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GSA Annual Meeting in Phoenix, Arizona, USA - 2019

Session No. 167
Tuesday, 24 September 2019: 8:00 AM-12:00 PM
Room 231ABC, North Building (Phoenix Convention Center)

T58. Late Cretaceous to Early Paleogene Tectonic Development of the North American Cordillera I

GSA Structural Geology and Tectonics Division; GSA Sedimentary Geology Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Geochronology Division; GSA Geophysics and Geodynamics Division; GSA History and Philosophy of Geology Division

 

John S. Singleton, Scott M. Johnston, Emily S. Finzel and David M. Pearson, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
167-1
8:05 AM
SYN-CONTRACTIONAL DEPOSITION OF THE CRETACEOUS NEWARK CANYON FORMATION, DIAMOND MOUNTAINS, NEVADA: IMPLICATIONS FOR STRAIN PARTITIONING WITHIN THE NORTH AMERICAN CORDILLERA
DI FIORI, Russell V.1, LONG, Sean P.1, FETROW, Anne C.2, SNELL, Kathryn E.2, BONDE, Joshua W.3 and VERVOORT, Jeff D.1, (1)School of the Environment, Washington State University, Pullman, WA 99164, (2)Department of Geological Sciences, University of Colorado Boulder, Boulder, CO 80309, (3)Las Vegas Natural History Museum, 900 Las Vegas Blvd North, Las Vegas, NV 89101
167-2
8:20 AM
THE 85 MA TRAINWRECK: DECONSTRUCTING THE DEBRIS THAT MADE THE CORDILLERAN OROGEN OF TODAY (Invited Presentation)
JONES, Craig H., Dept. Geological Sciences and CIRES, University of Colorado, Boulder, CO 80309-0399
Handouts
  • GSA2019-Trainwreck.pdf (24.7 MB)
    • 167-3
    8:40 AM
    REGIONAL TIMING OF LARAMIDE DEFORMATION ONSET, INTERIOR WESTERN USA
    THACKER, Jacob O.1, KELLEY, Shari2, KARLSTROM, Karl E.1, KENDALL, Jerry1 and CROW, Ryan S.3, (1)Department of Earth & Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, (2)New Mexico Bureau of Geology, New Mexico Tech, Socorro, NM 87801, (3)U.S. Geological Survey, 2255 N. Gemini Drive, Flagstaff, AZ 86001
     
    8:55 AM
    Break/Discussion
    167-4
    9:10 AM
    THE ARIZONAPLANO: GEOCHEMICAL EVIDENCE FOR THICK CRUST DURING THE LARAMIDE OROGENY
    CHAPMAN, James B., Geology and Geophysics, University of Wyoming, Geology and Geophysics Dept., 1000 E. University Ave, Laramie, WY 82071, GREIG, Roy, Department of Geosciences and Lowell Institute for Mineral Resources, University of Arizona, 1040 E. Fourth Street, Tucson, AZ 85721-0077 and HAXEL, Gordon B., US Geological Survey, Flagstaff, AZ 86001
    167-5
    9:25 AM
    LOW-TEMPERATURE THERMOCHRONOMETRIC RESULTS FROM COLORADO’S SOUTH PARK AND ARKANSAS HILLS AREAS: CONSTRAINTS ON LARAMIDE PLUTON EMPLACEMENT DEPTH, THICKNESS OF THE WESTERN INTERIOR SEAWAY SEDIMENTARY SECTION, AND THE TIMING OF A POST-LARAMIDE UNROOFING EVENT
    ABBOTT, Lon D.1, FLOWERS, Rebecca M.2, FALKOWSKI, Sarah3, METCALF, James R.2 and NIAZY, Fatima4, (1)Department of Geological Sciences, University of Colorado Boulder, UCB 399, Boulder, CO 80309, (2)Department of Geological Sciences, University of Colorado Boulder, Boulder, CO 80309, (3)Department of Geology, University of Tuebingen, Wilhelmstrasse 56, Tuebingen, 72074, Germany, (4)UNAVCO, Boulder, CO 80301
    167-6
    9:40 AM
    THE MEXICAN AND THE CHIAPAS FOLD AND THRUST BELTS: STRUCTURE, TIMING AND TECTONICS (Invited Presentation)
    FITZ-DIAZ, Elisa, Instituto de Geologia, Universidad Nacional Autonoma de Mexico, Av. Universidad #3000, C. U., Coyoacán, Mexico D.F., 04510, Mexico and HERNÁNDEZ-VERGARA Sr., Rogelio, Posgrado en Ciencias de la Tierra-Instituto de Geología, Universidad Nacional Autonoma de Mexico, Av. Universidad #3000, C. U., Coyoacán, Mexico D.F., 04510, Mexico
     
    10:00 AM
    Break/Discussion
    167-7
    10:15 AM
    THE EARLY PALEOGENE TRANSITION FROM THIN-SKINNED TO THICK-SKINNED SHORTENING IN THE POTOSÍ UPLIFT, SIERRA MADRE ORIENTAL, NORTHEASTERN MEXICO
    WILLIAMS, Stewart A.1, SINGLETON, John S.1, PRIOR, Michael G.1, MAVOR, Skyler P.1 and CROSS, Gareth E.2, (1)Department of Geosciences, Colorado State University, 1482 Campus Delivery, Fort Collins, CO 80523, (2)Plymouth, PL1, United Kingdom
    167-8
    10:30 AM
    CROSSCUTTING THIN- AND THICK-SKINNED THRUSTS WITHIN THE IDAHO-MONTANA FOLD-THRUST BELT: A DETACHMENT CONTROL ON STRUCTURAL STYLE
    PARKER, Stuart D., Idaho State University, Pocatello, ID 83204 and PEARSON, David M., Department of Geosciences, Idaho State University, Pocatello, ID 83209
    167-9
    10:45 AM
    NO FLAT-SLAB NEEDED: THE TRANSITION FROM THIN- TO THICK-SKINNED THRUSTING IN THE IDAHO-MONTANA FOLD-THRUST BELT WAS CONTROLLED BY THE PRE-OROGENIC STRATIGRAPHY
    PEARSON, David M.1, PARKER, Stuart D.1, MONTOYA, Leslie M.1 and BRENNAN, Daniel T.2, (1)Department of Geosciences, Idaho State University, Pocatello, ID 83209, (2)Department of Geosciences, Idaho State University, Pocatello, ID 83209; Applied Geology, Curtin University of Technology, Perth, WA 6102, Australia
     
    11:00 AM
    Break
    167-10
    11:15 AM
    CONSTRAINING THE TIMING OF DEFORMATION IN SOUTHWESTERN MONTANA BASEMENT CORED RANGES USING LOW TEMPERATURE THERMOCHRONOLOGY
    KAEMPFER, Jenna M.1, GUENTHNER, William R.1 and PEARSON, David M.2, (1)Department of Geology, University of Illinois at Urbana-Champaign, 3081 Natural History Building, 1301 W. Green St., Urbana, IL 61801, (2)Department of Geosciences, Idaho State University, Pocatello, ID 83209
    167-11
    11:30 AM
    EARLY EOCENE SUPRA-DETACHMENT BASIN DEVELOPMENT IN RESPONSE TO PLATEAU SUBDUCTION AND EXTENSIONAL COLLAPSE IN THE SOUTHERN MOJAVE REGION, CA
    HEERMANCE, Richard V.1, CECIL, M. Robinson2, SLOAN, Hanah1, BARAJAS, Andrew1 and PINA, Isabel1, (1)Department of Geological Sciences, California State University Northridge, Northridge, CA 91130-8266, (2)Geological Sciences, CSU-Northridge, 18111 Nordhoff Street, CSUN Dept of Geological Sciences, Northridge, CA 91330
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