GSA Connects 2022 meeting in Denver, Colorado

Session No. 227
Wednesday, 12 October 2022: 8:00 AM-12:00 PM
506 (Colorado Convention Center)

T104. Do Carbon Sources or Sinks Drive the Phanerozoic Carbon Cycle?: Understanding Geobiologic Forcings and Feedbacks

GSA Geobiology and Geomicrobiology Division

 

Jeremy Rugenstein, Kimberly Lau, Daniel Ibarra and Matthew Winnick, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
8:05 AM
BALANCE AND IMBALANCE IN MAJOR ELEMENT CYCLES (Invited Presentation)
KEMENY, Preston1, TORRES, Mark2, ADKINS, Jess3 and FISCHER, Woodward3, (1)Department of the Geophysical Sciences, University of Chicago, Chicago, IL 60637; Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125, (2)Dept of Earth, Environmental and Planetary Sciences, Rice University, Houston, TX 77005, (3)Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125
8:25 AM
HOW DO RIVER WATER LI ISOTOPE RATIOS RELATE TO CARBON TRANSFER DURING WEATHERING?
RAMOS, Evan, Department of Earth, Environmental and Planetary Sciences, Rice University, Houston, TX 77005, CAPALDI, Tomas, Department of Geoscience, University of Nevada, Las Vegas, Las Vegas, NV 89154 and COSSLETT KEMENY, Preston, Department of the Geophysical Sciences, University of Chicago, Chicago, IL 60637
8:40 AM
METAMORPHIC CO2 EMISSIONS OUTPACE CO2 DRAWDOWN FROM SILICATE WEATHERING IN A YOUNG, CARBONATE MOUNTAIN BELT
ERLANGER, Erica1, BUFE, Aaron1, PARIS, Guillaume2, D'ANGELI, Ilenia3, PISANI, Luca4, STAMMEIER, Jessica1, HAGHIPOUR, Negar5 and HOVIUS, Niels1, (1)GFZ German Research Center for Geosciences, Telegrafenberg, Potsdam, 14473, Germany, (2)CRPG Nancy, Vandoeuvre les Nancy, 54500, France, (3)Università di Padova, Padova, 35122, Italy, (4)Università di Bologna, Bologna, 40126, Italy, (5)ETH Zürich, Zürich, 8092, Switzerland
8:55 AM
MAPPING SILICATE WEATHERING FLUX WITH COUPLED MACHINE LEARNING TECHNIQUES
ZHANG, Shuang, Oceanography, Texas A&M University, College Station, TX 77843 and WEN, Tao, Department of Earth and Environmental Sciences, Syracuse University, 715 W Park Ave, State College, PA 16803
9:10 AM
NON-STEADY STATE PROCESSES AND OTHER EFFECTS ON CARBON AND SULFUR BURIAL IN AN ESTUARY (Invited Presentation)
GOMES, Maya1, HANTSOO, Kalev1, BRENNER, Dana1, MALKIN, Sairah2 and RAVEN, Morgan3, (1)Department of Earth and Planetary Science, Johns Hopkins University, 3400 N Charles St, Baltimore, MD 21218-2625, (2)Horn Point Laboratory, University of Maryland Center for Environmental Science, P. O. Box 775, 2020 Horns Point Rd, Cambridge, MD 21613, (3)Department of Earth Science, University of California, Santa Barbara, 1006 Webb Hall, Santa Barbara, CA 93106
 
9:30 AM
Break
9:45 AM
PRODUCTION VS. PRESERVATION: A GEOCHRONOLOGICALLY-CONSTRAINED TEST OF THE MONTEREY HYPOTHESIS FOR MIOCENE CLIMATE CHANGE
ANTTILA, Eliel, Department of Earth Science, University of California Santa Barbara, Santa Barbara, CA 93106, MACDONALD, Francis, Department of Earth Science, University of California Santa Barbara, 1006 Webb Hall, Santa Barbara, CA 93106, SZYMANOWSKI, Dawid, Institute of Geochemistry and Petrology, Department of Earth Sciences, ETH Zurich, Clausiusstrasse 25, Zürich, 8092, Switzerland, SCHOENE, Blair, Department of Geosciences, Princeton University, Guyot Hall, Princeton, NJ 08544, KYLANDER-CLARK, Andrew, Geological Sciences, UC, Santa Barbara, Department of Geological Sciences, UC Santa Barbara—Building 526, Santa Barbara, CA 93106-9630 and JONES, David S., Geology Department, Amherst College, Amherst, MA 01002
10:00 AM
THE RISE OF NEW GUINEA AND THE FALL OF NEOGENE GLOBAL TEMPERATURES
MACDONALD, Francis, Department of Earth Science, University of California Santa Barbara, 1006 Webb Hall, Santa Barbara, CA 93106, MARTIN, Peter, Geological Sciences Department, University of Colorado Boulder, Boulder, CO 80304, MCQUARRIE, Nadine, Department of Geology and Environmental Science, University of Pittsburgh, Pittsburgh, PA 15260, FLOWERS, Rebecca, Department of Geological Sciences, University of Colorado Boulder, Boulder, CO 80309, CLOOS, Mark, Geological Sciences, University of Texas at Austin, Austin, TX 78712, WEILAND, Richard, Houston, TX 77071 and MAFFRE, Pierre, Earth and Planetary Sciences, University of California Berkeley, Berkeley, CA 94720
10:15 AM
TOPOGRAPHY, PRECIPITATION AND EROSION IN THE MARITIME CONTINENT INCREASED SILICATE WEATHERING EFFICIENCY IN THE LAST 15 MYR
MAFFRE, Pierre, Earth and Planetary Sciences, University of California Berkeley, Berkeley, CA 94720, CHIANG, John, Geography, University of California Berkeley, Berkeley, CA 94720, SWANSON-HYSELL, Nicholas, Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720, MARTIN, Peter, Geological Sciences Department, University of Colorado Boulder, Boulder, CO 80304, MACDONALD, Francis, Department of Earth Science, University of California Santa Barbara, 1006 Webb Hall, Santa Barbara, CA 93106 and FLOWERS, Rebecca, Department of Geological Sciences, University of Colorado Boulder, Boulder, CO 80309
10:30 AM
SEA LEVEL, THE CARBON CYCLE, AND CLIMATE FEEDBACKS OVER THE PAST 66 MILLION YEARS
MILLER, Kenneth1, BROWNING, James2, SCHMELZ, William1, ROSENTHAL, Yair3 and WRIGHT, James D.3, (1)Rutgers University610 Taylor Road, Earth & Planetary Sci, 610 Taylor Rd, Piscataway, NJ 08854-8066, (2)Department of Earth and Planetary Sciences, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854, (3)Department of Earth and Planetary Sciences, Rutgers University, Wright-Rieman Laboratories, 610 Taylor Road, Piscataway, NJ 08854
10:45 AM
URANIUM-ISOTOPE RECORDS OF GLOBAL OCEAN DEOXYGENATION DURING THE EARLY APTIAN OCEANIC ANOXIC EVENT (OAE 1A)
PERCIVAL, Lawrence1, DICKSON, Alexander2, BASU, Anirban2, RUIZ-ORTIZ, Pedro Alejandro3, BOTTINI, Cinzia4, ERBA, Elisabetta4, MUTTERLOSE, Jörg5, GODERIS, Steven1 and CLAEYS, Philippe1, (1)Analytical, Environmental, and Geo- Chemistry Group, Vrije Universiteit Brussel, Brussels, BE-1050, Belgium, (2)Department of Earth Sciences, Royal Holloway, University of London, Egham, TW20 0EX, United Kingdom, (3)CEACTEMA and Geology Department, Jaén University, Jaén, 23071, Spain, (4)Dipartimento di Scienze della Terra, Università degli Studi di Milano, Milan, 20133, Italy, (5)Institute for Geology, Mineralogy and Geophysics, Ruhr-University Bochum, Universitätsstraße 150, NA2/156, Bochum, 44801, Germany
11:00 AM
ND ISOTOPIC EVIDENCE FOR ENHANCED MAFIC WEATHERING LEADING TO ORDOVICIAN COOLING
CONWELL, Christopher1, SALTZMAN, Matthew1, EDWARDS, Cole2, GRIFFITH, Elizabeth M.1 and ADIATMA, Yoseph1, (1)School of Earth Sciences, The Ohio State University, 125 S Oval Mall, Columbus, OH 43210, (2)Department of Geological and Environmental Sciences, Appalachian State University, 572 Rivers St., Boone, NC 28608
11:15 AM
MY BIOGEOCHEMICAL ROMANCE: EXPANDED WATER COLUMN REDOX ARCHITECTURE EXPLAINS DECOUPLED BIOMARKER AND INORGANIC GEOCHEMICAL PROXY RECORDS THROUGH THE LATE ORDOVICIAN POINT PLEASANT AND UTICA SOURCE ROCK SHALES OF WEST CENTRAL OHIO, USA
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, HOPE, Janet M., The Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia and SPERLING, Erik, Department of Earth and Planetary Sciences, Stanford University, 450 Jane Stanford Way, Building 320, Stanford, CA 94305
11:30 AM
CONSTRAINING CHANGES IN SILICATE WEATHERING DURING THE EARLY ORDOVICIAN USING LITHIUM ISOTOPE CHEMOSTRATIGRAPHY
ADIATMA, Yoseph1, SALTZMAN, Matthew1, WANG, Xikai2 and LIU, Xiao-Ming2, (1)School of Earth Sciences, The Ohio State University, 125 S Oval Mall, Columbus, OH 43210, (2)Department of Earth, Marine and Environmental Sciences, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3315
 
11:45 AM
Discussion
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