2007 GSA Denver Annual Meeting (28–31 October 2007)
Session No. 106 Monday, 29 October 2007
1:30 PM-3:30 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 II

Todd LaMaskin, Joshua Schwartz and Victor Camp, Presiding
 Paper #Start Time
106-11:30 PM SHRIMP U-PB CONSTRAINTS ON AGE AND PROVENANCE OF THE RIGGINS GROUP AND ASSOCIATED METAMORPHIC ROCKS WEST OF THE SALMON RIVER SUTURE, WEST-CENTRAL IDAHO: TECTONIC IMPLICATIONS: LUND, K., U.S. Geological Survey, MS 973, DFC, Denver, CO 80225, klund@usgs.gov, ALEINIKOFF, John N., U.S. Geological Survey, MS 963, DFC, Denver, CO 80225, YACOB, E.Y., EOG Resources, 420 Throckmorton, Fort Worth, TX 76102, and DEE, S.M., William Lettis and Associates, 433 Park Point Drive, Golden, CO 80401
106-21:50 PM CONTRASTING STRUCTURAL HISTORIES OF THE SALMON RIVER BELT AND THE WALLOWA TERRANE: IMPLICATIONS FOR TERRANE ACCRETION IN WEST-CENTRAL IDAHO: GRAY, Keith, Geological Sciences, University of Idaho, Moscow, ID 83844-3022, oldow@uidaho.edu and OLDOW, John S., Geological Sciences, University of Idaho, Moscow, ID 83844-3022
106-32:05 PM SOUTHWARD EXTENT OF THE WESTERN IDAHO SHEAR ZONE, OWYHEE MOUNTAINS, IDAHO: CONSTRAINING ALONG-STRIKE VARIATIONS IN TRANSPRESSIONAL SHEAR ZONES: BENFORD, Bryn, Department of Geology and Geophysics, University of Wisconsin - Madison, 1215 W. Dayton St, Madison, WI 53706, bryn@geology.wisc.edu, TIKOFF, Basil, Department of Geology and Geophysics, University of Wisconsin Madison, 1215 W. Dayton St, Madison, WI 53706, SCHMITZ, Mark, Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725, and NORTHRUP, C.J.
106-42:20 PM ROLE OF NE-STRIKING OBLIQUE DEXTRAL THRUST FAULTS IN THE DEVELOPMENT OF THE WALLOWA TERRANE IN THE NORTHERN CORDILLERA: IMPLICATIONS FOR TERRANE ACCRETION AND CLOCKWISE ROTATION: SCHMIDT, Keegan L., Division of Natural Science, Lewis - Clark State College, 500 8th Ave, Lewiston, ID 83501, klschmidt@lcsc.edu and LEWIS, Reed S., Idaho Geological Survey, University of Idaho, P.O. Box 443014, Moscow, ID 83844-3014
106-52:35 PM REGIONAL CONTEXT OF THE COLUMBIA RIVER BASALT ERUPTIONS: HUMPHREYS, Eugene D., Geological Sciences, University of Oregon, Eugene, OR 97403, genehumphreys@gmail.com
106-62:55 PM IS THE UPLIFT AND TECTONIC HISTORY OF THE BLUE MOUNTAINS, OREGON, CONSISTENT WITH A MODEL OF PLUME-INDUCED DELAMINATION?: CAMP, Victor, Department of Geological Sciences, San Diego State University, San Diego, CA 92182, vcamp@geology.sdsu.edu
106-73:10 PM THE COLUMBIA RIVER BASALT GROUP VOLCANISM IN THE BLUE MOUNTAINS A MIDDLE MIOCENE REFERENCE DATUM FOR STRUCTURAL ANALYSIS: REIDEL, Stephen P., School of Earth and Environmental Sciences, Washington State University Tri-Cities, 2710 University Drive, Richland, WA 99354, sreidel@tricity.wsu.edu and TOLAN, Terry L., GSI Water Solutions, 1020 N. Center Parkway, Kennewick, WA 99336

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