Session: The Life and Death of Mobile Belts along the North American Cordillera: Advances in Understanding the Long- Term Construction of Continental Margins (Posters) (2013 GSA Annual Meeting in Denver: 125th Anniversary of GSA (27-30 October 2013))

REMNANTS IN NORTHEASTERN ALASKA OF PART OF A DEVONIAN COLLISIONAL ZONE FROM THE NORTHERN MARGIN OF LAURENTIA
Abstract ID#: 227234

MOORE, Thomas E., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, tmoore@usgs.gov and O'SULLIVAN, Paul B., Apatite to Zircon, Inc, 1075 Matson Rd, Viola, ID 83872-9709

GEOCHRONOLOGICAL, GEOCHEMICAL, AND SEDIMENTOLOGICAL CONSTRAINTS ON THE EARLY PALEOZOIC HISTORY OF THE NORTH SLOPE OF ARCTIC ALASKA
Abstract ID#: 231665

STRAUSS, Justin V., Department of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, jstrauss@fas.harvard.edu, MACDONALD, Francis A., Department of Earth and Planetary Sciences, Harvard University, 20 Oxford St, Cambridge, MA 02138, TAYLOR, John F., Geoscience Dept, Indiana University of Pennsylvania, Indiana, PA 15705, REPETSKI, John E., 926A National Center, U.S. Geological Survey, Reston, VA 20192, and MCCLELLAND, William C., Department of Earth and Environmental Sciences, University of Iowa, 121 Trowbridge Hall, Iowa City, IA 52242

COMPARATIVE PROVENANCE APPROACHES FOR CONSTRAINING TRENDS IN EXHUMATION, SEDIMENT DISPERSAL, AND PALEOGEOGRAPHY FROM UPPER PALEOZOIC STRATA OF THE FAREWELL TERRANE, SW ALASKA
Abstract ID#: 225518

HAMPTON, Brian A.¹, KOROLESKI, Kraig J.¹, and MALKOWSKI, Matthew A.², (1) Dept. of Geological Sciences, New Mexico State University, P.O. Box 30001, Las Cruces, NM 88003-8001, bhampton@nmsu.edu, (2) Dept. of Geological & Environmental Sciences, Stanford University, 450 Serra Mall, Bldg 320, Stanford, CA 94301-2115

HF ISOTOPE SIGNATURES OF DETRITAL PRECAMBRIAN ZIRCON SUGGEST A SOUTHERN LAURENTIAN SOURCE FOR THE UPPER CRETACEOUS FLYSCH OF THE CHUGACH-PRINCE WILLIAM TERRANE, ALASKA
Abstract ID#: 228819

DAVIDSON, Cameron, Department of Geology, Carleton College, One North College St, Northfield, MN 55057, cdavidso@carleton.edu, GARVER, John I., Geology Department, Union College, Olin Building, Schenectady, NY 12308-2311, and ROBERTS, Nicolas M., Department of Geology, Carleton College, One North College St, Dept. of Geology, Northfield, MN 55057

GRANITIC AND VOLCANIC EPISODES IN A COLLISIONAL SETTING, CLARK CREEK IGNEOUS FIELD, NORTHERN TALKEETNA MOUNTAINS, ALASKA
Abstract ID#: 223639

CESCHINI, Alexandria Marie, Allegheny College, 313 Allegheny College 520 North Main Street, Meadville, PA 16335, ceschinia@allegheny.edu, COLE, Ron, Geology, Allegheny College, 520 N. Main St, Box 37A, Meadville, PA 16335, and CHUNG, Sun-Lin, Department of Geosciences, National Taiwan University, Taipei, Taiwan

FOREARC INTRUSIONS IN SOUTHERN ALASKA: EXAMPLE OF LONG-TERM INFLUENCE OF A SLAB WINDOW ON CONVERGENT MARGIN MAGMATISM
Abstract ID#: 229036

COLE, Ronald B., Dept of Geology, Allegheny College, 520 N. Main Street, Meadville, PA 16335, ron.cole@allegheny.edu, CHUNG, Sun-Lin, Department of Geosciences, National Taiwan University, Taipei, Taiwan, and FLANAGAN, Daniel M., Department of Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235

AN INBOARD PERSPECTIVE OF THE CENOZOIC TECTONO-MAGMATIC HISTORY OF ALASKA'S SOUTHERN CONVERGENT MARGIN
Abstract ID#: 232342

BENOWITZ, Jeff A., Geophysical Institute, University of Alaska Fairbanks, P.O. Box 755780, Fairbanks, AK 99775, jbenowitz@alaska.edu, ROESKE, Sarah, Geology Department, U. Cal. Davis, Davis, CA 95616, COLE, Ron, Geology, Allegheny College, 520 N. Main St, Box 37A, Meadville, PA 16335, LAYER, Paul W., College of Natural Science and Mathematics, Univ of Alaska Fairbanks, PO 755780, Fairbanks, AK 99775, FITZGERALD, Paul G., Department of Earth Sciences, Syracuse University, Syracuse, NY 13244, HAEUSSLER, Peter J., USGS, 4210 University Dr, Anchorage, AK 99508, ARMSTRONG, Phillip A., Geological Sciences, California State University, Fullerton, 800 N. State College Blvd, Fullerton, CA 92834, and O'SULLIVAN, Paul B., Apatite to Zircon, Inc, 1075 Matson Rd, Viola, ID 83872-9709

DETRITAL ZIRCON U-PB GEOCHRONOLOGY AND HF ISOTOPE GEOCHEMISTRY OF THE ALEXANDER TERRANE IN SOUTHEASTERN ALASKA
Abstract ID#: 223124

WHITE, Chelsi¹, GEHRELS, George², MCCLELLAND, William C.³, PECHA, Mark⁴, GIESLER, Dominique⁴, YOKELSON, Intan⁴, and WILLSON, Don⁵, (1) Geosciences, University of Arizona, Tucson, AZ 85721, chelsiw@email.arizona.edu, (2) Dept. of Geosciences, University of Arizona, 1040 E. 4th Street, Tucson, AZ 85721, (3) Department of Earth and Environmental Sciences, University of Iowa, 121 Trowbridge Hall, Iowa City, IA 52242, (4) Department of Geosciences, University of Arizona, Tucson, AZ 85721, (5) P.O. Box 1237, Port McNeill, BC V0N 2R0, Canada

DETRITAL ZIRCON U-PB GEOCHRONOLOGY AND HF ISOTOPE GEOCHEMISTRY OF THE YUKON-TANANA TERRANE, COAST MOUNTAINS, SOUTHEAST ALASKA
Abstract ID#: 230439

PECHA, Mark¹, GEHRELS, George², MCCLELLAND, William C.³, GIESLER, Dominique¹, WHITE, Chelsi⁴, YOKELSON, Intan¹, and WILLSON, Don⁵, (1) Department of Geosciences, University of Arizona, Tucson, AZ 85721, mpecha@email.arizona.edu, (2) Dept. of Geosciences, University of Arizona, 1040 E. 4th Street, Tucson, AZ 85721, (3) Department of Earth and Environmental Sciences, University of Iowa, 121 Trowbridge Hall, Iowa City, IA 52242, (4) Geosciences, University of Arizona, Tucson, AZ 85721, (5) P.O. Box 1237, Port McNeill, BC V0N 2R0, Canada

U-PB GEOCHRONOLOGY AND HF ISOTOPE ANALYSIS OF DETRITAL ZIRCONS FROM THE GRAVINA BELT, SOUTHEAST ALASKA
Abstract ID#: 223211

YOKELSON, Intan¹, GEHRELS, George², MCCLELLAND, William C.³, PECHA, Mark¹, WHITE, Chelsi⁴, GIESLER, Dominique¹, and WILLSON, Don⁵, (1) Department of Geosciences, University of Arizona, Tucson, AZ 85721, iny@email.arizona.edu, (2) Dept. of Geosciences, University of Arizona, 1040 E. 4th Street, Tucson, AZ 85721, (3) Department of Earth and Environmental Sciences, University of Iowa, 121 Trowbridge Hall, Iowa City, IA 52242, (4) Geosciences, University of Arizona, Tucson, AZ 85721, (5) P.O. Box 1237, Port McNeill, BC V0N 2R0, Canada

U-PB AND HF ISOTOPIC ANALYSES OF DETRITAL ZIRCONS FROM THE TAKU TERRANE, SOUTHEAST ALASKA
Abstract ID#: 223226

GIESLER, Dominique¹, GEHRELS, George², MCCLELLAND, William C.³, PECHA, Mark¹, YOKELSON, Intan¹, WHITE, Chelsi⁴, IBANEZ, Mauricio⁵, MAZDAB, F.K.⁶, and WILLSON, Don⁷, (1) Department of Geosciences, University of Arizona, Tucson, AZ 85721, giesler@email.arizona.edu, (2) Dept. of Geosciences, University of Arizona, 1040 E. 4th Street, Tucson, AZ 85721, (3) Department of Earth and Environmental Sciences, University of Iowa, 121 Trowbridge Hall, Iowa City, IA 52242, (4) Geosciences, University of Arizona, Tucson, AZ 85721, (5) Department of Geosciences, University of Arizona, 1040 E. 4th Street, Tucson, AZ 85721, (6) Tucson, AZ 85721, (7) P.O. Box 1237, Port McNeill, BC V0N 2R0, Canada

EVIDENCE FOR COLLISION OF SILETZIA IN THE CENTRAL AND NORTH CASCADES, WASHINGTON
Abstract ID#: 226942

MILLER, Robert B., Department of Geology, San José State University, One Washington Square, San Jose, CA 95192-0102, robert.b.miller@sjsu.edu and UMHOEFER, Paul J., School of Earth Sciences & Environmental Sustainability, Northern Arizona University, Geology - 4099, Building 12, Knoles Drive, Flagstaff, AZ 86011

NEOPROTEROZOIC TO CAMBRIAN PASSIVE MARGIN? EVIDENCE FOR ACTIVE TECTONISM DURING THE SAUK TRANSGRESSION IN CENTRAL IDAHO AND MONTANA
Abstract ID#: 232443

MAHONEY, J. Brian, Department. of Geology, University of Wisconsin Eau Claire, Eau Claire, WI 54702, MAHONEJ@uwec.edu, LINK, Paul K., Department of Geosciences, Idaho State University, 921 S. 8th Ave. Stop 8072, Pocatello, ID 83209, TODT, Mary K., Geosciences, Idaho State University, 921 S. 8th Ave, STOP 8072, Pocatello, ID 83209, TAYLOR, Samantha S., Department of Geology, University of Wisconsin-Eau Claire, Eau Claire, WI 54701, and BALGORD, Elizabeth, Geology, University of Arizona, 242 E 5th St, Tucson, AZ 85705

SEDIMENTARY PROVENANCE OF THE UPPER CAMBRIAN WORM CREEK QUARTZITE, IDAHO, USING U-PB AND LU-HF ISOTOPIC ANALYSIS OF ZIRCON GRAINS
Abstract ID#: 231940

TODT, Mary K., LINK, Paul K., and BEAL, Lakin K., Department of Geosciences, Idaho State University, 921 S. 8th Ave. Stop 8072, Pocatello, ID 83209, todtmary@isu.edu

EXHUMATION AND COOLING HISTORY OF THE SAWTOOTH METAMORPHIC COMPLEX, IDAHO
Abstract ID#: 222830

MA, Chong, Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, chongma@ufl.edu, FOSTER, David A., Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, DUTROW, Barbara, Department of Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803, and MUELLER, Paul A., Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611-2120

LATE CRETACEOUS THROUGH CENOZOIC CONTRACTIONAL IMBRICATION, EXTENSIONAL DETACHMENT AND STRIKE SLIP DISMEMBERMENT/ROTATION OF THE RAND THRUST COMPLEX, NORTHWESTERN MOJAVE DESERT, CALIFORNIA
Abstract ID#: 233272

NOURSE, Jonathan A.¹, SILVER, Leon T.², and MCLARTY, Andrew¹, (1) Geological Sciences Department, California State Polytechnic University, 3801 W. Temple Avenue, Pomona, CA 91768, janourse@csupomona.edu, (2) Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125

THE BARTLETT SPRINGS FAULT ZONE: MULTI-EPISODIC DEFORMATION OF AN EARLY TERTIARY DOWN-WARP, NORTHERN CALIFORNIA COAST RANGES
Abstract ID#: 227301

MCLAUGHLIN, Robert J., U. S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, rjmcl@usgs.gov and MORING, Barry C., U. S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025

EASTERN SLOPE FACIES OF THE HAVALLAH-SCHOONOVER BASIN, NEVADA: TRANSITIONAL ZONE BETWEEN THE ANTLER HIGH AND DEEP MARINE BASIN IN THE LOWER PART OF THE GOLCONDA ALLOCHTHON
Abstract ID#: 231513

MURCHEY, Benita L., U.S. Geological Survey, 345 Middlefield Rd. ms973, Menlo Park, CA 94025, bmurchey@usgs.gov and MOORE, Thomas E., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025

INTERPRETING THE SEVIER DESERT DETACHMENT AS A LOW-ANGLE NORMAL FAULT: INSIGHTS FROM NEW APATITE (U-TH)/HE DATA IN THE PAHVANT RANGE, CENTRAL UTAH
Abstract ID#: 229655

MCGLASHING, Scott D., Geoscience, University of Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada, scott.mcglashing@gmail.com, GIOVANNI, Melissa K., Department of Geoscience, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada, and STOCKLI, Daniel F., Department of Geological Sciences, University of Texas at Austin, Austin, TX 78712

190. T190. The Life and Death of Mobile Belts along the North American Cordillera: Advances in Understanding the Long- Term Construction of Continental Margins (Posters)

190.
T190. The Life and Death of Mobile Belts along the North American Cordillera: Advances in Understanding the Long- Term Construction of Continental Margins (Posters)