2005 Salt Lake City Annual Meeting (October 16–19, 2005)
Session No. 31 Sunday, 16 October 2005
8:00 AM-12:00 PM, Salt Palace Convention Center: Hall C

T134. Mesozoic and Cenozoic Crustal Evolution of Alaska and Western Canada (Posters)

 Paper #Booth #
31-192PROGRESS IN CHARACTERIZING ACTIVE FAULTS OF THE NORTHERN FLANK OF THE ALASKA RANGE: BEMIS, Sean P.1, WELDON, Ray J.1, and BURNS, Patty2, (1) Department of Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403, sbemis@uoregon.edu, (2) Division of Geological and Geophysical Surveys, Alaska Department of Natural Resources, 3354 College Rd, Fairbanks, AK 99709
31-293TECTONICS AND SEISMICITY OF THE ALASKAN CONTINENTAL MARGIN NEAR THE COLLISION ZONE OF THE YAKUTAT TERRANE AND THE EPICENTER OF THE 1964 GREAT ALASKA EARTHQUAKE: FISHER, Michael A.1, RUPPERT, Natalia A.2, DONNA, Eberhard Phillips3, BROCHER, Thomas M.1, WELLS, Ray E.1, BLAKELY, Richard J.1, and SLITER, Ray W.1, (1) U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, mfisher@usgs.gov, (2) Geophysical Institute, University of Alaska, Fairbanks, AK 99775, (3) Institute of Geological and Nuclear Science, Dunedin, New Zealand
31-394WHAT MADE DENALI SO TALL? STRUCTURAL GEOLOGY OF THE HIGH PEAKS OF THE ALASKA RANGE: HAEUSSLER, Peter J., U.S. Geological Survey, 4200 University Dr, Anchorage, AK 99508, pheuslr@usgs.gov
31-495ESCAPE TECTONICS AND PLATE KINEMATICS IN THE SOUTH CENTRAL ALASKAN OROCLINE: REDFIELD, T.F., Geodynamics, Royal Geological Survey of the Kingdom of Norway, Leiv Eirikssons vei 39, Trondheim, 7491, Norway, tim.redfield@ngu.no, SCHOLL, David W., Department of Geophysics, Stanford University, Stanford, CA 94035, BECK, M.E., Geology Dept, Western Washington University, Bellingham, WA 98225-9080, and FITZGERALD, P.G., Department of Earth Sciences, Syracuse University, 204 Heroy Geology Laboratory, Syracuse, 13244-1070
31-596THE LATE CENOZOIC EXHUMATION PATTERN IN A TRANSPRESSIONAL SETTING: FAIRWEATHER RANGE, ALASKA: MCALEER, Ryan J., Geosciences, Virginia Polytechnic Institute and State University, 4064 Derring Hall, Blacksburg, VA 24061, rmcaleer@vt.edu and SPOTILA, James A., Geological Sciences, Virginia Polytechnic Institute and State Univ, 4064 Derring Hall, Blacksburg, VA 24061
31-697CONSTRUCTIONAL VS. DESTRUCTIONAL PROCESSES IN A COLLISIONAL OROGEN: THE CASE OF THE CANADIAN ROCKIES: OSBORN, Gerald1, HASPEL, Rebecca1, and STOCKMAL, Glen S.2, (1) Geology and Geophysics, Univ of Calgary, Calgary, AB T2N 1N4, rnhaspel@ucalgary.ca, (2) Natural Resources Canada, Geol Survey of Canada (Calgary), 3303-33rd Street NW, Calgary, AB T2L 2A7, Canada
31-798CENOZOIC INTRAPLATE TECTONICS--LITHOSPHERIC RIGHT-LATERAL BULK SHEAR DEFORMATION IN THE NORTHERN TALKEETNA MOUNTAINS, SOUTH-CENTRAL ALASKA: O'NEILL, J. Michael, U.S. Geol Survey, Mail Stop 964, Denver Federal Center, Denver, CO 80225, joneill@usgs.gov, SCHMIDT, Jeanine M., U.S. Geol Survey, 4200 University Drive, Anchorage, AK 99508, and COLE, Ronald B., Dept. of Geology, Allegheny College, Meadville, PA 16335
31-899FRACTURE EVOLUTION IN A FOLD-AND-THRUST BELT AND THE ASSOCIATED DEFORMED FORELAND BASIN: AN EXAMPLE FROM THE NORTHEASTERN BROOKS RANGE AND COLVILLE BASIN, ALASKA: STRAUCH, Andrea L.1, HANKS, Catherine L.1, WALLACE, Wesley K.1, O'SULLIVAN, Paul B.2, and PARRIS, Thomas M.3, (1) Department of Geology & Geophysics, University of Alaska-Fairbanks, 900 Yukon Drive, Fairbanks, AK 99775, ftaml@uaf.edu, (2) Apatite to Zircon, Inc, 1075 Matson Road, Viola, ID 83872-9705, (3) Petro-Fluid Solutions, 236 Shady Lane, Lexington, KY 40511
31-9100MIOCENE INTRA-ARC SEDIMENTARY BASIN DEVELOPMENT WITHIN THE WRANGELL VOLCANIC FIELD, FREDERIKA FORMATION, WRANGELL MOUNTAINS, ALASKA: TIDMORE, Robert S.1, DELANEY, M. Ryan1, TROP, Jeffrey M.1, SNYDER, Darin C.2, and HART, William K.2, (1) Dept. of Geology, Bucknell University, Lewisburg, PA 17837, mdelaney@bucknell.edu, (2) Dept. of Geology, Miami University, Oxford, OH 45056
31-10101POST-COLLISIONAL SLAB-WINDOW VOLCANISM ACROSS AN ACCRETED TERRANE ASSEMBLAGE IN SOUTH-CENTRAL ALASKA: COLE, Ronald B., Dept. of Geology, Allegheny College, Meadville, PA 16335, rcole@allegheny.edu and STEWART, Brian W., Department of Geology & Planetary Science, University of Pittsburgh, Room 200 SRCC, 4107 O'Hara Street, Pittsburgh, PA 15260-3303
31-11102THE EFFECTS OF RIDGE SUBDUCTION ON CHEMICAL AND ISOTOPIC ZONING OF THE KODIAK BATHOLITH, SOUTHERN ALASKA: AYUSO, Robert A.1, HAEUSSLER, Peter J.2, BRADLEY, Dwight C.2, FARRIS, David W.3, and COLVIN, Anna S.4, (1) 954 National Center, U.S. Geological Survey, Reston, VA 20192, rayuso@usgs.gov, (2) USGS, Anchorage, AK 99508, (3) University of Southern California, Los Angeles, 90089, (4) USGS, Reston, VA 20192
31-12103THE KODIAK BATHOLITH AND THE TRENCHWARD GHOST ROCKS FM. MAGMATIC BELT, KODIAK ISLAND, AK: TECTONIC JUXTAPOSITION OR TWO DISCRETE EVENTS?: FARRIS, David W., Dept. of Earth Sciences, Univ of Southern California, 3651 Trousdale Ave, Los Angeles, CA 90089-0740, dfarris@earth.usc.edu, HAEUSSLER, Peter J., U.S. Geological Survey, 4200 University Dr, Anchorage, AK 99508, and ULLRICH, Thomas, Dept. Earth & Ocean Sciences, University of British Columbia, Pacific Centre for Isotopic and Geochemical Research, 6339 Stores Road, Vancouver, BC V6T 1Z4, Canada
31-13104MESOZOIC-CENOZOIC SEDIMENTARY RECORD OF ARC ACCRETION TO THE CONTINENTAL MARGIN OF SOUTH-CENTRAL ALASKA: RIDGWAY, Kenneth D.1, TROP, Jeffrey M.2, HAMPTON, Brian A.3, and KALBAS, James L.1, (1) Dept. Earth and Atmospheric Sciences, Purdue University, West Lafayette, IN 47907, ridge@purdue.edu, (2) Dept. of Geology, Bucknell University, Lewisburg, PA 17837, (3) Geology Department, University of California, Davis, One Shields Avenue, Davis, CA 95616
31-14105LATEST CRETACEOUS SEDIMENTARY RECORD OF FOREARC-ARC-RETROARC RELATIONSHIPS IN SOUTH-CENTRAL ALASKA: TROP, Jeffrey M., Dept. of Geology, Bucknell University, Lewisburg, PA 17837, jtrop@bucknell.edu, HAMPTON, Brian A., Geology Department, University of California, Davis, One Shields Avenue, Davis, CA 95616, RIDGWAY, Kenneth D., Dept. Earth and Atmospheric Sciences, Purdue University, West Lafayette, IN 47907, and GEHRELS, George, Department of Geosciences, University of Arizona, Gould-Simpson Building #77, Tucson, AZ 85721
31-15106DETRITAL ZIRCON RECORD OF THE CONFIGURATION AND EVOLUTION OF THE ALASKA RANGE SUTURE ZONE, SOUTH-CENTRAL ALASKA: HAMPTON, Brian A., Geology Department, University of California, Davis, One Shields Avenue, Davis, CA 95616, bhampton@purdue.edu, RIDGWAY, Kenneth D., Dept. Earth and Atmospheric Sciences, Purdue University, West Lafayette, IN 47907, and GEHRELS, George E., Department of Geosciences, University of Arizona, Tucson, AZ 85721
31-16107ISOTOPIC CONSTRAINTS ON SOURCE RESERVOIRS FOR CRETACEOUS MAGMATISM WITHIN THE WRANGELLIA TERRANE: SNYDER, Darin C. and HART, William K., Dept. of Geology, Miami University, Oxford, OH 45056, snyderdc@muohio.edu
31-17108NEW FINDINGS ON EARLY CRETACEOUS VOLCANISM WITHIN THE ALLOCHTHONOUS WRANGELLIA TERRANE, SOUTH-CENTRAL ALASKA: STRATIGRAPHIC, GEOCHRONOLOGIC, AND GEOCHEMICAL DATA FROM THE CHISANA FORMATION, NUTZOTIN MOUNTAINS: SHORT, Emily J.1, SNYDER, Darin C.2, TROP, Jeffrey M.1, HART, William K.2, and LAYER, Paul W.3, (1) Dept. of Geology, Bucknell University, Lewisburg, PA 17837, eshort@bucknell.edu, (2) Dept. of Geology, Miami University, Oxford, OH 45056, (3) Department of Geology and Geophysics, Univ of Alaska, P.O. Box 755780, Fairbanks, AK 99707
31-18109RESOLVING MECHANISMS OF MID-CRETACEOUS OROGENY AROUND CENTRAL ADMIRALTY-REVILLAGIGEDO BELT GRANITOIDS, WRANGELL, ALASKA: LINDLINE, Jennifer, Environmental Geology Program, New Mexico Highlands Univ, Las Vegas, NM 87701, lindlinej@nmhu.edu and CRAWFORD, Maria Luisa, Geology Department, Bryn Mawr College, Bryn Mawr, PA 19010
31-19110AGE AND PROVENANCE OF THE RESTRICTED GEMUK GROUP (TRIASSIC TO LOWER CRETACEOUS), SOUTHWEST ALASKA: MILLER, Marti L., Alaska Science Center, U.S. Geological Survey, 4200 University Drive, Anchorage, AK 99508-4667, mlmiller@usgs.gov, BRADLEY, Dwight, USGS, Anchorage, AK 99508, BUNDTZEN, Thomas K., Pacific Rim Geological Consulting, Inc, P.O. Box 81906, 4868 Old Airport Road, Fairbanks, AK 99708, BLODGETT, Robert, 629 O Street, Apt. 203, Anchorage, AK 99501, PESSAGNO, Emile A., Dept. of Geosciences, The University of Texas at Dallas, P.O. Box 830688, Richardson, TX 75380-0688, TUCKER, Robert, Earth & Planetary Sciences, Washington Univ, 1 Brookings Drive, Campus Box 1169, St. Louis, MO 63130-4899, and HARRIS, Anita G., U.S. Geological Survey, Box 25046, Denver, CO 80225
31-20111DETRITAL ZIRCON DATES AS A CONSTRAINT ON THE AGE OF METASEDIMENTARY ROCKS IN THE HATCHERS PASS AREA, SOUTH-CENTRAL ALASKA: VAN WYCK, Nicholas, Sisyphus Consulting, 3705 Arctic Blvd. #1150, Anchorage, AK 99503, nvw@sisyphus-consulting.com and NORMAN, Marc, Research School of Earth Sciences, Autralian National University, Canberra, ACT 0200, Australia
31-21112GROWTH AND EVOLUTION OF THE PENINSULAR TERRANE, SOUTHERN ALASKA: RIOUX, Matthew1, MATTINSON, James1, HACKER, Bradley1, KELEMEN, Peter2, and BLUSZTAJN, Jurek3, (1) Geological Sciences, Univ of California, Santa Barbara, CA 93106, mrioux@umail.ucsb.edu, (2) Lamont Doherty Earth Observatory, Columbia University, Palisades, NY 10964, (3) Department of Geology and Geophysics, Woods Hole Oceanographic Institute, Woods Hole, MA 02543
31-22113UPPER TRIASSIC GASTROPOD FAUNA FROM SOUTHERN ALASKA AND ITS IMPLICATIONS FOR TERRANE ACCRETION: BLODGETT, Robert B., U.S. Geol. Survey, 4200 University Drive, Anchorage, AK 99508, rblodgett@usgs.gov, FRYDA, Jiri, Czech Geol. Survey, Klarov 3/131, 118 21 Praha 1, Czech Republic, and STANLEY, George D. Jr, Dept. Geology, Univ. Montana, Missoula, MT 59812
31-23114VOLCANIC AND VOLCANICLASTIC RECORDS OF ACTIVE MARGIN EVOLUTION IN THE TALKEETNA ARC, SOUTH CENTRAL ALASKA: DRAUT, Amy, USGS Pacific Sciences Center, University of California, Santa Cruz / US Geological Survey, 400 Natural Bridges Drive, Santa Cruz, CA 95060, adraut@usgs.gov, CLIFT, Peter, School of Geosciences, University of Aberdeen, Aberdeen, AB24 3UE, United Kingdom, RIOUX, Matthew, Geological Sciences, Univ of California, Santa Barbara, CA 93106, PAVLIS, Terry, Dept. of Geology and Geophysics, Univ of New Orleans, New Orleans, LA 70148, KELEMEN, Peter, Lamont Doherty Earth Observatory, Columbia University, Palisades, NY 10964, and DEBARI, Susan, Geology Department, Western Washington University, Bellingham, WA 98225
31-24115THE BLACK MOUNTAIN TECTONIC ZONE—A LONG-LIVED LITHOSPHERIC SHEAR ZONE IN THE YUKON-TANANA UPLAND OF EAST-CENTRAL ALASKA: O'NEILL, J. Michael, U.S. Geol Survey, Mail Stop 964, Denver Federal Center, Denver, CO 80225, jmoneill@usgs.gov, DAY, Warren C., U.S.G.S, MS 964, Denver Federal Center, Denver, CO 80225-0046, ALEINIKOFF, John N., U.S. Geological Survey, Mail Stop 964, Denver Federal Center, Denver, CO 80225, and SALTUS, RW., U.S. Geol Survey, Mail Stop 964 - Box 25046, Denver Federal Center, Denver, CO 80225-0046
31-25116GRAVITY AND AEROMAGNETIC GRADIENTS WITHIN THE YUKON-TANANA UPLAND, BIG DELTA QUADRANGLE, EAST-CENTRAL ALASKA: SALTUS, RW., U.S. Geol Survey, Mail Stop 964 - Box 25046, Denver Federal Center, Denver, CO 80225-0046, saltus@usgs.gov
31-26117ISOTOPIC EVIDENCE OF A NEAR SURFACE HISTORY FOR THE SOURCE ROCKS OF THE CENTRAL COAST PLUTONIC COMPLEX, BRITISH COLUMBIA, CANADA: WETMORE, Paul H., Geosciences, Univ of Arizona, 1040 E. Fourth st, Gould-Simpson Bldg, Tucson, AZ 85721, pwetmore@geo.arizona.edu, STAIR, Kelley N., Geosciences, University of Arizona, Tucson, AZ 85721, and DUCEA, Mihai, Geosciences, Univ of Arizona, Tucson, AZ 85721
31-27118RECORD FOR MESOZOIC OROGENY AND BACK-ARC BASIN FORMATION AND MAGMATISM IN WESTERN STIKINIA; EVIDENCE FROM STRATA AT JOHN PEAKS, EASTERN ISKUT RIVER AREA, NORTHWESTERN B.C: REED, Suzanne R.1, KJOS, Adam R.1, SNYDER, Lori D.1, ANDERSON, Robert G.2, MAHONEY, J. Brian1, MCNICOLL, Vicki J.3, and SIMPSON, Kirstie2, (1) Department of Geology, University of Wisconsin-Eau Claire, Eau Claire, WI 54702, reedsr@uwec.edu, (2) Geological Survey of Canada, NRCan, 101 - 605 Robson Street, Vancouver, BC V6B 5J3, (3) Geol Survey of Canada, 601 Booth Street, Otawa, ON K1A 0E8

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