GSA Connects 2022 meeting in Denver, Colorado

Session No. 256
Wednesday, 12 October 2022: 1:30 PM-5:30 PM
502 (Colorado Convention Center)

T81. Radiogenic Isotopes as Tracers of Geologic Processes: Dates, Rates, and Proxies II

GSA Geochronology Division; GSA Quaternary Geology and Geomorphology Division; GSA Sedimentary Geology Division; GSA Geobiology and Geomicrobiology Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Geophysics and Geodynamics Division; Geochemical Society

 

Alexie Millikin, Jennifer Kasbohm, Timothy Gibson and Alan Rooney, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1:35 PM
PRECISE TEMPORAL CORRELATION OF GEOSPHERE-BIOSPHERE INTERACTION IN THE GEOLOGICAL PAST THROUGH HIGH-PRECISION U-PB GEOCHRONOLOGY
SCHALTEGGER, Urs, GAYNOR, Sean, PAUL, Andre N. and WIDMANN, Philipp, Department of Earth Sciences, University of Geneva, Rue de Maraichers 13, Geneva, 1205, Switzerland
256-1
1:50 PM
Withdrawn
2:05 PM
CHEMISTRY AND STRUCTURE OF FOSSIL GAR SCALES WITH IMPLICATIONS FOR BIOAPATITE (U-TH)/HE THERMOCHRONOLOGY
FINK, John1, TREMBLAY, Marissa2, TOBIN, Thomas3, STOCKLI, Lisa D.4 and STOCKLI, Daniel F.4, (1)Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, 550 Stadium Mall Dr., West Lafayette, IN 47906, (2)Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, 550 Stadium Mall Dr., West Lafayette, IN 47907, (3)Department of Geological Sciences, University of Alabama, Box 870338, Tuscaloosa, AL 35487, (4)Department of Geological Sciences, Jackson School of Geosciences, University of Texas at Austin, Austin, TX 78712
2:20 PM
GROWTH AND UNROOFING OF THE HIMALAYA FROM DETRITAL MONAZITE PETROCHRONOLOGY (Invited Presentation)
GEORGE, Sarah1, GEHRELS, George E.2, DECELLES, Peter3 and SHERPA, Tshering3, (1)Department of Geosciences, University of Arizona, Tucson, AZ 85705-7826, (2)Geosciences, University of Arizona, 1040 E. 4th Street, Tucson, AZ 85721, (3)Department of Geosciences, University of Arizona, Tucson, AZ 85721
2:35 PM
TRACKING LOWER CRUSTAL PROCESSES THROUGH HIGH-PRECISION ZIRCON U-PB, HF ISOTOPE ANALYSES IN SUCCESSIVE SUPER-ERUPTIONS (SOCORRO CALDERA COMPLEX, USA)
GAYNOR, Sean, Department of Geosciences, Princeton University, 219 Guyot Hall, Princeton, NJ 08544; Department of Earth Sciences, University of Geneva, Rue des Maraîchers 13, Geneva, 1205, Switzerland, SMITH, Tyson, Department of Earth and Atmospheric Sciences, University of Houston, 312 Science and Research 1, Houston, CO 77204 and SCHALTEGGER, Urs, Department of Earth Sciences, University of Geneva, Rue de Maraichers 13, Geneva, 1205, Switzerland
2:50 PM
DISPERSION HAPPENS: EVALUATING THE UBIQUITOUS SCATTER IN ULTRA-PRECISE 40AR/39AR SANIDINE DISTRIBUTIONS
CANTRELL, Tyler1, HEIZLER, Matthew2, ROSS, Jake2, ZIMMERER, Matthew J.2 and MCINTOSH, William3, (1)Earth and Environmental Sciences, NM Tech, 801 Leroy Place, Socorro, NM 87801, (2)New Mexico Bureau of Geology & Mineral Resources, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, (3)New Mexico Bureau of Geology & Mineral Resources, New Mexico Institute of Mining & Technology, Socorro, NM 87801
3:05 PM
MAGMA EMPLACEMENT AND DIFFERENTIATION IN THE OLIGOCENE IXL PLUTON, NEVADA
OKHAI, Disha, Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47907, EDDY, Michael, Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, IN 47907, DESORMEAU, Joel, Department of Geological Sciences and Engineering, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557-0172 and PAMUKCU, Ayla, Earth and Planetary Sciences, Stanford University, 450 Jane Stanford Way, Stanford, CA 94305-2004
 
3:20 PM
Break
3:30 PM
PLIOCENE SUBSURFACE FLUID FLOW DRIVEN BY RAPID EROSIONAL EXHUMATION OF THE COLORADO PLATEAU
BAILEY, Lydia, Department of Geosciences, University of Arizona, Tucson, AZ 85721, FERGUSON, Grant, School of Environment and Sustainability, University of Saskatchewan, Saskatoon, SK S7T0M8, CANADA; Department of Hydrology & Atmospheric Sciences, University of Arizona, Tucson, AZ 85721, MCINTOSH, Jennifer, Department of Hydrology & Atmospheric Sciences, University of Arizona, Tucson, AZ 85721, HEMMING, Sidney, Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964 and REINERS, Peter W., Department of Geosciences, University of Arizona, Tucson, AZ 85721; Faculty of Environment, University of Northern British Columbia, Prince George, BC V2N 4Z9, Canada
3:45 PM
APPLICATION OF THE 40AR/39AR AGES OF HORNBLENDE FOR TRACKING ICE RAFTED DETRITUS PROVENANCE AROUND ANTARCTICA (Invited Presentation)
HEMMING, Sidney, LDEO, Columbia University, Palisades, NY 10964; Department of Earth and Environmental Sciences, and Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY 10964, BRACHFELD, Stefanie A., Department of Earth & Environmental Studies, Montclair State University, Montclair, NJ 07043, DAVIS, Elizabeth Pierce, Wellesley University, Wellesley, MA 02481, LICHT, Kathy, Department of Earth Sciences, Indiana University – Purdue University Indianapolis, Indianapolis, IN 46202, OCONNELL, Suzanne, Earth & Environmental Sciences, Wesleyan University, 265 Church St, Middletown, CT 06459-3138, VAN DE FLIERDT, Tina, Department of Earth Science and Engineering, Imperial College, London, SW7 2AZ, United Kingdom and WILLIAMS, Trevor, International Ocean Discovery program, Texas A&M University, College Station, TX 77843
4:00 PM
A NEW OSMIUM ISOTOPE RECORD OF GLACIAL-INTERGLACIAL WEATHERING RESPONSE ACROSS THE PLEISTOCENE
GOSS, Gryphen, Department of Earth and Planetary Science, Yale University, New Haven, CT 06511 and ROONEY, Alan, Department of Earth & Planetary Sciences, Yale University, 210 Whitney Ave., New Haven, CT 06511
4:15 PM
USING IN SITU 14C COSMOGENIC RADIONUCLIDE DATING TO DATE LANDSCAPE CHANGES IN EASTERN TAYLOR VALLEY, ANTARCTICA
STONE, Michael1, DORAN, Peter1 and GOEHRING, Brent M.2, (1)Department of Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803, (2)Dept. of Earth and Environmental Sciences, Tulane University, New Orleans, LA 70118
4:45 PM
EXPANDING THE APPLICATIONS OF 230TH/U BURIAL DATING OF OSTRICH EGGSHELLS TO BURNT SAMPLES AND BY LASER ABLATION METHODS
NIESPOLO, Elizabeth, Geosciences, Princeton University, Guyot Hall, Princeton, NJ 08544; Earth and Planetary Science, UC Berkeley, McCone Hall, Berkeley, CA 94720; Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, SHARP, Warren D., Berkeley Geochronology Center, 2455 Ridge Rd., Berkeley, CA 94709, FYLSTRA, Nicholas, Berkeley Geochronology Center, 2455 Ridge Rd., Berkeley, CA 94709; Chemistry, University of Calgary, Calgary, AB T2N 1N4, Canada, AGUIRRE PALAFOX, Luis Erick, Department of Earth and Planetary Sciences, University of California, Davis, One Shields Ave, Davis, CA 95616, TRYON, Christian, Anthropology, University of Connecticut, Storrs, CT 06269, LEWIS, Jason, Turkana Basin Institute, Stony Brook, NY 11794; Anthropology, Stony Brook University, 100 Nicolls Rd, Stony Brook, NY 11794 and RANHORN, Kathryn L., School of Human Evolution and Social Change and the Institute of Human Origins, Arizona State University, Cady Mall, Tempe, AZ 85281
5:00 PM
GROWTH RATES OF RHODOLITHS IN THE GULF OF MEXICO USING RADIOCARBON DATING
OLMSTEAD, Sarah and ANDRUS, Charles, Geological Sciences, University of Alabama, Tuscaloosa, AL 35487
5:15 PM
THE IMPACT OF IN SITU RADIOGENIC PRODUCTION ON TRACER-BASED HYDROCHRONOLOGY
WARR, Oliver, University of Toronto, Dept of Geology Earth Sciences Centre - Toronto, ON, 22 Russell St, Toronto, ON M5S 3B1, United Kingdom, SMITH, Nigel J.T., TRIUMF, 6095 Nurseries Road, Vancouver, ON V6T 2A3, CANADA and SHERWOOD LOLLAR, Barbara, University of Toronto, Dept of Geology Earth Sciences Centre - Toronto, ON, 22 Russell St, Toronto, MA M5S 3B1
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