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GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 344
Wednesday, 25 October 2017: 1:30 PM-5:30 PM
Tahoma 5 (The Conference Center)

T225. New Perspectives on Cordilleran Tectonics, Paleogeography, and Metallogeny

GSA Sedimentary Geology Division; SEPM (Society for Sedimentary Geology); Society of Economic Geologists; GSA Structural Geology and Tectonics Division
Luke P. Beranek, Justin V. Strauss and Stephen J. Piercey, Advocates
344-1
1:30 PM
A PORPOISING CRYOGENIAN BASIN IN THE PANAMINT RANGE, CALIFORNIA
NELSON, Lyle L.1, SMITH, Emily F.1, MACDONALD, Francis A.2 and HODGIN, Eben Blake2, (1)Earth & Planetary Sciences, Johns Hopkins University, 3400 N Charles Street, Olin Hall, Baltimore, MD 21218, (2)Department of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, lylelnelson@gmail.com
344-2
1:45 PM
NEOPROTEROZOIC-EARLY CAMBRIAN PULL-APART BASINS ALONG CORDILLERAN TRANSFORM MARGIN, NORTH AMERICA, AND IMPLICATIONS FOR SIBERIAN CONJUGATE CONNECTION
SEARS, James W., Department of Geosciences, University of Montana, Missoula, MT 59812, james.sears@umontana.edu
344-3
2:00 PM
ANCIENT RIFTED LAURENTIAN MARGIN CONTROLS ON MESO-CENOZOIC CORDILLERAN METALLOGENY (Invited Presentation)
HART, Craig J.R., MDRU-Mineral Deposit Research Unit, University of British Columbia, 2020 - 2207 Main Mall, Vancouver, BC V6T 1Z4, Canada, chart@eoas.ubc.ca
344-4
2:20 PM
USING VOLCANOGENIC MASSIVE SULFIDES (VMS) AS PROXIES FOR MID-PALEOZOIC TECTONICS, CRUSTAL COMPOSITION, AND BASIN REDOX ALONG THE ANCIENT PACIFIC MARGIN OF NORTH AMERICA
PIERCEY, Stephen J., Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NF A1B 3X5, Canada and BERANEK, Luke P., Department of Earth Sciences, Memorial University of Newfoundland, 9 Arctic Avenue, St. John's, NF A1B 3X5, Canada, spiercey@mun.ca
344-5
2:35 PM
DETRITAL ZIRCON GEOCHRONOLOGY AND PROVENANCES OF QUARTZOSE METASEDIMENTARY ROCKS FROM PARAUTOCHTHONOUS NORTH AMERICA, EAST-CENTRAL ALASKA
DUSEL-BACON, Cynthia1, HOLM-DENOMA, Christopher S.2, JONES III, James V.3, ALEINIKOFF, John N.2 and MORTENSEN, James K.4, (1)U.S. Geological Survey, Geology, Minerals, Energy, and Geophysics Science Center, 345 Middlefield Road, Menlo Park, CA 94025, (2)U.S. Geological Survey, Central Mineral and Environmental Resources Science Center, Denver Federal Center, Denver, CO 80225, (3)U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, (4)Department of Earth, Ocean, and Atmospheric Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, cdusel@usgs.gov
344-6
2:50 PM
JURASSIC STRATIGRAPHY AND TECTONIC EVOLUTION OF THE WHITEHORSE TROUGH, CENTRAL YUKON: NEW INSIGHTS FROM LASER ABLATION SPLIT STREAM (LASS) DETRITAL ZIRCON U-PB GEOCHRONOLOGY AND HF ISOTOPE GEOCHEMISTRY
VAN DRECHT, Leigh H., Earth Sciences, Memorial University of Newfoundland, 9 Arctic Avenue, St. John's, NF A1B3X5, Canada and BERANEK, Luke P., Department of Earth Sciences, Memorial University of Newfoundland, 9 Arctic Avenue, St. John's, NF A1B 3X5, Canada, lhvandrecht@mun.ca
344-7
3:05 PM
FOREARC BASIN DETRITAL RECORD OF MESOZOIC-CENOZOIC TECTONICS IN THE NORTHERN CORDILLERA, SOUTH-CENTRAL ALASKA (Invited Presentation)
FINZEL, Emily S., Earth & Environmental Science Department, University of Iowa, Trowbridge Hall, North Capitol Street, Iowa City, IA 52242, ENKELMANN, Eva, Department of Geology, University of Cincinnati, Cincinnati, OH 45221, FALKOWSKI, Sarah, Department of Geology, University of Tuebingen, Wilhelmstrasse 56, Tuebingen, 72074, Germany, REID, Mattie M., Earth & Environmental Sciences Department, University of Iowa, Trowbridge Hall, North Capitol Street, Iowa City, IA 52242 and MCCLELLAND, William C., Department of Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242, emily-finzel@uiowa.edu
344-8
3:25 PM
EVOLUTION OF JURA-CRETACEOUS BASINS IN SOUTHWEST YUKON, WITH IMPLICATIONS FOR MESOZOIC ACCRETIONARY PROCESSES IN THE WESTERN NORTH AMERICAN CORDILLERA
VICE, Lianna E.D.1, GIBSON, H. Dan1, ISRAEL, Steve A.2 and CROWLEY, James L.3, (1)Earth Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada, (2)Yukon Geological Survey, 91807 Alaska Highway, Whitehorse, YT Y1A 2C6, Canada, (3)Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535, lvice@sfu.ca
344-9
3:40 PM
A SUMMARY OF RECENT PROGRESS ON UNDERSTANDING THE STRUCTURAL EVOLUTION AND PALEOGEOGRAPHY OF THE NEVADAPLANO (Invited Presentation)
LONG, Sean P., School of the Environment, Washington State University, Pullman, WA 99164, sean.p.long@wsu.edu
344-10
4:00 PM
AN OVERLOOKED WIDE ZONE OF HIGH STRAIN IN THE 'AUTOCHTHON' OF THE EARLY-MIDDLE JURASSIC FENCEMAKER DEFORMATION BELT, NORTHWEST NEVADA: IMPLICATIONS FOR CORDILLERAN OROGENESIS, PALEOGEOGRAPHY, AND ORE DEPOSITS
WYLD, Sandra J., MapTect LLC, 196 Alps Rd, Suite 2-168, Athens, GA 30606, PRIHAR, Douglas W., Pershing Gold Corp., P.O. Box 1033, 1055 Cornell Avenue, Lovelock, NV 89419, PETERS, Stephen G., Minerals Program, U.S. Geological Survey, Dept. of Geology, University of Nevada, Mackay School of Mines MS176, Reno, NV 89557, FIFAREK, Richard H., Department of Geology, Southern Illinois University, 2612 NE 167th Cir, Ridgefield, WA 98642 and WRIGHT, James E., Department of Geology, University of Georgia, Athens, GA 30602, swyld2@gmail.com
344-11
4:15 PM
EVALUATING ARC PERIODICITY AND GEOCHEMICAL EVOLUTION WITHIN THE CENTRAL NORTH AMERICAN CORDILLERA: CONSTRAINTS FROM THE U-PB AND HF ISOTOPE RECORD OF DETRITAL ZIRCONS IN FORELAND STRATA
BALGORD, Elizabeth, Geoscience, Weber State University, 1415 Edvalson St., Dept. 2507, Ogden, UT 84408-2507, YONKEE, Adolph, Department of Geosciences, Weber State University, 2507 University Circle, Ogden, UT 84408, WELLS, Michael, Department of Geoscience, University of Nevada, Las Vegas, 4505 S. Maryland Pkwy, Las Vegas, NV 89154, LASKOWSKI, Andrew, Earth Sciences, Montana State University, 226 Traphagen Hall, P.O. Box 173480, Bozeman, MT 59717-3480 and GENTRY, Amanda, Geoscience Department, University of Nevada Las Vegas, 4505 S. Maryland Parkway., Las Vegas, NV 89154, elizabethbalgord@weber.edu
344-12
4:30 PM
GEOCHRONOLOGIC CONSTRAINTS ON THE HISTORY OF MAGMATISM, METAMORPHISM, AND DEFORMATION IN THE CHELAN MOUNTAINS TERRANE, NW CASCADES CRYSTALLINE CORE, WA
SCHERMER, Elizabeth, Geology Department, Western Washington University, 516 High St. MS 9080, Bellingham, WA 98225, LABADIE, Julia E., Anchor QEA, Bellingham, WA 98225, GRIESEL, Gerald E., Newmont Mining Corporation, Elko, NV 89801, FITTS, Aaron, Materials Testing and Consulting, Bellingham, WA 98225 and ISAACSON, Robert G., Rio Tinto, West Jordan, UT 84095, liz.schermer@wwu.edu
344-13
4:45 PM
CONTRASTING CRETACEOUS PALEODRAINAGE SYSTEMS OF BASINS FLANKING THE BROOKS RANGE, ARCTIC ALASKA
O'BRIEN, Tim M.1, MILLER, Elizabeth L.1, PEASE, Victoria2, HAYDEN, Leslie A.3, FISHER, Christopher M.4, HOURIGAN, Jeremy5 and VERVOORT, Jeff D.6, (1)Department of Geological Sciences, Stanford University, Stanford, CA 94305, (2)Department of Geological Sciences, Stockholm University, Stockholm, SE-106 91, Sweden, (3)U.S. Geological Survey, Menlo Park, CA 94025, (4)Earth Sciences, Memorial University of Newfoundland, St John's, NF A1B 3X5, Canada, (5)Earth and Planetary Sciences, University California Santa Cruz, Santa Cruz, CA 94305, (6)School of the Environment, Washington State University, Pullman, WA 99164, timothy3@stanford.edu
344-14
5:00 PM
U-PB DETRITAL GEOCHRONOLOGY AND HF ISOTOPIC ANALYSES FROM UPPER CRETACEOUS STRATA OF THE NORTHERN TALKEETNA MOUNTAINS, SOUTHERN ALASKA: SEDIMENT DISPERSAL AND MAGMATISM DURING THE FINAL ACCRETIONARY PHASE OF THE WRANGELLIA COMPOSITE TERRANE
HAMPTON, Brian A., JACOBS, Makayla R. and STOPKA, Cody J., Department of Geological Sciences, New Mexico State University, P.O. Box 30001, Las Cruces, NM 88003, bhampton@nmsu.edu
344-15
5:15 PM
CHARACTERIZATION OF PALEOCENE TO EOCENE MAGMATISM AND TECTONICS IN THE NORTHERN CANADIAN CORDILLERA AND THEIR ROLE IN REGIONAL METALLOGENY
ISRAEL, Steve A., Yukon Geological Survey, 91807 Alaska Highway, Whitehorse, YT Y1A 2C6, Canada, MURPHY, Donald C., Yukon Geological Survey, Box 2703 (K14), Whitehorse, YT Y1A 2C6, Canada, CROWLEY, James L., Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535 and BENOWITZ, Jeffrey A., Geology and Geophysics, University of Alaska Fairbanks, P.O. Box 755780, Fairbanks, AK 99775, steve.israel@gov.yk.ca
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