GSA Annual Meeting in Phoenix, Arizona, USA - 2019

Session No. 220
Tuesday, 24 September 2019: 1:30 PM-5:30 PM
Room 226ABC, North Building (Phoenix Convention Center)

T106. Biogeochemical Signatures of Fossils: From Paleoclimate to Diagenesis

GSA Geobiology & Geomicrobiology Division; GSA Soils and Soil Processes Division; GSA Limnogeology Division

 

John David Fortner, Advocates
Paper #
Start Time
1:30 PM
BIG TO SMALL: BIOGEOCHEMICAL SIGNALS OF DINOSAURS TO OSTRACODS AND EVERYTHING IN BETWEEN (Invited Presentation)
SUAREZ, Celina1, KOHN, Matthew J.2, SUAREZ, Marina B.3, TRAVIS TAYLOR, Leah M.4, YAMAMURA, Daigo5, JACKSON, Thea1, OBERG, Danielle1, PARK BOUSH, Lisa E.6, MINZONI, Rebecca Totten4, TITUS, Alan7, TOMPKINS, Tristan1, FRUCCI, Mason N.8 and ANTONIETTO, Lucas S.9, (1)Geosciences, University of Arkansas, 216 Gearhart Hall, Fayetteville, AR 72701, (2)Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535, (3)Department of Geology, University of Kansas, 1414 Naismith Drive, Lawrence, KS 66045, (4)Department of Geological Sciences, University of Alabama, 201 7th Street, Tuscaloosa, AL 35487, (5)Department of Geoscience, University of Arkansas, 216 Gearhart Hall, Fayetteville, AR 72701, (6)Department of Geosciences, University of Connecticut, 354 Mansfield Road U-1045, Storrs, CT 06269, (7)Bureau of Land Management, Grand Staircase-Escalante National Monument, 669 S. Highway 89A, Kanab, UT 84741, (8)Department of Geosciences, Baylor University, Waco, TX 76798, (9)Center for Integrative Geosciences, University of Connecticut, 354 Mansfield Road, Unit 1045, Beach Hall, Room 244, Storrs, CT 06269
1:50 PM
EVIDENCE FOR CONIFER-DERIVED LEAF WAX N-ALKANES IN PALEOGENE SEDIMENTS AND IMPLICATIONS FOR THEIR HYDROGEN AND CARBON ISOTOPES
SCHLANSER, Kristen M.1, DIEFENDORF, Aaron F.1, WEST, Christopher K.2, GREENWOOD, David R.3, BASINGER, James F.2 and NAAKE, Hans1, (1)Department of Geology, University of Cincinnati, 500 Geology/Physics Building, Cincinnati, OH 45221-0013, (2)Department of Geological Sciences, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada, (3)Dept. of Biology, Brandon University, J.R. Brodie Science Centre, 270-18th Street, Brandon, MB R7A 6A9, Canada
2:05 PM
DIAGENETIC HETEROGENEITY OF TIME-AVERAGED VERTEBRATE REMAINS IN MARINE SETTINGS: A TEST CASE OF THE MIOCENE SHARKTOOTH HILL BONE BED, CALIFORNIA
LAKER, Rachel M., Department of Geophysical Sciences, University of Chicago, Chicago, IL 60637
2:20 PM
NORIAN ARIDIFICATION TRENDS IN THE DIAGENETIC ENVIRONMENT REVEALED THROUGH GEOCHEMICAL ANALYSIS OF CHINLE FORMATION PHYTOSAUR TOOTH DENTIN
FORTNER, John David, Roy M. Huffington Department of Earth Sciences, Southern Methodist University, 3225 University Blvd, Dallas, TX 75205 and TABOR, Neil J., Roy M. Huffington Department of Earth Sciences, Southern Methodist University, 3225 Daniel Ave, Dallas, TX 75205
220-5
2:35 PM
Withdrawn
 
2:50 PM
Break
3:05 PM
DID MOSASAURS NEED TO DRINK FRESHWATER? OXYGEN ISOTOPE EVIDENCE OF ESTUARINE INCURSION BY THE MARINE REPTILE CLIDASTES PROPYTHON, MOOREVILLE CHALK, ALABAMA
TRAVIS TAYLOR, Leah M.1, MINZONI, Rebecca Totten1, SUAREZ, Celina2 and EHRET, Dana J.3, (1)Department of Geological Sciences, University of Alabama, 201 7th Street, Tuscaloosa, AL 35487, (2)Department of Geosciences, University of Arkansas, 113 Ozark Hall, Fayetteville, AR 72701, (3)New Jersey State Museum, NJ State Museum, PO Box 530, Trenton, NJ 08625
3:20 PM
FLUORESCENCE PROPERTIES OF EXCEPTIONALLY PRESERVED COLORED LEAVES FROM THE PLIOCENE OF THE WILLERSHAUSEN LAGERSTÄTTE, GERMANY
WOLKENSTEIN, Klaus and ARP, Gernot, University of Göttingen, Geoscience Centre, Department of Geobiology, Goldschmidtstraße 3, Göttingen, D-37077, Germany
3:35 PM
UTILIZING X-RAY TOMOGRAPHIC MICROSCOPY TO SYSTEMATICALLY TRACK DECAY IN TAPHONOMIC STUDIES
SELLY, Tara, Department of Geological Sciences, University of Missouri, 101 Geological Sciences Building, Columbia, MO 65211; X-ray Microanalysis Core, University of Missouri, 101 Geological Sciences Building, Columbia, MO 65211, ANDERSON, Evan P., Geological Sciences, University of Missouri, 101 Geological Sciences Building, Columbia, MO 65211 and SCHIFFBAUER, James D., X-ray Microanalysis Core, University of Missouri, 101 Geological Sciences Building, Columbia, MO 65211; Geological Sciences, University of Missouri, 101 Geological Sciences Building, Columbia, MO 65211
3:50 PM
MG/CA RATIOS OF CRINOID COLUMNALS IN PENNSYLVANIAN COAL BALLS: IMPLICATIONS FOR RECONSTRUCTING MG/CA RATIOS OF PENNSYLVANIAN SEAWATER
CHRPA, Michelle E., RAYMOND, Anne and LAMB, William M., Department of Geology & Geophysics, Texas A&M University, College Station, TX 77843
4:05 PM
CRUSTACEANS AND CHELICERATES IN CATCHMENTS AND CRATERS: SOFT-BODIED PRESERVATION OF THE LOWER PALEOZOIC WAUKESHA AND WINNESHIEK BIOTAS
ANDERSON, Evan P.1, HUNTLEY, John Warren1 and SCHIFFBAUER, James D.2, (1)Geological Sciences, University of Missouri, 101 Geological Sciences Building, Columbia, MO 65211, (2)X-ray Microanalysis Core, University of Missouri, 101 Geological Sciences Building, Columbia, MO 65211
4:20 PM
THE VERTEBRATE TRIPLE OXYGEN ISOTOPE CO2 BAROMETER: PROGRESS AND CHALLENGES (Invited Presentation)
PASSEY, Benjamin H., Department of Earth & Environmental Sciences, University of Michigan, 1100 North University Avenue, Ann Arbor, MI 48109, HU, Huanting, Shanghai Jiao Tong University, Shanghai, China and WASILJEFF, Joonas A.M., Department of Geosciences and Geography, University of Helsinki, Gustaf Hällströmin katu 2 (Physicum) P.O. Box 64 00014 University of Helsinki, Helsinki, Finland
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