Geological Society of America

8:05 AM

ASSESSING THE RELATIONSHIP BETWEEN BIOTURBATION INTENSITY AND ORGANIC CARBON PRESERVATION IN MIDDLE PALEOZOIC SEDIMENTS

Katherine Pippenger, Yale University, New Haven, CT and Dana Polomski, Massachusetts Institute of Technology, Cambridge, MA and Dana Polomski, Yale University, New Haven, CT and Lidya Tarhan, Yale University, New Haven, CT

404187 (Technical Sessions)

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

Caroline Mackin, Univeristy of Texas at Austin, Austin, TX and Caroline Mackin, University of Texas at Austin, Austin, TX and Christopher Lowery, University of Texas, Austin, TX and Chiara Borrelli, University of Rochester, Rochester, NY

402762 (Technical Sessions)

8:35 AM

INSIGHT INTO MINERAL FABRICS, BIOFABRICS, AND CHANNEL ARCHITECTURE TO COMPREHENSIVELY CHARACTERIZE MICROBIALITE TEXTURE

Victoria Cassady, University of Southern California, Los Angeles, CA and Victoria A. Petryshyn, University of Southern California, Los Angeles, CO and Joan Bernhard, Woods Hole Oceanographic Institution, Woods Hole, MA and Florian Hofmann, University of Alaska Fairbanks, Fairbanks, AK and Aaron Celestian, Natural History Museum of Los Angeles, Los Angeles, CA and Will Berelson, USCEarth Sciences, Los Angeles, CA and Emily H.G. Cooperdock, University of Southern California Earth Sciences, Los Angeles, RI and David Bottjer, University of Southern California, Los Angeles, CA and Frank Corsetti, University of Southern California, Los Angeles, CA

405114 (Technical Sessions)

8:50 AM

DIVERSE MICROFOSSILS AND TAPHONOMIC WINDOWS IN THE CRYOGENIAN NON-GLACIAL INTERLUDE IKIAKPUK GROUP OF THE BROOKS RANGE, ALASKA

Kelsey Moore, Johns Hopkins University, Baltimore, MD and Sara B. Pruss, Smith College, Northampton, MA and Sara B. Pruss, Smith College, Northampton, MA and Emily F. Smith, Johns Hopkins University, Baltimore, MD and Maya Gomes, Johns Hopkins University, Baltimore, MD

404214 (Technical Sessions)

9:05 AM

CONSTRAINING THE EVOLUTION OF MICROBIAL EXTRACELLULAR ENZYMES IN THE EARLY OCEAN

Nagissa Mahmoudi, McGill University, Montreal, QC

402927 (Technical Sessions)

9:25 AM

NITROGEN SOURCES AND CYCLING IN THE FRASASSI CAVES, ITALY: IMPLICATIONS FOR NITROGEN CYCLING IN THE SHALLOW SUBSURFACE

Mackenzie Best, New Mexico Institute of Mining and Technology, Socorro, NM and Scott D. Wankel, Woods Hole Oceanographic Institution, Woods Hole, MA and Heather V. Graham, Astrobiology Analytical Laboratory, Greenbelt, MD and Jennifer C. Stern, Astrobiology Analytical Laboratory, Greenbelt, MD and Jennifer Macalady, Pennsylvania State University, University Park, PA and Maurizio Mainiero, Ancona and Nicu-Viorel Atudorei, University of New Mexico, Albuquerque, NM and Daniel Jones, New Mexico Institute of Mining and Technology, Socorro, NM and Daniel Jones, Carlsbad, NM

403897 (Technical Sessions)

9:40 AM

INVESTIGATING THE MOLECULAR COMPOSITION OF MIDDLE ORDOVICIAN AND UPPER SILURIAN MICROFOSSILS USING MASS SPECTROMETRY AT THE MICROSCALE

Mathilde Bon, UMR 8187 LOG Laboratoire d'Océanologie et de Géosciences, Lille and Mathilde Bon, UMR 8523 - PhLAM, Laboratoire de Physique des Lasers, Atomes et Molécules, Lille and Mathilde Bon, Ghent University, Ghent and Kevin Lepot, UMR 8187 LOG Laboratoire d'Océanologie et de Géosciences, Lille and Kevin Lepot, Paris and Yvain Carpentier, UMR 8523 - PhLAM, Laboratoire de Physique des Lasers, Atomes et Molécules, Lille and Fabrice Bray, UAR 3290 - MSAP Laboratoire Miniaturisation pour la Synthèse, l’Analyse et la Protéomique, Lille and Armelle Riboulleau, UMR 8187 LOG Laboratoire d'Océanologie et de Géosciences, Lille and Nicolas Nuns, FR 2638 - IMEC - Institut Michel-Eugène Chevreul, Lille and Christian Rolando, UAR 3290 - MSAP Laboratoire Miniaturisation pour la Synthèse, l’Analyse et la Protéomique, Lille and Cristian Focsa, UMR 8523 - PhLAM, Laboratoire de Physique des Lasers, Atomes et Molécules, Lille and Thijs R.A. Vandenbroucke, Ghent University, Ghent

404561 (Technical Sessions)

10:00 AM

MICROBIAL PRODUCTION OF COPROSTANOL: IMPLICATIONS FOR EARLY ANIMALS AND REAPPRAISAL OF THE BIOMARKER

Christopher Mulligan, UC, Davis, Davis, CA and David A. Gold, UC, Davis, Davis, CA

404360 (Technical Sessions)

10:15 AM

NEW INSIGHTS INTO EARLY VASCULAR LAND PLANTS AS GEOBIOLOGICAL AGENTS OF PHOSPHORUS WEATHERING

Sydney Riemer, Yale University, New Haven, CT and Spencer R. Moller, Yale University, New Haven, CT and Emily Ellefson, Stanford University, Stanford, CA and Keith Dewing, Calgary, AB and Michael Melchin, St. Francis Xavier University Earth Sciences, Antigonish, NS and Ruth E. Blake, Yale University, New Haven, CT and Noah J. Planavsky, Yale University, New Haven, CT and Erik A. Sperling, Stanford University, Stanford, CA and Lidya Tarhan, Yale University, New Haven, CT

401637 (Technical Sessions)

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

Shannon Brophy, University of Southern California, Los Angeles, CA and David Bottjer, University of Southern California, Los Angeles, CA

404765 (Technical Sessions)

11:00 AM

NICHE VARIATIONS OF TWO CARIBBEAN ACROPORID SPECIES AND THEIR HYBRID

Anupama Chandroth, Indiana University, Bloomington, IN and Claudia Johnson, Indiana University, Bloomington, IN

401755 (Technical Sessions)

T2 New Voices in Geobiology

Presentations