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Cordilleran Section - 119th Annual Meeting - 2023

Session No. 13
Thursday, 18 May 2023: 8:00 AM-12:00 PM
Whitney Peak Ballroom 1 (The Whitney Peak Hotel)

S1. Late Jurassic to Eocene Tectonics of the North America Cordillera I: Evolving and Emerging Models

 

Basil Tikoff, Stacia Gordon, Andrew P. Barth, Cathy Busby, Robinson Cecil, Sarah Roeske and Michael Wells, Conveners
Paper #
Start Time
13-1
8:00 AM
GEOLOGICAL CONSTRAINTS FOR LATE JURASSIC-EOCENE CORDILLERAN OROGENY IN THE WESTERN U.S.A.: REVIEW AND ACTUALISTIC COMPARISONS
DECELLES, Peter G.1, CONSTENIUS, Kurt N.1, GEHRELS, George E.1 and YONKEE, Adolph2, (1)Department of Geosciences, University of Arizona, Tucson, AZ 85721, (2)Department of Earth and Environmental Sciences, Weber State University, 1415 Edvalson St - DEPT 2507, Ogden, UT 84408-2507
13-2
8:30 AM
TERRANE TRANSLATION AND COLLISIONAL OROGENY IN THE NORTH AMERICA CORDILLERA
HOUSEN, Bernie, Geology Department, Western Washington University, 516 High St, Bellingham, WA 98225 and TIKOFF, Basil, Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53703
 
9:00 AM
Discussion
13-3
9:15 AM
INTERVAL BETWEEN REGIONAL MID-CRETACEOUS CONTRACTION AND EOCENE TRANSTENSION IN THE NORTH CASCADES SEGMENT OF THE COAST MOUNTAINS BATHOLITH: INSIGHTS AND QUESTIONS
MILLER, Robert, Geology Department, San Jose State University, 1 Washington Square, San Jose, CA 95192, GORDON, Stacia, Department of Geological Sciences, University of Nevada, Reno, 1664 N. Virginia St, MS0172, Reno, NV 89557 and EDDY, Michael, Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, 550 Stadium Mall Drive, West Lafayette, CA 47907
13-4
9:30 AM
INTERACTION OF MAGMATISM AND DEFORMATION DURING POST-OROGENIC DELAMINATION IN THE NORTH AMERICAN CORDILLERA DURING THE EOCENE-OLIGOCENE
NELSON, Ellen and TIKOFF, Basil, Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53703
13-5
9:45 AM
NEVADAN OROGENESIS REDEFINED: MID-CRUSTAL MIGMATIZATION, CONSTRICTIONAL DEFORMATION, AND SOURCE REGION DE-FOOTITATION ABOVE AN EAST-DIPPING SUBDUCTING SLAB, CA/OR
YOSHINOBU, Aaron1, GATES, Katie M.2, BARNES, Calvin2 and SURPLESS, Kathleen3, (1)Department of Geosciences, Texas Tech University, Lubbock, TX 79409, (2)Department of Geosciences, Texas Tech University, Lubbock, TX 79409-1053, (3)Department of Geosciences, Trinity University, One Trinity Place, San Antonio, TX 78212
13-6
10:00 AM
RETRODEFORMING THE KLAMATH MOUNTAINS OROCLINE
DORSEY, Rebecca J.1, DARIN, Michael2, HUMPHREYS, Eugene1, MICHALAK, Melanie J.3 and SOUSA, Francis J.4, (1)Department of Earth Sciences, University of Oregon, Eugene, OR 97403, (2)Nevada Bureau of Mines & Geology, University of Nevada, Reno, 1664 N. Virginia St, MS 0178, Reno, NV 89557-0178, (3)Dept. of Geology, Cal Poly Humboldt University, 1 Harpst St, Arcata, CA 95521, (4)College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331
13-7
10:15 AM
RAIDERS OF THE LOST ARC: DETRITAL ZIRCON U-PB-HF PROVENANCE OF THE UMPQUA AND TYEE GROUPS AND IMPLICATIONS FOR LATE CRETACEOUS TO EOCENE PALEOGEOGRAPHY OF CASCADIA
DARIN, Michael1, DORSEY, Rebecca J.2, MICHALAK, Melanie J.3, SOUSA, Francis4, ARMENTROUT, John2 and SANTRA, Manasij5, (1)Nevada Bureau of Mines and Geology, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557, (2)Department of Earth Sciences, University of Oregon, 100 Cascade Hall, 1272 University of Oregon, Eugene, OR 97403-1272, (3)Geology Department, Humboldt State University, 1 Harpst St, Arcata, CA 95521, (4)College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Wilkinson 202D, Corvallis, OR 97331, (5)Fugro USA Marine Inc., 6100 Hillcroft St., Houston, TX 77081
13-8
10:30 AM
DECIPHERING THE TECTONIC EVOLUTION OF THE LATE JURASSIC CONTINENTAL MARGIN FROM DETRITAL ZIRCON PROVENANCE ANALYSIS OF THE GALICE AND MARIPOSA FORMATIONS, OREGON AND CALIFORNIA
SURPLESS, Kathleen1, BARNES, Calvin2 and YOSHINOBU, Aaron2, (1)Department of Geosciences, Trinity University, One Trinity Place, San Antonio, TX 78212, (2)Department of Geosciences, Texas Tech University, Lubbock, TX 79409
13-9
10:45 AM
A PROBABLE IDAHO SOURCE FOR DETRITAL ZIRCONS IN A LATE CRETACEOUS-EOCENE SUBMARINE FAN SEQUENCE OVERLYING THE CENTRAL BELT OF THE FRANCISCAN COMPLEX, NORTHERN CALIFORNIA
MCLAUGHLIN, Robert1, SHARMAN, Glenn R.2, DUMITRU, Trevor A.3, STANLEY, Richard G.1, SHAULIS, Barry J.4, MCDOUGALL, Kristin5 and ELDER, William P.6, (1)U.S. Geological Survey, Emeritus, 345 Middlefield Road, Menlo Park, CA 94025, (2)Department of Geosciences, University of Arkansas, Fayetteville, AR 72701, (3)Jasper Canyon Research Inc., Palo Alto, CA 94306, (4)University of Arkansas Trace element and Radiogenic Isotope Laboratory, University of Arkansas, Fayetteville, AR 72701, (5)U.S. Geological Survey, GMEG Science Center, 2255 N. Gemini Drive, Flagstaff, AZ 86001, (6)Research Associate, University of California, Museum of Paleontology, Berkeley, CA 94720
13-10
11:00 AM
Withdrawn
13-11
11:15 AM
HOT CORDILLERAN HINTERLAND PROMOTED LOWER CRUST MOBILITY AND DECOUPLING OF LARAMIDE DEFORMATION
VLAHA, Dominik, Nevada Bureau of Mines and Geology, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557; Department of Geological Sciences and Engineering, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557-0172 and ZUZA, Andrew, Nevada Bureau of Mines and Geology, University of Nevada, Reno, Reno, NV 89557
13-12
11:30 AM
A TOP-TO-BOTTOM TIMELINE FOR PERMIAN TO EARLY CRETACEOUS EXTENSION WITHIN THE SOUTHERN SIERRA NEVADA ARC: ZIRCON U-PB-HF STUDIES OF CRYSTALLINE ROCKS FROM THE KERN PLATEAU AND GREENHORN MOUNTAINS
CLEMENS-KNOTT, Diane1, GEVEDON, Michelle2 and CONCHA, Christian A.1, (1)Department of Geological Sciences, California State University, Fullerton, CA 92834, (2)Colorado College, Geology Department, 14 E. Cache la Poudre St., Colorado Springs, CO 80903
13-13
11:45 AM
TRACKING LARAMIDE EXHUMATION AS A PROXY FOR UPPER CRUSTAL RESPONSE TO SUBDUCTION PROCESSES
JEPSON, Gilby1, CARRAPA, Barbara2, DECELLES, Peter G.2, REEHER, Lauren2, HOWLETT, Caden2, LAMA SHERPA, Tshering2, CAYLOR, Emilia2, WANG, Jordan W.2 and CONSTENIUS, Kurt N.2, (1)Department of Geosciences, University of Arizona, Tucson, AZ 85721; School of Geosciences, University of Oklahoma, Norman, OK 73019, (2)Department of Geosciences, University of Arizona, Tucson, AZ 85721
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