GSA Connects 2021 in Portland, Oregon

Session No. 141
Tuesday, 12 October 2021: 8:00 AM-12:00 PM
E145 (Oregon Convention Center)

T89. The Evolution of Early Phanerozoic Oceans: A Geobiological Perspective

Paleontological Society; GSA Geobiology and Geomicrobiology Division; GSA Marine and Coastal Geoscience Division; Geochemical Society

 

Pedro Monarrez, Joshua Zimmt and Richard Stockey, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
8:05 AM
TOWARD A HOLISTIC ASSESSMENT OF PROTEROZOIC ANTECEDENTS OF ANIMALS - EPIGENETIC REGULATION EVOLVED IN RESPONSE TO CHANGING REDOX CONDITIONS AND IS THEN CO-OPTED FOR THE EVOLUTION OF COMPLEX METAZOA
JACOBS, David, SPECK, Hayden, ZHANG, Paige and ABRECHT, Mira, Dept. Ecology and Evolutionary Biology/Earth, Planetary & Space Sciences, Univ California - Los Angeles, 610 Charles E. Young Dr. East, Los Angeles, CA 90095
8:20 AM
PRIAPULID TRACE FOSSILS FROM THE LATE EDIACARAN OF NAMIBIA
TURK, Katherine1, MALONEY, Katie2, LAFLAMME, Marc2 and DARROCH, Simon A.F.1, (1)Department of Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235, (2)Department of Chemistry and Physical Sciences, University of Toronto, Mississauga, ON L5L1C6, Canada
8:35 AM
DECIPHERING EARLY CAMBRIAN LOPHOTROCHOZOAN RELATIONSHIPS USING TOMMOTIID SCLERITE MICROORNAMENT AND ULTRASTRUCTURE
FJELD, Alyssa, Bsc. Geo/Bio, BROCK, Glenn A. and ZHANG, Zhiliang, Palaeobiology Department, Macquarie University, 6 Science Road, Macquarie Park, NSW 2109, Australia
 
8:50 AM
Introduction of Sara Pruss
8:55 AM
SKELETAL ABUNDANCE AND EARLY ANIMAL REEFS: HOW REEF OCCURRENCES INFLUENCED SKELETONS IN EARLY PALEOZOIC SEAS (Invited Presentation)
PRUSS, Sara B., Department of Geosciences, Smith College, Northampton, MA 01063, SMITH, Emily F., Department of Earth and Planetary Sciences, Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218 and NOLAN, Rhiannon, Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131
9:15 AM
MID CAMBRIAN GOGIID MIGRATION BETWEEN THE SOUTH CHINA PLATE AND LAURENTIA BY WAY OF SIBERIA
PARSLEY, Ronald, Dept. of Earth and Environmental Sciences, Tulane University, New Orleans, LA 70118; Dept of Paleozoology, National Museum of Natural History, Smithsonian Institution, Washington, DC 70118, ROZHNOV, Sergey, Borissiak Paleontological Institute PAS, Profsoyuznaya str. 123, Moscow, 117647, Russian Federation and SUMRALL, Colin, Department of Earth and Planetary Sciences, University of Tennessee, 602 Strong Hall, 1621 Cumberland Avenue, Knoxville, TN 37996
9:30 AM
SEDIMENTARY MERCURY AS A PROXY FOR REDOX OSCILLATIONS DURING THE CAMBRIAN SPICE EVENT IN WESTERN NEWFOUNDLAND
HAGEN, Amy, Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, JONES, David S., Geology Department, Amherst College, 11 Barrett Hill Road, Amherst, MA 01002, FIKE, David A., Earth and Planetary Sciences, Washington University in St. Louis, One Brookings Drive, Campus Box 1169, St Louis, MA 63130, TOSCA, Nicholas J., Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ, United Kingdom and PRUSS, Sara B., Department of Geosciences, Smith College, Northampton, MA 01063
9:45 AM
A HIGH-RESOLUTION INVESTIGATION OF THE δ13CCARB AND δ15N RECORDS OF THE LATE CAMBRIAN SPICE EVENT
BARNES, Gwen1, CRAMER, Bradley1, CLARK, Ryan2, BANCROFT, Alyssa M.2 and TASSIER-SURINE, Stephanie2, (1)Department of Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242, (2)Iowa Geological Survey, University of Iowa, 340 Trowbridge Hall, Iowa City, IA 52242
 
10:00 AM
Break
 
10:10 AM
Introduction of Young Scientist Award (Donath Medal), by Murray Gingras
10:15 AM
YOUNG SCIENTIST AWARD (DONATH MEDAL): TRACKING AND MODELING THE DEVELOPMENT OF THE SEDIMENTARY MIXED LAYER
TARHAN, Lidya, Yale University Dept. Earth and Planetary Sciences, PO Box 208109, New Haven, CT 06520-8109
10:35 AM
MULTIPLE INCREASES IN ATMOSPHERIC OXYGEN AND MARINE PRODUCTIVITY THROUGH THE NEOPROTEROZOIC AND PALEOZOIC
STOCKEY, Richard1, COLE, Devon B.2, PLANAVSKY, Noah3, FARRELL, Una C.4, SPERLING, Erik1 and SGP TRACE METAL WORKING GROUP, The1, (1)Department of Geological Sciences, Stanford University, 450 Jane Stanford Way, Building 320, Room 118, Stanford, CA 94305-2115, (2)School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30318, (3)Department of Earth and Planetary Sciences, Yale University, New Haven, CT 06511, (4)Department of Geology, Trinity College Dublin, College Green, Dublin, 2, Ireland
10:50 AM
THE ROLE OF TECTONIC, CLIMATIC, AND BIOTIC BOUNDARY CONDITIONS IN CONTROLLING PLANKTON DIVERSITY
XU, Sherry1, HULL, Pincelli M.2, HÜLSE, Dominik3 and RIDGWELL, Andy3, (1)Department of Earth and Planetary Sciences, Yale University, 210 Whitney Ave., New Haven, CT 06511, (2)Department of Earth and Planetary Sciences, Yale University, 210 Whitney Ave, New Haven, CT 06511, (3)Department of Earth and Planetary Sciences, University of California, Riverside, 900 University Ave., Riverside, CA 92521
11:05 AM
DISPARIFICATION BEFORE, DURING, OR AFTER DIVERSIFICATION? TESTING AN EARLY BURST HYPOTHESIS FOR FUNCTIONAL DIVERSITY IN EARLY PALEOZOIC BIVALVES
ZHOU, Sharon, University of Chicago, Chicago, IL 60637, COLLINS, Katie S., The Natural History Museum, London, IL, United Kingdom, EDIE, Stewart, Smithsonian Institution, National Museum of Natural History, Department of Paleobiology, Washington, DC 20560 and JABLONSKI, David, Department of the Geophysical Sciences, University of Chicago, Chicago, IL 60637
11:20 AM
DID A TECTONIC UPLIFT AND BASALTIC WEATHERING ENHANCE NUTRIENT DELIVERY TO THE MIDDLE ORDOVICIAN OCEANS?
ADIATMA, Yoseph, School of Earth Sciences, The Ohio State University, 275 Mendenhall Lab., 125 South Oval Mall, Columbus, OH 43210, SALTZMAN, Matthew, School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 S Oval Mall, Columbus, OH 43210, EDWARDS, Cole, Department of Geological and Environmental Sciences, Appalachian State University, 572 Rivers St., Boone, NC 28608 and GRIFFITH, Elizabeth M., School of Earth Sciences, The Ohio State University, 125 S Oval Mall, Columbus, OH 43210
11:35 AM
MY BIOGEOCHEMICAL ROMANCE: EXPLORING RELATIONSHIPS BETWEEN MICROBIAL COMMUNITIES AND THEIR REDOX ENVIRONMENTS IN THE LATE ORDOVICIAN UTICA-POINT PLEASANT FORMATION
RITZER, Samantha, Department of Geological Sciences, Stanford University, 450 Jane Stanford Way, Stanford, CA 94305, BROCKS, Jochen J., The Australian National University, Research School of Earth Sciences, Canberra, WA ACT, Australia and SPERLING, Erik, Department of Geological Sciences, Stanford University, Stanford, CA 94305
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