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GSA Connects 2021 in Portland, Oregon

Session No. 143
Tuesday, 12 October 2021: 8:00 AM-12:00 PM
Portland Ballroom 255 (Hybrid Room) (Oregon Convention Center)

T99. Insights into Cordilleran Tectonics and Magmatism from the Sedimentary Record

GSA Structural Geology and Tectonics Division; GSA Sedimentary Geology Division; Geochemical Society

 

Richard M. Gaschnig and Kathleen Surpless, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
143-1
8:05 AM
THE REAL ANTLER OROGENY:EVIDENCE IN NEVADA
CASHMAN, Patricia, Department of Geological Sciences and Engineering, University of Nevada, MS 172, Reno, NV 89557 and STURMER, Daniel, Department of Geology, University of Cincinnati, 500 Geology Physics Building, P.O. Box 210013, Cincinnati, OH 45221-0013
Recorded Presentation
143-2
8:20 AM
DETRITAL-ZIRCON AGES OF UPPER MISSISSIPPIAN–LOWER PENNSYLVANIAN DEPOSITS INDICATE MORROWAN INCEPTION OF THE ANCESTRAL ROCKY MOUNTAINS OROGEN
LAWTON, Timothy, University of Texas at Austin, Bureau of Economic Geology, 10611 Exploration Way, Austin, TX 78758, THOMAS, William A., Emeritus University of Kentucky, Geological Survey of Alabama, P.O. Box 869999, Tuscaloosa, AL 35486-6999 and GEHRELS, George E., Department of Geosciences, University of Arizona, Tucson, AZ 85721
Recorded Presentation
143-3
8:35 AM
Withdrawn
143-4
8:50 AM
DETRITAL ZIRCON RECORD OF CORDILLERAN MAGMATISM AS PRESERVED BY JURASSIC-PALEOCENE FOREARC AND FORELAND BASINS OF THE NORTH AMERICAN CORDILLERA
SCHWARTZ, Theresa1, SURPLESS, Kathleen D.2 and COLGAN, Joseph P.1, (1)U.S. Geological Survey, Geosciences and Environmental Change Science Center, DFC, Box 25046, MS 980, Denver, CO 80225, (2)Geosciences, Trinity University, One Trinity Place, San Antonio, TX 78212
Recorded Presentation Recorded Presentation
143-5
9:05 AM
PREDICTING SAND MINERALOGY WITHIN CORDILLERAN OROGENIC SYSTEMS: MACHINE LEARNING APPLIED TO A GLOBAL DATABASE OF MODERN-PLEISTOCENE SAND SAMPLES (Invited Presentation)
SHARMAN, Glenn, Department of Geosciences, University of Arkansas, 340 N. Campus Drive, 216 Gearhart Hall, Fayetteville, AR 72701, JOHNSON, Isaac, Geosciences, University of Arkansas, 216 Gearhart Hall, 340 N. Campus Dr., Fayetteville, TX 72701, HUANG, Xiao, Geosciences, University of Arkansas, 340 N. Campus Dr., 216 Gearhart Hall, Fayetteville, AR 72701 and SZYMANSKI, Eugene, Utah Geological Survey, 1594 West North Temple, Suite 3110, Salt Lake City, UT 84116
Recorded Presentation
143-6
9:25 AM
TRACKING CRETACEOUS CORDILLERAN MAGMATIC ARC PETROGENESIS USING COUPLED DETRITAL ZIRCON GEOCHRONOLOGY, HF ISOTOPES, AND GEOCHEMISTRY FROM MODERN SIERRA NEVADA SAND
JOHNSTON, Scott, Department of Geological Sciences, California State University Northridge, Northridge, CA 91130-8266, KYLANDER-CLARK, Andrew, Dept. of Earth Science, UC Santa Barbara, Santa Barbara, CA 93106-9630 and BARTH, Andrew P., Indiana University-Purdue University, Indianapolis, IN 46202
Recorded Presentation
143-7
9:40 AM
LATE MESOZOIC TERRANE ASSEMBLY IN THE NORTHWESTERN CORDILLERA THROUGH THE LENS OF SILICICLASTIC SUCCESSIONS IN EASTERN INTERIOR ALASKA
JONES III, Jamey, U.S. Geological Survey, Alaska Science Center, Anchorage, AK 99508, HOLM-DENOMA, Chris, U.S. Geological Survey, Geology, Geophysics, and Geochemistry Science Center, Denver Federal Center, Denver, CO 80225, BRADLEY, Dwight, U.S. Geological Survey, 4210 University Drive, Anchorage, AK 99508 and O'SULLIVAN, Paul, GeoSep Services, GeoSep Services Inc., 1521 Pine Cone Road, Moscow, ID 83843
Recorded Presentation Recorded Presentation
 
9:55 AM
Break
143-8
10:10 AM
A CRUCIAL GEOLOGIC TEST OF LATE JURASSIC EXOTIC COLLISION VERSUS ENDEMIC RE-ACCRETION IN THE KLAMATH MOUNTAINS PROVINCE, WESTERN UNITED STATES, WITH IMPLICATIONS FOR THE ASSEMBLY OF WESTERN NORTH AMERICA
LAMASKIN, Todd1, RIVAS, Jonathan A.2, BARBEAU Jr., David L.3, SCHWARTZ, Joshua, PhD4, RUSSELL, John A.2 and CHAPMAN, Alan5, (1)University of North Carolina Wilmington, Dept. of Earth & Ocean Sciences, 601 S. College Rd., Wilmington, NC 28403-3201, (2)Department of Earth and Ocean Sciences, University of North Carolina Wilmington, 601 South College Rd., Wilmington, NC 28403, (3)School of the Earth, Ocean and Environment, University of South Carolina, Columbia, SC 29208, (4)Department of Geological Sciences, California State University Northridge, 18111 Nordhoff Street, Northridge, CA 91330, (5)Geology, Macalester College, 1600 Grand Ave., Saint Paul, MN 55105-1801
Recorded Presentation
143-9
10:25 AM
DETRITAL MINERAL CONSTRAINTS REFLECTING MODERATE NORTHWARD TRANSLATION OF THE GOLD BEACH TERRANE, OREGON
BOUDREAU, Ericka1, GASCHNIG, Richard M.1, SCHWARTZ, Joshua2 and VERVOORT, Jeffrey3, (1)Department of Environmental, Earth and Atmospheric Sciences, University of Massachusetts Lowell, Lowell, MA 01852, (2)Geology and Geophysics, University of Wyoming, Laramie, WY 82071, (3)School of the Environmenet, Washington State University, Pullman, WA 99164
Recorded Presentation
143-10
10:40 AM
TRACKING 40 MILLION YEARS OF MIGRATING MAGMATISM ACROSS THE IDAHO BATHOLITH USING ZIRCON U-PB AGES AND HF ISOTOPES FROM CRETACEOUS BENTONITES
HANNON, Jeffrey, University of Wisconsin Madison, Department of Geoscience, 1215 W Dayton St, Madison, WI 53706, DIETSCH, Craig, Department of Geology, University of Cincinnati, Cincinnati, OH 45221 and HUFF, Warren, Dept. of Geology, Univ of Cincinnati, Cincinnati, OH 45221
Recorded Presentation
143-11
10:55 AM
VARIATION IN BASIN GEOMETRY AND ACCOMMODATION DURING THE LATE CRETACEOUS, NORTH AMERICAN CORDILLERA, MONTANA AND WYOMING
EICHLER, Carla, Oklahoma Geological Survey, University of Oklahoma, 100 E. Boyd St., Norman, OK 73019, SAYLOR, Joel, Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, 2020 – 2207 Main Mall, Vancouver, BC V6T1Z4, CANADA and WELLNER, Julia S., Department of Earth and Atmospheric Sciences, University of Houston, 312 Science and Research Building 1, Houston, TX 77204-5007
143-12
11:10 AM
DETRITAL ZIRCON U-PB GEOCHRONOLOGY OF CRETACEOUS STRATA IN THE SOUTHWESTERN MONTANA FORELAND BASIN PROVIDES NEW TEMPORAL CONTROL FOR THE ONSET OF LARAMIDE DEFORMATION (Invited Presentation)
FINZEL, Emily1, PEARSON, David2, ROSENBLUME, Justin3, GARDNER, Cole3 and GARBER, Kacey3, (1)Earth and Environmental Sciences, University of Iowa, Iowa City, IA 52242, (2)Department of Geosciences, Idaho State University, 921 S 8th Ave Stop 8072, Pocatello, IA 83209-0002, (3)Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242
Recorded Presentation Recorded Presentation
143-13
11:30 AM
MIDDLE ALBIAN PROVENANCE, SEDIMENT DISPERSAL, AND FORELAND BASIN DYNAMICS IN SOUTHWESTERN MONTANA, NORTH AMERICAN CORDILLERA
ROSENBLUME, Justin1, FINZEL, Emily2, GARDNER, Cole1 and PEARSON, David3, (1)Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242, (2)Earth and Environmental Sciences, University of Iowa, Iowa City, IA 52242, (3)Department of Geosciences, Idaho State University, 921 S 8th Ave Stop 8072, Pocatello, IA 83209-0002
Recorded Presentation Recorded Presentation
143-14
11:45 AM
PRE-MIOCENE AGED SAPROLITE ZONE IN THE COYOTE MOUNTAINS, SALTON TOUGH, SOUTHERN CALIFORNIA
MORGAN, George, 4671 Lee Ave, La Mesa, CA 91942 and PRALL, John
Recorded Presentation
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