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Joint 120th Annual Cordilleran/74th Annual Rocky Mountain Section Meeting - 2024

Session No. 4
Wednesday, 15 May 2024: 8:00 AM-12:00 PM
Maple Ballroom (Davenport Grand Hotel)

T19. Structure and Tectonics of the North American Cordillera and Rocky Mountains I

GSA Geophysics and Geodynamics Division; GSA Energy Geology Division

 

David Pearson and Ryan B. Anderson, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
4-1
8:05 AM
AGE, PROVENANCE, AND HF ISOTOPIC SIGNATURES OF THE FARMINGTON CANYON COMPLEX, NORTHERN UTAH: IMPLICATIONS FOR PALEOPROTEROZOIC CRUSTAL EVOLUTION OF WESTERN LAURENTIA
BALGORD, Elizabeth1, YONKEE, Adolph1, HENROID, Jon1, OLSEN, Kara1, KNIGHT, Logan1, TANNER, Nathan2 and RABOSKY, Kristin2, (1)Department of Earth and Environmental Sciences, Weber State University, 1415 Edvalson St - DEPT 2507, Ogden, UT 84408-2507, (2)Department of Physics and Astronomy, Weber State University, Ogden, UT 84408
4-2
8:25 AM
DETRITAL ZIRCON-BASED RECONSTRUCTION OF THE RIFTED LAURENTIAN MARGIN IN THE SOUTHWESTERN SIERRA NEVADA MOUNTAINS: FROM PROTEROZOIC BASEMENT, THROUGH NEOPROTEROZOIC RIFT ZONE, TO EXOTIC EARLY MESOZOIC TURBIDITES
CLEMENS-KNOTT, Diane1, CHEN, Nancy M.2, GEVEDON, Michelle3, BUCHEN, Christopher, deceased1, CONCHA, Christian A.1, TOMITA, Kevin1, MURRIETA, Rosa1, KOHLER, Zoe1 and KNOTT, Samuel1, (1)Department of Geological Sciences, California State University Fullerton, 800 North State Blvd., Fullerton, CA 92831, (2)Department of Geological Sciences, California State Univ, Fullerton, Box 6850, Fullerton, CA 92834; Harvard-Westlake School, 700 N. Faring Road, Los Angeles, CA 90077, (3)Colorado College, Geology Department, 14 E. Cache la Poudre St., Colorado Springs, CO 80903
4-3
8:45 AM
NEOPROTEROZOIC ORIGIN OF THE UTE PASS FAULT (SOUTHERN FRONT RANGE) AND STRUCTURAL CONTROL UPON THE PRESERVATION OF A SNOWBALL EARTH SEDIMENTARY RECORD IN COLORADO
SIDDOWAY, Christine, Colorado College, Geology Department, 819 N. Tejon St., Colorado Springs, CO 80903
4-4
9:05 AM
SLAB ROLLBACK INDUCED THE COLLISION OF AN INTRA-OCEANIC ISLAND ARC WITH THE PALEOZOIC PASSIVE MARGIN OF WESTERN LAURENTIA, LEADING TO THE ANTLER EVENT AND EMPLACEMENT OF THE ROBERTS MOUNTAINS ALLOCHTHON
DUNHAM, John, Union Oil Company of California, Retired, Los Angeles, CA 90017
4-5
9:25 AM
BADDELEYITE GEOCHRONOLOGY; PROVING ALLOCHTHONOUS STRATIGRAPHY AT THE TURQUOISE RIDGE GOLD DISTRICT, NORTHERN NEVADA USA
ANDERSON, L. Page1, BARDOUX, Marc2, CHAMBERLAIN, Kevin R.3, GRIESEL, Gerry2, JANSEN, Andrew2, NOZDRYA, Egor2 and STOCK, Elizabeth2, (1)Nevada Gold Mines, 1655 Mountain City Hwy, Elko, NV 89801, (2)Barrick, 1655 Mountain City Hwy, Elko, NV 89801, (3)Dept. of Geology and Geophysics, Univ. of Wyoming, Laramie, WY 82071
4-6
9:45 AM
EVIDENCE OF TECTONIC INVERSION IN THE SOUTHERN CANADIAN ROCKIES: CONTRACTIONAL DEFORMATION SUPERIMPOSED ON EXTENSIONAL FAULTS REVEALED THROUGH FINE-SCALE MAPPING
TAERUM, Robert, Retired, 252 Ranchridge Crt. NW, Calgary, AB T3G 1W5, Canada
 
10:05 AM
Break
4-7
10:20 AM
HIGH-TEMPERATURE PARTIAL-MELT EVENT RECORDED IN THE FIRST CONFIRMED ECLOGITE FROM THE SIERRA NEVADA METAMORPHIC BELTS, CALIFORNIA
SHIMABUKURO, David1, BLACK, Jo1, SKINNER, Steven M.1, WAKABAYASHI, John2, DESORMEAU, Joel3 and CECIL, Robinson4, (1)Department of Geology, California State University, Sacramento, CA 95819, (2)Department of Earth and Environmental Sciences, California State University, Fresno, CA 93740, (3)Department of Geological Sciences and Engineering, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557-0172, (4)Department of Geological Sciences, California State University Northridge, Northridge, CA 91330-8266
4-8
10:40 AM
THE JURASSIC-CRETACEOUS HAZARD CREEK ARC, WESTERN IDAHO
NELSON, Ellen, Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53706, Madison, WI 53726, RUGGLES, Claire, Department of Geoscience, University of Wisconsin - Madison, Madison, WI 53706, TIKOFF, Basil, Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53703, PATZKE, Mollie, Cameco Corporation, Saskatoon, SK S7M 1J3, Canada, SURPLESS, Kathleen, Department of Geosciences, Trinity University, One Trinity Place, San Antonio, TX 78212, VERVOORT, Jeffrey, School of the Environment, Washington State University, Pullman, WA 99164 and GASCHNIG, Richard, Department of Environmental, Earth and Atmospheric Sciences, University of Massachusetts Lowell, 1 University Ave, Lowell, MA 01854
4-9
11:00 AM
THE CONTRIBUTION OF DUCTILE STRETCHING TO EXHUMATION AND MASS TRANSFER IN FOLD-THRUST AND TRANSPRESSIONAL SYSTEMS: AN INVESTIGATION OF STRAIN AND KINEMATICS IN THE SALMON RIVER SUTURE ZONE AND WESTERN IDAHO SHEAR ZONE
RICHARDSON, Andrea1, LONG, Sean1, BARBA, William2 and MCKAY, Matthew3, (1)School of the Environment, Washington State University, PO Box 642812, Pullman, WA 99164-2812, (2)KG Mining Bald Mountain Inc., Spring Creek, NV 89815, (3)Geology Department, Missouri State University, 901 S National Ave, Springfield, MO 65897-0027
4-10
11:20 AM
CORNER TECTONICS: KINEMATICS OF A LATE CRETACEOUS TRANSPRESSIONAL TERMINATION IN THE SYRINGA EMBAYMENT OF NORTH-CENTRAL IDAHO
SCHMIDT, Keegan, AMES, Miriam E and WILSON, Kylie C., Department of Natural Sciences, Lewis-Clark State College, Meriwether Lewis Hall, 500 8th Avenue, Lewiston, ID 83501
4-11
11:40 AM
EVIDENCE FOR LATE CRETACEOUS-PALEOGENE BASIN INVERSION, UPLIFT, AND EROSIONAL STRIPPING IN THE KLAMATH MOUNTAINS, PRIOR TO EOCENE COLLISION OF SILETZIA
MICHALAK, Melanie J.1, DORSEY, Rebecca J.2, BAUGHMAN, Jaclyn S.1, SOUSA, Francis J.3 and DARIN, Michael4, (1)Department of Geology, Cal Poly Humboldt, 1 Harpst St, Arcata, CA 95521, (2)Department of Earth Sciences, University of Oregon, Cascade Hall, 100, 1275 E 13th Ave, Eugene, OR 97401, (3)College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, 104 CEOAS Admin Bldg., Corvallis, OR 97331, (4)Oregon Department of Geology and Mineral Industries, 800 NE Oregon Street, Suite 965, Portland, OR 97232
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