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Cordilleran Section - 121st Annual Meeting - 2025

Session No. 23
Thursday, 3 April 2025: 8:00 AM-5:30 PM
River/City View (Holiday Inn Sacramento Downtown - Arena)

T8. Cordilleran Tectonics: Integrating Field and Analytical Approaches I (Posters)

GSA Structural Geology and Tectonics Division; GSA Geochronology Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division

Authors will be present from 3:30 to 5:30 PM.

 

Paper #
Booth #
23-1
39
DEVELOPMENT OF INVERTED METAMORPHIC ISOGRADS DURING PROGRESSIVE NON-COAXIAL FLOW AND CONTRACTIONAL UPLIFT IN COAST MOUNTAINS, ALASKA
MILLER, McKenzie1, REGAN, Sean2, PATTON, Alex1, WALDIEN, Trevor3, TAYLOR, Peter4, KYLANDER-CLARK, Andrew5 and GRAHAM, Nathan A.6, (1)Department of Geosciences, University of Alaska Fairbanks, Fairbanks, AK 99709, (2)Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK 99775-9702, (3)Geology and Geological Engineering, South Dakota School of Mines and Technology, 501 E. St. Joseph St., Rapid City, SD 57701, (4)Juneau, AK 99824, (5)Geological Sciences, UC, Santa Barbara, Department of Geological Sciences, UC Santa Barbara—Building 526, Santa Barbara, CA 93106-9630, (6)Department of Geosciences, University of Alaska Fairbanks, Fairbanks, AK 99775
23-2
40
TECTONIC EVOLUTION OF CHIAPAS: FROM RODINIA TO THE PRESENT
FITZ-DÍAZ, Elisa1, HERNÁNDEZ-VERGARA, Rogelio2, PAROLARI, Mattia2 and VERDE-RAMÍREZ, María de los Angeles3, (1)Instituto de Geologia, Universidad Nacional Autónoma de México (UNAM), Avenida Universidad No. 3000, UNAM CU, Coyoacán, CDMX, Mexico City, DF 04510, Mexico, (2)Instituto de Geologia, Universidad Nacional Autónoma de México (UNAM), Avenida Universidad, No. 3000, UNAM CU, Coyoacán, CDMX, Mexico City, DF 04510, Mexico, (3)Posgrado en Ciencias de la Tierra, Universidad Nacional Autónoma de México UNAM, Ciudad Universitaria, Mexico City, 04510, Mexico
23-3
41
CRETACEOUS AND MIOCENE HISTORY OF PLUTONISM, DIKING, AND DEFORMATION IN THE CHEMEHUEVI METAMORPHIC CORE COMPLEX
ROCHA, Samuel1, LEE, Terry1, SIHPOL, Tatiana A.2, ZUZA, Andrew V.1 and ODLUM, Margo2, (1)Nevada Geosciences, University of Nevada, Reno, 1664 N. Virginia St, Reno, NV 89557, (2)Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA 92093
23-4
42
GEOLOGIC EVIDENCE OF EARTHQUAKES ALONG A MIOCENE DETACHMENT
MASOCH, Simone and ROWE, Christie D., Nevada Seismological Laboratory, University of Nevada, Reno, Reno, NV 89557
23-5
43
POSSIBLE EVIDENCE FOR PALEOSEISMICITY ON THE WHIPPLE DETACHMENT, CALIFORNIA
UNDERWOOD-AGUILAR, Ruben, Department of Geological Sciences and Engineering, University Of Nevada Reno, 1664 N Virginia St, Reno, NV 89557 and KIRKPATRICK, James, Department of Earth and Planetary Sciences, McGill University, 3450 University Street, Montréal, QC H3A 0E8, Canada
23-6
44
UNRAVELING CHEMICAL-MECHANICAL FAULT DEFORMATION PROCESSES IN CARBONATE ROCKS
MOOKERJEE, Matty1, LISABETH, Harrison2, OLIVAREZ, Atzi1, ORTEGA-VIDRIO, Yajaira1, PEREZ VILLANUEVA, Abigail1 and WITT, Kevin Andrew1, (1)Geology Department, Sonoma State University, 1801 E Cotati Ave, Rohnert Park, CA 94928, (2)Energy Geoscience Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94608
23-7
45
THERMOCHRONOLOGIC AND FAULT KINEMATIC CONSTRAINTS ON THE TIMING OF DEVELOPMENT OF THE EASTERN CALIFORNIA SHEAR ZONE IN SOUTHEASTERN CALIFORNIA
BARKER, James1, ABUBAKAR, Aliyu1, RICKETTS, Jason1 and CHAPMAN, Alan2, (1)Department of Earth, Environmental and Resource Sciences, The University of Texas at El Paso, 500 W University Ave, El Paso, TX 79902, (2)Geology Department, Macalester College, St. Paul, MN 55105
23-8
46
OROCLINAL BENDING AND STRAND ABANDONMENT ALONG THE PINTO MOUNTAIN FAULT ZONE—IMPLICATIONS FOR FAULT INTERACTION WITHIN THE EASTERN CALIFORNIA SHEAR ZONE, SOUTHERN CALIFORNIA
HOPSON, Forrest, Consulting Geologist, 1200 Riverside Drive, Unit 1269, Reno, NV 89503
Handouts
  • Hopson2025_GSA-Cordilleran-poster_Pinto-Mtn-Fault-Zone_final_03302025.pdf (826.7 kB)
    • 23-9
    47
    EVALUATING MODEL-DRIVEN HYPOTHESES WITH FIELD MAPPING, FISH LAKE VALLEY, NEVADA
    CALLAHAN, Owen, En Echelon Geosolutions, Palo Alto, CA 94306, JACKSON, Amanda, Earth and Planetary Sciences, Stanford University, 450 Jane Stanford Way, Bldg. 320, Rm.118, Stanford, CA 94305-2115 and CASTEEL, John, Open Mountain Energy, 245 E. Liberty St., Suite 520, Reno, NV 89501
    23-10
    48
    PRELIMINARY ASSESSMENT OF SIERRA NEVADA RANGE-FRONT FAULTING IN INDIAN WELLS VALLEY, EASTERN CALIFORNIA
    DUNCAN, Maggie E., Division of Hydrologic Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512; Graduate Program of Hydrologic Sciences, University of Nevada, Reno, Reno, NV 89557, BACON, Steven, Division of Hydrologic Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512 and RODRIGUES, Kathleen D., Division of Earth and Ecosystem Sciences, Desert Research Institute, 2215 Raggio Pkwy, Reno, NV 89512
    23-11
    49
    INFLUENCE OF MORAINE DEGRADATION ON THE DISTRIBUTION OF BOULDER-DERIVED COSMOGENIC NUCLIDE AGES AT BISHOP CREEK, EASTERN CALIFORNIA
    YOUNG, Elaine K., California Geological Survey, 715 P St, MS 1901, Sacramento, CA 95616 and OSKIN, Michael E., Department of Earth and Planetary Sciences, University of California, Davis, Davis, CA 95616
    23-12
    50
    STRUCTURAL CONSTRAINTS OF DEXTRAL OFFSET ON THE EAST SAN FRANCISCO BAY REGION FAULT SYSTEM AND ASSOCIATED VOLCANICS, CALIFORNIA
    MEDWEDEFF, Donald, PhD 1988, Princeton University , MSc 1983 Queen’s University , BS 1981 The University of Michigan , Independent Research Geologist, 146 Roan Dr, Danville, CA 94526
    23-13
    51
    Withdrawn
    23-14
    52
    Withdrawn
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