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GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 57
Sunday, 22 October 2017: 1:30 PM-5:30 PM
Tahoma 4 (The Conference Center)

T228. Origin, Accretion, and Translation of Mesozoic-Cenozoic Terranes along the Pacific Margin of North America

GSA Structural Geology and Tectonics Division
David T. Katopody, Mark T. Brandon and Bernard Housen, Advocates
57-1
1:30 PM
TOMOTECTONIC CONSTRAINTS ON ASSEMBLY OF CORDILLERAN NORTH AMERICA SINCE PANGEA BREAKUP (Invited Presentation)
MIHALYNUK, Mitchell G., British Columbia Geological Survey, Victoria, BC V8W 9N3, Canada and SIGLOCH, Karin, Earth Sciences Department, University of Oxford, South Parks Road, Oxford, OX13AN, United Kingdom, Mitch.Mihalynuk@gov.bc.ca
57-2
1:45 PM
ROCK AND AGE RELATIONSHIPS OF THE TALKEETNA FOREARC SUBDUCTION COMPLEX IN THE NELCHINA AREA, SOUTHERN ALASKA
BAREFOOT, John, NADIN, Elisabeth S. and NEWBERRY, Rainer, Department of Geology and Geophysics, University of Alaska Fairbanks, Fairbanks, AK 99775, jbarefoot@alaska.edu
57-3
2:00 PM
INTRAFORMATIONAL CLASTIC DIKES OF THE UPPER CRETACEOUS NANAIMO GROUP (BRITISH COLUMBIA, CANADA): EVIDENCE FOR TERRANE DOCKING
MITCHELL, Ross, Applied Geology, B312, Curtin University, Bentley, WA 6102, Bentley, WA, 6102, Australia and WARD, Peter D., Department of Biology, University of Washington, Seattle, WA 98195, ross.mitchell@curtin.edu.au
57-4
2:15 PM
REFINING THE PROVENANCE OF THE NANAIMO BASIN, BRITISH COLUMBIA, CANADA BY LA-ICP-MS DEPTH PROFILING
BOIVIN, Marie-Pier1, MATTHEWS, William A.1, GUEST, Bernard2 and HUBBARD, Stephen M.1, (1)Department of Geoscience, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada, (2)34 Avenue NW, Calgary, AB T2L1Y2, Canada, mpboivin@ucalgary.ca
57-5
2:30 PM
CENOZOIC STRUCTURAL JUXTAPOSITION OF THE SAN JUAN ISLANDS – WRANGELLIA AND THE NORTHWEST CASCADES – COAST PLUTONIC COMPLEX, NORTHWESTERN WASHINGTON AND SOUTHWEST BRITISH COLUMBIA
KATOPODY, David T. and OLDOW, John S., Department of Geosciences, University of Texas at Dallas, 800 West Campbell Road, Richardson, TX 75080, DKatopody@utdallas.edu
57-6
2:45 PM
INITIATION AND EARLY EVOLUTION OF A SUBDUCTION ZONE: T-T-D HISTORY OF THE EASTON METAMORPHIC SUITE, NORTHWEST WASHINGTON STATE
CORDOVA, Jeremy L., Western Washington University Department of Geology, 516 High St., Bellingham, WA 98229, SCHERMER, Elizabeth, Geology Department, Western Washington University, 516 High St. MS 9080, Bellingham, WA 98225, MULCAHY, Sean R., Geology Department, Western Washington University, Bellingham, WA 98225 and WEBB, Laura E., Department of Geology, University of Vermont, 180 Colchester Ave., Burlington, VT 05405, cordovajeremy@gmail.com
 
3:00 PM
Break
57-7
3:15 PM
TESTING THE CORRELATION OF ROCKS EAST AND WEST OF THE HARRISON LAKE SHEAR ZONE USING DETRITAL ZIRCON GEOCHRONOLOGY
DORSEY, Malcolm S., Geoscience, University of Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada, MATTHEWS, William A., Department of Geoscience, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada and GUEST, Bernard, 34 Avenue NW, Calgary, AB T2L1Y2, Canada, msdorsey@ucalgary.ca
57-8
3:30 PM
PERSPECTIVE ON LATERAL TERRANE TRANSLATION FROM SYNTECTONIC EMPLACEMENT OF THE HICKS BUTTE PLUTON IN THE CENTRAL CASCADES OF WASHINGTON STATE
DAVIS, Peter, University of Puget Sound, 1500 N Warner St, Tacoma, WA 98416 and STUBBS, Michael, Department of Geology, University of Puget Sound, 1500 N Warner St, Tacoma, WA 98416, davispb@plu.edu
57-9
3:45 PM
A WINDOW INTO THE LATE CRETACEOUS PALEOGEOGRAPHY OF THE U. S. CORDILLERA: PROVENANCE ANALYSIS OF THE OCHOCO BASIN, CENTRAL OREGON (Invited Presentation)
SURPLESS, Kathleen D.1, GULLIVER, Kirk D.H.1, HOUSEN, Bernard A.2 and VERVOORT, Jeff D.3, (1)Geosciences, Trinity University, One Trinity Place, San Antonio, TX 78232, (2)Geology, Western Washington University, 516 High St, Bellingham, WA 98225, (3)School of the Environment, Washington State University, Pullman, WA 99164, ksurples@trinity.edu
57-10
4:00 PM
NEW CONSTRAINTS ON MODELS FOR FOREARC SHORTENING ALONG THE SUR–NACIMIENTO FAULT, CENTRAL CALIFORNIA COAST
JOHNSTON, Scott M., Physics Department, California Polytechnic State University, San Luis Obispo, CA 93407, JACOBSON, C.E., Geological & Atmospheric Sciences, Iowa State University, Ames, IA 50011, CHAPMAN, Alan D., Geology Department, Macalester College, 1600 Grand Ave., St. Paul, MN 55105 and KYLANDER-CLARK, Andrew, Department of Earth Science, University of California, Santa Barbara, CA 93106, scjohnst@calpoly.edu
 
4:15 PM
Break
57-11
4:30 PM
NATIVE MESOZOIC SIERRA NEVADA ARC INDICATED BY DETRITAL ZIRCON GEOCHRONOLOGY OF PREBATHOLITHIC FRAMEWORK AND INTRA-ARC STRATA
ATTIA, Snir1, PATERSON, Scott R.1, SALEEBY, Jason2 and CHAPMAN, Alan D.3, (1)Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Los Angeles, CA 90089, (2)Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, MC 100-23, Pasadena, CA 91125, (3)Geology Department, Macalester College, 1600 Grand Ave., St. Paul, MN 55105, sattia@usc.edu
57-12
4:45 PM
LATEST CRETACEOUS THROUGH CENOZOIC EXHUMATION HISTORY OF THE SOUTHERN SIERRA NEVADA AND NORTHWESTERN MOJAVE DESERT REGION USING BASEMENT AND DETRITAL THERMOCHRONOLOGY
SHULAKER, Danielle Ziva, Stanford University, Geological Sciences, 450 Serra Mall Bldg. 320 Rm.118, Stanford, CA 94305-2115, GROVE, Marty, Department of Geological Sciences, Stanford University, Stanford, CA 94305, HOURIGAN, Jeremy K., Earth and Planetary Sciences, University of California, Santa Cruz, 1156 High St, Santa Cruz, CA 95064, VAN BUER, Nicholas J., Department of Geological Sciences, California State Polytechnic University, Pomona, 3801 W Temple Ave, Pomona, CA 91768 and SHARMAN, Glenn R., Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Building 320, Stanford University, Stanford, CA 9305, zivas@stanford.edu
57-13
5:00 PM
TECTONIC TRAUMA AND HEALING OF SUB-CONTINENTAL MANTLE LITHOSPHERE BENEATH THE SW NORTH AMERICAN CORDILLERA: INSIGHTS FROM U-PB ZIRCON AND SM-ND GARNET AGES FROM COLORADO PLATEAU TRANSITION ZONE XENOLITHS (Invited Presentation)
SHIELDS, Jessie E.1, CHAPMAN, Alan D.1 and DUCEA, Mihai N.2, (1)Geology Department, Macalester College, 1600 Grand Ave., St. Paul, MN 55105, (2)Department of Geosciences, University of Arizona, Tucson, AZ 85721, jessieshields9@mail.fresnostate.edu
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