUP OF THE BROOKS RANGE, ALASKA
MOORE, Kelsey1, PRUSS, Sara B.2, SMITH, Emily F.3 and GOMES, Maya1, (1)Department of Earth and Planetary Sciences, Johns Hopkins University, 3400 N. Charles St., Baltimore, MD 21218, (2)Department of Geosciences, Smith College, Northampton, MA 01063; Department of Geosciences, Smith College, Northampton, MA 01063, (3)Department of Earth and Planetary Sciences, Johns Hopkins University, Baltimore, MD 21218
2-5
9:05 AM
CONSTRAINING THE EVOLUTION OF MICROBIAL EXTRACELLULAR ENZYMES IN THE EARLY OCEAN (Invited Presentation)
MAHMOUDI, Nagissa, Department of Earth and Planetary Sciences, McGill University, 3450 University Street, Montreal, QC H3A 0E8, Canada
2-6
9:25 AM
NITROGEN SOURCES AND CYCLING IN THE FRASASSI CAVES, ITALY: IMPLICATIONS FOR NITROGEN CYCLING IN THE SHALLOW SUBSURFACE
BEST, Mackenzie1, WANKEL, Scott D.2, GRAHAM, Heather V.3, STERN, Jennifer C.3, MACALADY, Jennifer, Ph.D.4, MAINIERO, Maurizio5, ATUDOREI, Nicu-Viorel6 and JONES, Daniel7, (1)Department of Earth and Evironmental Sciences, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, (2)Department of Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, (3)NASA Goddard Space Flight Center, Astrobiology Analytical Laboratory, Code 691, Bldg 34, Room S139, Greenbelt, MD 20771, (4)Geosciences, Pennsylvania State University, University Park, PA 16802, (5)Gruppo Speleologico Marchigiano, Ancona, Italy, (6)Center for Stable Isotopes, University of New Mexico, Albuquerque, NM 87106, (7)Department of Earth and Environmental Science, New Mexico Institute of Mining and Technology, 801 Leroy Pl, Socorro, NM 87801; National Cave and Karst Research Institute, Carlsbad, NM 88220
2-7
9:40 AM
INVESTIGATING THE MOLECULAR COMPOSITION OF MIDDLE ORDOVICIAN AND UPPER SILURIAN MICROFOSSILS USING MASS SPECTROMETRY AT THE MICROSCALE
BON, Mathilde1, LEPOT, Kevin2, CARPENTIER, Yvain3, BRAY, Fabrice4, RIBOULLEAU, Armelle5, NUNS, Nicolas6, ROLANDO, Christian4, FOCSA, Cristian3 and VANDENBROUCKE, Thijs R.A.7, (1)Univ. Lille, CNRS, Univ. Littoral Côte d’Opale, IRD, UMR 8187 LOG Laboratoire d'Océanologie et de Géosciences, Lille, F-59000, France; Univ. Lille, CNRS, UMR 8523 - PhLAM, Laboratoire de Physique des Lasers, Atomes et Molécules, Lille, F-59000, France; Department of Geology, Ghent University, Krijgslaan 281 / S8, Ghent, 9000, Belgium, (2)Université de Lille, CNRS, Univ. Littoral Côte d’Opale, IRD, UMR 8187 LOG Laboratoire d'Océanologie et de Géosciences, Lille, F-59000, France; Institut Universitaire de France, Paris, F-75000, France, (3)Univ. Lille, CNRS, UMR 8523 - PhLAM, Laboratoire de Physique des Lasers, Atomes et Molécules, Lille, F-59000, France, (4)Univ. Lille, CNRS, UAR 3290 - MSAP Laboratoire Miniaturisation pour la Synthèse, l’Analyse et la Protéomique, Lille, F-59000, France, (5)Univ. Lille, CNRS, Univ. Littoral Côte d’Opale, IRD, UMR 8187 LOG Laboratoire d'Océanologie et de Géosciences, Lille, F-59000, France, (6)Univ. Lille, CNRS, INRAE, Centrale Lille, Univ. Artois, FR 2638 - IMEC - Institut Michel-Eugène Chevreul, Lille, F-59000, France, (7)Department of Geology, Ghent University, Krijgslaan 281 / S8, Ghent, B-9000, Belgium
 
9:55 AM
Discussion
2-8
10:00 AM
MICROBIAL PRODUCTION OF COPROSTANOL: IMPLICATIONS FOR EARLY ANIMALS AND REAPPRAISAL OF THE BIOMARKER
MULLIGAN, Christopher and GOLD, David A., Earth & Planetary Sciences, UC, Davis, 2119 Earth and Physical Sciences, One Shields Avenue, Davis, CA 95616
2-9
10:15 AM
NEW INSIGHTS INTO EARLY VASCULAR LAND PLANTS AS GEOBIOLOGICAL AGENTS OF PHOSPHORUS WEATHERING
RIEMER, Sydney1, MOLLER, Spencer R.1, ELLEFSON, Emily2, DEWING, Keith3, MELCHIN, Michael4, BLAKE, Ruth E.1, PLANAVSKY, Noah J.1, SPERLING, Erik A.2 and TARHAN, Lidya1, (1)Department of Earth and Planetary Sciences, Yale University, New Haven, CT 06511, (2)Department of Earth and Planetary Sciences, Stanford University, Stanford, CA 94305, (3)Geological Survey of Canada, Calgary, AB T2L, Canada, (4)St. Francis Xavier University Earth Sciences, Antigonish, NS B2G2V5, CANADA
10:30 AM
DYNAMIC HYDROCARBON SEEPAGE ACROSS THE CENOMANIAN-TURONIAN BOUNDARY IN THE WESTERN INTERIOR SEAWAY AND ITS EFFECTS ON MACROINVERTEBRATE FAUNA DURING OCEANIC ANOXIC EVENT 2
BROPHY, Shannon, Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, ZHS 119, Los Angeles, CA 90089 and BOTTJER, David, Department of Earth Sciences, University of Southern California, 3651 Trousdale Pwky, ZHS 119, Los Angeles, CA 90089-0740
2-11
10:45 AM
Withdrawn
11:00 AM
NICHE VARIATIONS OF TWO CARIBBEAN ACROPORID SPECIES AND THEIR HYBRID
CHANDROTH, Anupama and JOHNSON, Claudia, Department of Earth and Atmospheric Sciences, Indiana University, Bloomington, IN 47405
2-13
11:15 AM
Withdrawn
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