2007 GSA Denver Annual Meeting (28–31 October 2007)
Session No. 77 Monday, 29 October 2007
8:00 AM-12:00 PM, Colorado Convention Center: 403

T115. The Blue Mountains Region of Oregon, Idaho, and Washington: Recent Advances in the Mesozoic and Cenozoic History of an Enigmatic Accretionary Province I

Todd LaMaskin, Joshua Schwartz and Victor Camp, Presiding
 Paper #Start Time
 8:00 AM Introductory Remarks
77-18:15 AM PALEOMAGNETISM OF MESOZOIC-CENOZOIC ROCKS OF THE BLUE MOUNTAINS, OREGON: HOUSEN, Bernard A., Geology Department, Western Washington University, 516 High St, Bellingham, WA 98225-9080, bernieh@cc.wwu.edu
77-28:35 AM RADIOGENIC ISOTOPIC CHARACTERISTICS OF INTRUSIVE ROCKS OF THE COUGAR CREEK COMPLEX, BLUE MOUNTAINS PROVINCE, NORTHEASTERN OREGON AND WEST-CENTRAL IDAHO: IMPLICATIONS FOR THE PALEOGEOGRAPHY AND TECTONIC EVOLUTION OF THE WALLOWA TERRANE: KURZ, Gene Alan, SCHMITZ, Mark D., and NORTHRUP, Clyde J., Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725, genekurz@mail.boisestate.edu
77-38:50 AM STRUCTURAL CHARACTER OF THE WALLOWA-BAKER TERRANE BOUNDARY: IMPLICATIONS FOR THE TECTONIC EVOLUTION OF THE BLUE MOUNTAINS PROVINCE, NORTHEAST OREGON: SCHWARTZ, Joshua J. and SNOKE, Arthur W., Geology and Geophysics, Univ. of Wyoming, Dept. 3006, 1000 E. University Ave, Laramie, WY 82071, joshua.j.schwartz@gmail.com
77-49:05 AM INSIGHTS INTO THE MESOZOIC TECTONIC HISTORY OF THE BLUE MOUNTAINS PROVINCE, EASTERN OREGON, FROM INITIAL RESULTS OF DETRITAL ZIRCON DATING: LAMASKIN, Todd, Dept. of Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403, tlamaski@uoregon.edu, DORSEY, Rebecca, Geological Sciences, Univ of Oregon, 1272 University of Oregon, Eugene, OR 97403-1272, and VERVOORT, Jeffrey D., Department of Geology, Washington State University, Pullman, WA 99164
77-59:20 AM COLLISIONAL-BASIN ORIGIN FOR JURASSIC MARINE DEPOSITS IN THE BLUE MOUNTAINS PROVINCE, NORTHEASTERN OREGON: DORSEY, Rebecca J., Dept. of Geological Sciences, 1272 University of Oregon, Eugene, OR 97403-1272, rdorsey@uoregon.edu and LAMASKIN, Todd, Dept. of Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403
 9:35 AM Break
77-69:50 AM CRYSTALLOGRAPHIC FABRICS OF THE MARTIN BRIDGE LIMESTONE, WALLOWA MOUNTAINS: AN ELECTRON-BACKSCATTERED DIFFRACTION STUDY: CROWLEY, Peter D., Dept. of Geology, Amherst College, Amherst, MA 01002, pdcrowley@amherst.edu
77-710:05 AM EARLY MESOZOIC WALLOWA TERRANE, NORTHEASTERN OREGON AND ADJACENT IDAHO: STANLEY, George D. Jr, Geosciences, The University of Montana, Missoula, MT 59812, george.stanley@umontana.edu
77-810:20 AM PENNSYLVANIAN TO EARLY JURASSIC FAUNAS FROM INLIERS OF OPHIOLITIC MELANGE LINK THE BAKER AND OLDS FERRY TERRANES OF EAST-CENTRAL OREGON: BLOME, Charles D., U.S. Geological Survey, MS 980, Denver, CO 80225, cblome@usgs.gov and NESTELL, Merlynd K., Dept. of Earth and Environmental Sciences, Univ. of Texas at Arlington, Arlington, TX 76019-0049
77-910:35 AM SPATIAL AND TEMPORAL LINKS BETWEEN MINERALIZATION AND THE FORMATION, AMALGAMATION, AND DISRUPTION OF ACCRETED TERRANES IN THE BLUE MOUNTAINS OF OREGON: FERNS, M.L., Eastern Oregon Field Office, Oregon Department of Geology and Mineral Industries, 1510 Campbell St, Baker City, OR 97814, mark.ferns@dogami.state.or.us
77-1010:55 AM PETROLOGY OF THE LATE JURASSIC SUNRISE BUTTE PLUTON, EASTERN OREGON: A RECORD OF RENEWED MESOZOIC ARC ACTIVITY?: JOHNSON, Kenneth, Department of Natural Sciences, University of Houston-Downtown, 1 Main Street, Suite N813, Houston, TX 77002, johnsonk@uhd.edu, SCHWARTZ, Joshua J., Geology and Geophysics, Univ. of Wyoming, Dept. 3006, 1000 E. University Ave, Laramie, WY 82071, and WALTON, Clay, Department of Geosciences, Texas Tech University, Lubbock, TX 79409
77-1111:10 AM Paper Withdrawn
 11:25 AM Discussion

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