Cordilleran Section - 121st Annual Meeting - 2025

Session No. 33
Friday, 4 April 2025: 8:00 AM-4:00 PM
Sierra Ballroom (Holiday Inn Sacramento Downtown - Arena)

T10. Cordilleran and Other Orogenic Belt Evolution from Components to Whole (Posters)

Authors will be present from 1:30 to 3:30 PM.

 

Paper #
Booth #
7
REASSESSING THE REGIONAL BASAL DECOLLEMENT OF THE UNGAVA OROGEN, NORTHERN QUEBEC, CANADA
THERRIAULT, Isabelle, The University of British Columbia Okanagan, 3247 University Way, Kelowna, BC V1V 1V7, Canada, JOUHARI, Mehdi, Universite Laval, 2325, rue de l'Universite, Quebec, QC G1V 0A6, Canada, LARSON, Kyle P., Earth, Environmental and Geographic Sciences, University of British Columbia, Okanagan, 1177 Research Road, Kelowna, BC V1V 1V7, Canada and GUILMETTE, Carl, Département de Géologie et de Génie Géologique, Université Laval, Québec, QC G1V 0A6, Canada
8
BASEMENT EXHUMATION IN LATER STAGES OF ARC-CONTINENT COLLISION REVEALED BY ACTIVE SOURCE SEISMOLOGY: AN EXAMPLE FROM NORTH OF HUALIEN ALONG THE EAST COAST OF TAIWAN
CHI, Wu-Cheng1, HOU, Cheng-Feng1, WEGE, Sebastian1, KE, Chien-Chung2, WEI, Lun-Wei2, CHEN, Chun-Te2 and YEN, Yin-Tung2, (1)Institute of Earth Sciences, Academia Sinica, P. O. Box 1-55, No. 128, Sec. 2, Academia Rd., Nangang, Taipei, 22141, Taiwan, (2)Sinotech Engineering Consultants, Inc., 3F, No. 280, Xinhu 2nd Rd., Neihu District,, Taipei, 114065, Taiwan
9
FOREARC DENUDATION AND TRENCHWARD TRANSPORT OF LARGE CLASTS BY A RIDGE SUBDUCTION: EXAMPLE OF EASTERN ASIAN CONTINENTAL MARGIN DURING THE LATEST CRETACEOUS TO EARLY EOCENE
SHIMURA, Yusuke1, HARA, Hidetoshi1, TOKIWA, Tetsuya2, NAKAMURA, Yoshihiro1 and ASAHARA, Yoshihiro3, (1)Research Institute of Geology and Geoinformation, Geological Survey of Japan, AIST, Tsukuba, 305-8567, Japan, (2)Department of Geology, Faculty of Science, Shinshu University, Matsumoto, 390-8621, Japan, (3)Department of Earth and Environmental Sciences, Graduate School of Environmental Studies, Nagoya University, Nagoya, 464-8601, Japan
10
PROVENANCE OF CLASTIC ROCKS OF THE INNER HORNSUND TROUGH, SVALBARD: IMPLICATIONS FOR REGIONAL CORRELATIONS AND DEVONIAN PALEOGEOGRAPHY
MCKEON, Owen1, SIS FIGUEROA, Edwin2, RICCARDI, Noah3, CHAPMAN, Alan3, ODLUM, Margo4, SMYRAK-SIKORA, Aleksandra5 and ANFINSON, Owen A.2, (1)Geology, Sonoma State University, 1701 E. Cotati Ave., Rohnert Park, CA 94928, (2)Department of Geology, Sonoma State University, 1701 East Cotati Ave, Rohnert Park, CA 94928, (3)Geology Department, Macalester College, St. Paul, MN 55105, (4)Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA 92093, (5)Geoscience, NTNU, Trondheim, NO-7491, Norway
11
NEW INSIGHTS INTO THE BACK-ARC BASIN EVOLUTION OF THE NORTH AMERICAN CORDILLERA: PRELIMINARY OBSERVATIONS FROM NORTHWEST NEVADA
PARKYN, Ryan, Department of Geological Sciences and Engineering, University of Nevada, Reno, 1664 N Virginia St, Reno, NV 89557 and ZUZA, Andrew V., Nevada Bureau of Mines and Geology, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557
12
A MAP SYNTHESIS ENGINE FOR COMPILING MULTIPLE GEOLOGIC MAPS IN THE USGS GEOLOGIC MAP SCHEMA (GEMS): AN EXAMPLE USING CALIFORNIA’S STATEWIDE 1:250,000-SCALE GEOLOGIC ATLAS MAP SERIES
PLATT, Bryant, United States Geological Survey, Geoscience and Environmental Change Science Center, Denver Federal Center, P.O. Box 25046, MS 980, Denver, CO 80225, JOHNSTONE, Sam, U.S. Geological SurveyGECSC, PO Box 25046, Denver, CO 80225-0046, COLGAN, Joseph, United States Geological Survey, Geosciences and Environmental Change Science Center, Denver Federal Center, P.O. Box 25046, MS 980, Denver, CO 80225-0046, BEARD, Rachel A., California Geological Survey, California Department of Conservation, 715 P Street, MS-1901, Sacramento, CA 95814 and GUTIERREZ, Carlos, California Department of Conservation, California Geological Survey, 715 P Street, Sacramento, CA 95814
13
LATE JURASSIC TO EARLY CRETACEOUS COVER SEQUENCES IN THE KLAMATH MOUNTAINS PROVIDE CLUES FOR SEDIMENT PATHWAYS AND CORRELATION WITH THE NORTHERN SIERRA NEVADA
METCALF, Kathryn and GUYER, Jenna, Department of Geological Sciences, California State University, Fullerton, 800 N State College Blvd, Fullerton, CA 92831-3547
33-8
14
Withdrawn
15
SAN RAFAEL MTS. MÉLANGE IS KEY TO SOUTHERNMOST NACIMIENTO BLOCK TECTONIC HISTORY
WAHL, Arthur, 516 Pearson Rd., Port Hueneme, CA 93041
16
A PORTAL TO THE PAST: TIMING OF SEDIMENT UNDERPLATING AT PORTAL RIDGE, CALIFORNIA
FRANK, Holly1, WALKER, Cassandra1, SEYMOUR, Nikki M.1, HOURIGAN, Jeremy K.2, GROVE, Marty3 and JACOBSON, Carl E.4, (1)Department of Geology, Occidental College, Los Angeles, CA 90041, (2)Department of Earth and Planetary Sciences, University of California, Santa Cruz, Santa Cruz, CA 95064, (3)Stanford University, Stanford, CA 94305, (4)Iowa State University & West Chester University of Pennsylvania, West Chester, PA 19383
17
UNDERSTANDING FRANCISCAN COMPLEX SUBDUCTION ZONE RECYCLING VIA MICRO-SAMPLED GARNET GEOCHRONOLOGY FROM JENNER BEACH, CALIFORNIA
FERNHOLZ, Josephine1, BAKER, Peter L.2, VERVOORT, Jeffrey D.2 and CHAPMAN, Alan3, (1)Geology Department, Macalester College, 1600 Grand ave., Saint Paul, MN 55015, (2)School of the Environment, Washington State University, Pullman, WA 99164, (3)Geology Department, Macalester College, St. Paul, MN 55105
18
UPHILL DIFFUSION OF TRACE ELEMENTS DURING MULTI-STAGE SUBDUCTION ZONE METASOMATISM
WOODS, Lauren1, HOOVER, Will1, PENNISTON-DORLAND, Sarah2, DRAGOVIC, Besim3, HOFF, Christiana2 and RAIMONDO, Tom4, (1)Department of Earth and Space Sciences, University of Washington, Seattle, WA 98195, (2)Department of Geology, University of Maryland, College Park, MD 20742, (3)School of Earth, Ocean, and Environment, University of South Carolina, Columbia, SC 29208, (4)University of South Australia, Adelaide, SA 5000, Australia
19
DEFORMATION AND FLUID MIGRATION IN THE SUBDUCTING SLAB: AN ECLOGITE-FACIES DUCTILE SHEAR ZONE
HERRIN, Brielle1, HOOVER, Will2, JOHNSON, Sophia3 and CONDIT, Cailey1, (1)Department of Earth and Space Sciences, University of Washington, 4000 15th Avenue NE, Seattle, WA 98107, (2)University of Washington, (3)Department of Earth and Space Sciences, University of Washington, Johnson Hall 070, 1707 NE Grant Lane, Seattle, WA 98195
20
DEFORMATION OF THE SUBDUCTING SLAB: INHERITANCE THROUGH RETROGRESSION IN THE MONVISO OPHIOLITE
SABARUDDIN, Alyssa1, HOOVER, Will2 and CONDIT, Cailey1, (1)Department of Earth and Space Sciences, University of Washington, 4000 15th Avenue NE, Seattle, WA 98107, (2)Dept. of Earth and Space Sciences, University of Washington, Seattle, WA 98195
21
INVESTIGATING MODELS OF METAMORPHIC SOLE PRESERVATION THROUGH THERMOBAROMETRY AND THERMODYNAMIC MODELLING OF THE EASTON METAMORPHIC SUITE, NORTHWEST CASCADES, WASHINGTON
KEIRS, Austin, MULCAHY, Sean and SCHERMER, Elizabeth, Geology Department, Western Washington University, Bellingham, WA 98225
22
TESTING COMPETING MODELS FOR THE FORMATION OF A SUBDUCTION-RELATED INVERTED METAMORPHIC SEQUENCE WITHIN THE EASTON METAMORPHIC SUITE, WASHINGTON
CHAN, Jeni1, MULCAHY, Sean2 and SCHERMER, Elizabeth2, (1)Western Washington University, Geology Department, Bellingham, WA 98225, (2)Geology Department, Western Washington University, Bellingham, WA 98225
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