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Rocky Mountain (66th Annual) and Cordilleran (110th Annual) Joint Meeting (19–21 May 2014)

Session No. 7
Monday, 19 May 2014: 8:00 AM-5:00 PM
Ballroom B, C, D (Montana State University)

T8. Geology and Geophysics of the Greater Blue Mountains Province, Salmon River Suture Zone, and Western Idaho Shear Zone: Late Paleozoic through Cenozoic Evolution of a Key Location of the Cordilleran Orogen (Posters)

Authors will be present from 9 to 10:30 AM and 3:30 to 5:30 PM.

 

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GEOLOGY AND GEOPHYSICS OF THE GREATER BLUE MOUNTAINS PROVINCE, SALMON RIVER BELT, AND WESTERN IDAHO SHEAR ZONE: LATE PALEOZOIC THROUGH CENOZOIC EVOLUTION OF A KEY LOCATION OF THE CORDILLERAN OROGEN
LAMASKIN, Todd A., Department of Geography and Geology, University of North Carolina Wilmington, 601 South College Rd., Wilmington, NC 28403, SCHWARTZ, Joshua J., Department of Geological Sciences, California State University Northridge, 18111 Nordhoff Street, Northridge, CA 91330, TIKOFF, Basil, Department of Geoscience, University of Wisconsin, 1215 W Dayton St, Madison, WI 53706 and LEWIS, Reed S., Idaho Geological Survey, University of Idaho, 875 Perimeter Drive MS3014, Moscow, ID 83844-3014, lamaskint@uncw.edu, lamaskint@uncw.edu
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TONALITIC MAGMATISM, EXHUMATION, AND ROTATION ALONG THE BAKER-OLDS FERRY TERRANE BOUNDARY, BLUE MOUNTAINS, EASTERN OREGON
MACHO, Alexandra S.1, GASCHNIG, Richard M.2, KELSO, Paul3, ALBEE, Ryan D.3, FAYON, Annia4, VERVOORT, Jeff5, SCHMITZ, Mark6 and TIKOFF, Basil7, (1)Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53715, (2)Department of Geology, University of Maryland, College Park, MD 20742, (3)Department of Geology and Physics, Lake Superior State University, 650 W. Easterday Ave, Sault Ste. Marie, MI 49783, (4)Department of Earth Sciences, University of Minnesota, Minneapolis, MN 55455, (5)School of the Environment, Washington State University, Pullman, WA 99164, (6)Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725, (7)Department of Geoscience, University of Wisconsin, 1215 W Dayton St, Madison, WI 53706, allie.macho@gmail.com, allie.macho@gmail.com
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ORDOVICIAN MAGMATISM AND ORPHANED MESOZOIC ACCRETED CRUST? STRANGE BEDFELLOWS ALONG THE SALMON RIVER WEST OF SHOUP, IDAHO
GASCHNIG, Richard M., Department of Geology, University of Maryland, College Park, MD 20742, LEWIS, Reed S., Idaho Geological Survey, University of Idaho, 875 Perimeter Drive MS3014, Moscow, ID 83844-3014, BURMESTER, Russ, Geology, Western Washington University, 516 High St, Bellingham, WA 98225-9080, MCFADDAN, Mark D., North Idaho College, 1000 W. Garden Ave, Coeur d'Alene, ID 83814 and VERVOORT, Jeffrey D., School of the Environment, Washington State University, Pullman, WA 99164, gaschnig@umd.edu, gaschnig@umd.edu
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THE GRANGEVILLE, IDAHO 30' X 60' QUADRANGLE: NEW INSIGHTS ACROSS THE ARC-CONTINENT BOUNDARY IN THE CENTRAL NORTH AMERICAN CORDILLERA
SCHMIDT, Keegan L., Division of Natural Science, Lewis - Clark State College, Lewiston, ID 83501, LEWIS, Reed S., Idaho Geological Survey, University of Idaho, 875 Perimeter Drive MS3014, Moscow, ID 83844-3014 and STEWART, David E., Huehuetenango Tech, Todos Santos, 13015, Guatemala, klschmidt@lcsc.edu, klschmidt@lcsc.edu
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RECONNAISSANCE PALEOMAGNETIC INVESTIGATION OF WALLOWA TERRANE VOLCANICS NEAR WHITE BIRD, IDAHO, SUGGEST 16-30 DEGREES NET CLOCKWISE ROTATION AFTER 200 MA
BURMESTER, Russ, Geology, Western Washington University, 516 High St, Bellingham, WA 98225-9080, SCHMIDT, Keegan L., Division of Natural Science, Lewis - Clark State College, Lewiston, ID 83501 and LEWIS, Reed S., Idaho Geological Survey, University of Idaho, 875 Perimeter Drive MS3014, Moscow, ID 83844-3014, russb@wwu.edu, russb@wwu.edu
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CONSTRUCTION OF PHANEROZOIC CONTINENTAL CRUST IN THE BLUE MOUNTAINS PROVINCE BY TECTONIC ASSEMBLY AND MAGMATIC ADDITION
SCHWARTZ, Joshua J., Department of Geological Sciences, California State University Northridge, 18111 Nordhoff Street, Northridge, CA 91330 and JOHNSON, Kenneth, Department of Natural Sciences, University of Houston-Downtown, 1 Main Street, Suite N813, Houston, TX 77002, joshua.schwartz@csun.edu, joshua.schwartz@csun.edu
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CLINOPYROXENE TRACE ELEMENT CHEMISTRY OF GABBROIC ROCKS FROM THE BLUE MOUNTAINS PROVINCE:  IMPLICATIONS FOR CRUSTAL THICKNESS
JOHNSON, Kenneth, Department of Natural Sciences, University of Houston-Downtown, 1 Main Street, Suite N813, Houston, TX 77002 and SCHWARTZ, Joshua J., Department of Geological Sciences, California State University Northridge, 18111 Nordhoff Street, Northridge, CA 91330, johnsonk@uhd.edu, johnsonk@uhd.edu
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THE POTENTIAL ROLE OF EPIDOSITE IN WATER-SATURATED PARTIAL MELTING OF MAFIC AMPHIBOLITES:  AN EXAMPLE FROM POLLOCK MOUNTAIN, WESTERN IDAHO
RICHTER, Mariel E. and JOHNSON, Kenneth, Department of Natural Sciences, University of Houston-Downtown, 1 Main Street, Suite N813, Houston, TX 77002, marielrichter@yahoo.com, marielrichter@yahoo.com
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GRAVITY MEASUREMENTS ALONG THE IDOR SEISMIC TRANSECT
LANE, Joseph1, TIKOFF, Basil2, DAVENPORT, Kathy K.3, HOLE, John A.4, WALKER, Matt2, LARSEN, Erica2, KAHN, Maureen J.5, MONTZ, William J.6 and CAREY, Austin2, (1)Geoscience, Univeristy of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53706, (2)Department of Geoscience, University of Wisconsin, 1215 W Dayton St, Madison, WI 53706, (3)Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, (4)Geosciences, Virginia Tech, Blacksburg, VA 24061, (5)Geology, Carleton College, 300 North College St, Northfield, MN 55057, (6)Earth and Environmental Sciences, Boston College, Devlin Hall 213, 140 Commonwealth Avenue, Chestnut Hill, MA 03467, lanej28@gmail.com, lanej28@gmail.com
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EXHUMATION OF CRETACEOUS ROCKS AFFECTED BY THE WESTERN IDAHO SHEAR ZONE, OWYHEE MOUNTAINS, IDAHO
FAYON, Annia K., Department of Earth Sciences, University of Minnesota, Minneapolis, MN 55455, BENFORD, Bryn A., Geology Department, Lone Star College - Tomball, 30555 Tomball Parkway, Tomball, TX 77375-4036, GIORGIS, Scott D., Dept of Geological Sciences, State University of New York at Geneseo, 1 College Circle, Geneseo, NY 14454 and TIKOFF, Basil, Department of Geoscience, University of Wisconsin, 1215 W Dayton St, Madison, WI 53706, fayon001@umn.edu, fayon001@umn.edu
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CONSTRAINING EXHUMATION OF THE SAWTOOTH AND WHITE CLOUD MOUNTAINS BY (U-TH)/HE ZIRCON THERMOCHRONOLOGY
KAHN, Maureen J., Department of Geology, Carleton College, 300 North College St, Northfield, MN 55057, FAYON, Annia K., Department of Earth Sciences, University of Minnesota, Minneapolis, MN 55455, TIKOFF, Basil, Department of Geoscience, University of Wisconsin, 1215 W Dayton St, Madison, WI 53706 and BYERLY, Ad, Department of Geoscience, University of Wisconsin-Madison, Weeks Hall, 1215 West Dayton Street, Madison, WI 53715, kahnm@carleton.edu, kahnm@carleton.edu
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STRUCTURAL ANALYSIS OF THE POTTERS POND MIGMATITE DOMAIN, WESTERN IDAHO SHEAR ZONE: RELATIONSHIPS BETWEEN PARTIAL MELTING, DEFORMATION, AND EXHUMATION DURING TRANSPRESSION
MONTZ, William J., Earth and Environmental Sciences, Boston College, Devlin Hall 213, 140 Commonwealth Avenue, Chestnut Hill, MA 02467, KRUCKENBERG, Seth C., Earth and Environmental Sciences, Boston College, Devlin Hall 213, 140 Commonwealth Ave, Chestnut Hill, MA 02467 and TIKOFF, Basil, Department of Geoscience, University of Wisconsin, 1215 W Dayton St, Madison, WI 53706, montzw@bc.edu, montzw@bc.edu
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LOCATING THE CARNIAN–NORIAN BOUNDARY IN THE MARTIN BRIDGE LIMESTONE, BLUE MOUNTAINS PROVINCE, OREGON: INITIAL RESULTS OF CONODONT BIOCHRONOLOGY AND STABLE ISOTOPE GEOCHEMISTRY
ALBRITTON, Casey K., Geography and Geology, University of North Carolina Wilmington, Wilmington, NC 28403, LAMASKIN, Todd A., Department of Geography and Geology, University of North Carolina Wilmington, 601 South College Rd., Wilmington, NC 28403, LANE, Chad, Geography and Geology, University of North Carolina Wilmington, 601 S. College Rd, Wilmington, NC 28403, ORCHARD, Michael J., Geological Survey of Canada, 605 Robson Street, Vancouver, BC V6B 5J3, Canada and MCROBERTS, Christopher, Geology Department, SUNY Cortland, PO Box 2000, Cortland, NY 13045, cka5317@uncw.edu, cka5317@uncw.edu
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PROGRESS REPORT ON GEOLOGIC MAPPING OF TRIASSIC–JURASSIC VOLCANIC AND SEDIMENTARY ROCKS AT PITTSBURG LANDING, IDAHO: A TALE OF TWO PLATES
MOORE, Nicholas O., Geography and Geology, University of North Carolina Wilmington, 601 S. College Road, Wilmington, NC 28403, LAMASKIN, Todd A., Department of Geography and Geology, University of North Carolina Wilmington, 601 South College Rd., Wilmington, NC 28403 and POULTON, Terry, Geological Survey of Canada, 33033 33 Street NW, Calgary, AB T2K 5L6, Canada, nom2943@uncw.edu, nom2943@uncw.edu
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SEDIMENTARY PROVENANCE OF AN EVOLVING FOREARC REGION: LATE TRIASSIC HURWAL FM., EXCELSIOR GULCH UNIT, SOUTHERN WALLOWA MOUNTAINS, NORTHEASTERN OREGON
MASSOLL, Wesley Gareth, Geography and Geology, University of North Carolina Wilmington, 601 S. College Rd, Wilmington, NC 28403 and LAMASKIN, Todd A., Department of Geography and Geology, University of North Carolina Wilmington, 601 South College Rd., Wilmington, NC 28403, wgm7062@uncw.edu, wgm7062@uncw.edu
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