GSA 2020 Connects Online

Session No. 78
Tuesday, 27 October 2020: 1:30 PM-5:30 PM

T80. Biosediments: Tracking Biogenic Materials and Sedimentation Processes through Time

GSA Geobiology and Geomicrobiology Division; Paleontological Society; GSA Sedimentary Geology Division; GSA Limnogeology Division

 

Lydia S. Tackett and James H. Nebelsick, Advocates
Paper #
Start Time
1:30 PM
THE ROLE OF STRUCTURAL PARAMETERS OF BIOMINERALS IN THEIR PRESERVATION: A DATA-MINING APPROACH (Invited Presentation)
JAROCHOWSKA, Emilia1, SHIRLEY, Bryan2, DE BAETS, Kenneth2 and MUNNECKE, Axel3, (1)GeoZentrum Nordbayern, Fachgruppe Paläoumwelt, Universität Erlangen, Loewenichstr. 28, Erlangen, D-91054, Germany, (2)Fachgruppe Paläoumwelt, GeoZentrum Nordbayern, Friedrich-Alexander Universität Erlangen-Nürnberg, Loewenichstr. 28, Erlangen, 91054, Germany, (3)GeoZentrum Nordbayern, Friedrich-Alexander-University Erlangen-Nuremberg, Loewenichstr. 28, Erlangen, 91054, Germany
1:45 PM
LONG-TERM PRESERVATION (SEQUESTRATION) – OR NOT -- OF BIOGENIC CARBONATE: SHARED STAGES, BUT NOT RATES, OF MICROSTRUCTURAL STABILIZATION IN TROPICAL, TEMPERATE, & ARCTIC SEABEDS
KIDWELL, Susan M., Department of Geophysical Sciences, University of Chicago, Chicago, IL 60637 and MEADOWS, Caitlin A., Department of Geophyscial Sciences, University of Chicago, 5734 S. Ellis Avenue, Chicago, IL 60637
2:00 PM
INVESTIGATING THE INFLUENCE OF DIATOMS ON THE TEXTURES OF COATED GRAINS FROM A CARBONATE SPRING IN NORTHERN CALIFORNIA
BOELTS, Hannah, Department of Earth & Climate Sciences, San Francisco State University, San Francisco, CA 94132 and IBARRA, Yadira, Department of Earth & Climate Sciences, San Francisco State University, 1600 Holloway Ave., San Francisco, CA 94132
2:15 PM
DIAGENETIC MODIFICATIONS OF FILAMENTOUS MICROFOSSILS AND ASSOCIATED ORGANIC MATTER IN SILICEOUS HOT SPRING DEPOSITS FROM PUCHULDIZA, CHILE
JUAREZ RIVERA, Marisol, School of Earth and Space Exploration, Arizona State University, PO Box 871404, Tempe, AZ 85287 and FARMER, J.D., School of Earth and Space Exploration, Arizona State University, 781 Terrace Mall, Tempe, AZ 85287
 
2:30 PM
Discussion #1
2:45 PM
LAND-SEA CONNECTIVITY DURING A JURASSIC GLOBAL WARMING EVENT (Invited Presentation)
DANISE, Silvia1, SLATER, Sam2, VAJDA, Vivi2 and TWITCHETT, Richard J.3, (1)Università degli Studi di Firenze, Dipartimento di Scienze della Terra, Firenze, 50134, Italy, (2)Swedish Museum of Natural History, Department of Palaeobiology, Stockholm, SE-104 05, Sweden, (3)Department of Earth Sciences, The Natural History Museum, London, SW7 5BD, United Kingdom
3:00 PM
AN ENVIRONMENTAL BASELINE TO THE END-TRIASSIC CARBONATE CRISIS: LATE TRIASSIC FACIES OF THE GABBS FORMATION (NEVADA, USA)
CLEMENT, Annaka M., Department of Geosciences, North Dakota State University, NDSU Dept. 2745, PO Box 6050, Fargo, ND 58108-6050 and TACKETT, Lydia S., Department of Geosciences, North Dakota State University, NDSU Dept. 2745, P.O. Box 6050, Fargo, ND 58108-6050
3:15 PM
BIOSEDIMENTATION IN MIXED CARBONATE-SILICICLASTICS: USING COMPONENT ANALYSIS AND MICROTAPHOFACIES TO ANALYZE DEPOSITIONAL ENVIRONMENTS OF THE NORTH ALPINE FORELAND BASIN
NEBELSICK, James H., Department of Geosciences, University of Tübingen, Schnarrenbergstr. 94-96, Tübingen, 72074, Germany
 
3:30 PM
Discussion #2
3:45 PM
DIFFERENTIATING BETWEEN BURROWS AND MICROBIALLY-INDUCED MESOSTRUCTURES IN LATE ORDOVICIAN CARBONATES (Invited Presentation)
IBARRA, Yadira, BAYS, Andrew and SANON, Sonicah, Department of Earth & Climate Sciences, San Francisco State University, San Francisco, CA 94132
4:00 PM
CALIBRATION OF ARAGONITE SHELL LOSS RATES AND TIME-AVERAGING IN ARCTIC SEABEDS: BENTHIC ACTIVITY MAKES A TOUGH SITUATION TOUGHER
MEADOWS, Caitlin A., Department of the Geophysical Sciences, University of Chicago, 5734 S. Ellis Ave, Chicago, IL 60637, KIDWELL, Susan M., Department of Geophysical Sciences, University of Chicago, Chicago, IL 60637, KAUFMAN, D.S., Geology Program-School of Earth Sciences and Environmental Sustainability, Northern Arizona University, Flagstaff, AZ 86011 and TOMASOVYCH, Adam, Geological Institute, Slovak Academy of Sciences, Bratislava, 84005, Slovakia
4:15 PM
VARIATION IN THE DIAGENESIS OF WHALE BONES: INSIGHTS FROM SEQUENCE STRATIGRAPHY
LAKER, Rachel M., Department of Geophysical Sciences, University of Chicago, Chicago, IL 60637
4:30 PM
TIDAL FLOODING AND THE DISPERSAL OF MELAMPUS COFFEUS ON MANGROVE PEAT SUBSTRATES, KEY LARGO, FLORIDA
NEELY, Samuel H. and RAYMOND, Anne, Department of Geology & Geophysics, Texas A&M University, College Station, TX 77843
 
4:45 PM
Discussion #3
5:00 PM
WHAT IMPACTS THE RECORD OF THE BIOLOGICAL SULFUR CYCLE AT 2.63 GA?
HERNANDEZ, Emilia Sakai, Earth and Planetary Sciences, University of California - Davis, Earth and Physical Sciences, One Shields Avenue, Davis, CA 95616, WILLIFORD, Kenneth H., Department of Earth, Planetary, and Space Sciences, University of California-Los Angeles, 595 Charles E Young Dr E, Los Angeles, CA 90095-1567 and SUMNER, Dawn Y., Geology Department, University of California-Davis, One Shields Ave, Davis, CA 95616
5:10 PM
INSIGHTS FROM BENTHIC FORAMINIFERA ON LYTTELTON HARBOUR, NEW ZEALAND, SEDIMENT CONDITIONS AND ANTHROPOGENIC IMPACTS
DIETRICH, Zoë A., Department of Earth and Oceanographic Science, Bowdoin College, Brunswick, ME 04011 and REID, Catherine M., Department Geological Sciences, University of Canterbury, Christchurch, 8140, New Zealand
5:20 PM
ANALYZING THE THREE-DIMENSIONAL DISTRIBUTION OF A SHALLOW-MARINE BONEBED IN THE LOWER HORNERSTOWN FORMATION AT EDELMAN FOSSIL PARK, NJ
LONSDORF, Tara, Department of Geology, Rowan University, 201 Mullica Hill Rd, Glassboro, NJ 08028, VOEGELE, Kristyn, Department of Geology, Rowan University, 201 Mullica Hill, Glassboro, NJ 08028 and CHRISTMAN, Zachary, Department of Geography, Planning, and Sustainability, Rowan University, 201 Mullica Hill Rd, Glassboro, NJ 08028
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