2005 Salt Lake City Annual Meeting (October 16–19, 2005)

Session No. 31
Sunday, 16 October 2005: 8:00 AM-12:00 PM

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

Authors will be present from .

 

Paper #
Booth #
1
92
PROGRESS IN CHARACTERIZING ACTIVE FAULTS OF THE NORTHERN FLANK OF THE ALASKA RANGE
BEMIS, Sean P., Earth & Environmental Sciences, University of Kentucky, Lexington, KY 40506, WELDON, Ray J., Department of Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403 and BURNS, Patty, Division of Geological and Geophysical Surveys, Alaska Department of Natural Resources, 3354 College Rd, Fairbanks, AK 99709, sean.bemis@uky.edu, sean.bemis@uky.edu
2
93
TECTONICS 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, (2)Geophysical Institute, University of Alaska, Fairbanks, AK 99775, (3)Institute of Geological and Nuclear Science, Dunedin, New Zealand, mfisher@usgs.gov, mfisher@usgs.gov
3
94
WHAT MADE DENALI SO TALL? STRUCTURAL GEOLOGY OF THE HIGH PEAKS OF THE ALASKA RANGE
HAEUSSLER, Peter J., U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508, pheuslr@usgs.gov, pheuslr@usgs.gov
4
95
ESCAPE 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, 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, tim.redfield@ngu.no, tim.redfield@ngu.no
5
96
THE 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 and SPOTILA, James A., Geological Sciences, Virginia Polytechnic Institute and State Univ, 4064 Derring Hall, Blacksburg, VA 24061, rmcaleer@vt.edu, rmcaleer@vt.edu
6
97
CONSTRUCTIONAL 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, (2)Natural Resources Canada, Geol Survey of Canada (Calgary), 3303-33rd Street NW, Calgary, AB T2L 2A7, Canada, rnhaspel@ucalgary.ca, rnhaspel@ucalgary.ca
7
98
CENOZOIC 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, 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, joneill@usgs.gov, joneill@usgs.gov
8
99
FRACTURE 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, (2)Apatite to Zircon, Inc, 1075 Matson Road, Viola, ID 83872-9705, (3)Petro-Fluid Solutions, 236 Shady Lane, Lexington, KY 40511, ftaml@uaf.edu, ftaml@uaf.edu
9
100
MIOCENE 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.2, SNYDER, Darin C.3 and HART, William K.3, (1)Dept. of Geology, Bucknell University, Lewisburg, PA 17837, (2)Dept. of Geology, Bucknell University, 701 Moore Avenue, Lewisburg, PA 17837, (3)Dept. of Geology, Miami University, Oxford, OH 45056, mdelaney@bucknell.edu, mdelaney@bucknell.edu
10
101
POST-COLLISIONAL SLAB-WINDOW VOLCANISM ACROSS AN ACCRETED TERRANE ASSEMBLAGE IN SOUTH-CENTRAL ALASKA
COLE, Ronald B., Dept. of Geology, Allegheny College, Meadville, PA 16335 and STEWART, Brian W., Department of Geology & Planetary Science, University of Pittsburgh, Room 200 SRCC, 4107 O'Hara Street, Pittsburgh, PA 15260-3303, rcole@allegheny.edu, rcole@allegheny.edu
11
102
THE 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, (2)USGS, Anchorage, AK 99508, (3)University of Southern California, Los Angeles, 90089, (4)USGS, Reston, VA 20192, rayuso@usgs.gov, rayuso@usgs.gov
12
103
THE 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, HAEUSSLER, Peter J., U.S. Geological Survey, 4210 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, dfarris@earth.usc.edu, dfarris@earth.usc.edu
13
104
MESOZOIC-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, (2)Dept. of Geology, Bucknell University, 701 Moore Avenue, Lewisburg, PA 17837, (3)Geology Department, University of California, Davis, One Shields Avenue, Davis, CA 95616, ridge@purdue.edu, ridge@purdue.edu
14
105
LATEST CRETACEOUS SEDIMENTARY RECORD OF FOREARC-ARC-RETROARC RELATIONSHIPS IN SOUTH-CENTRAL ALASKA
TROP, Jeffrey M., Dept. of Geology, Bucknell University, 701 Moore Avenue, Lewisburg, PA 17837, 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, jtrop@bucknell.edu, jtrop@bucknell.edu
15
106
DETRITAL 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, 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, bhampton@purdue.edu, bhampton@purdue.edu
16
107
ISOTOPIC 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, snyderdc@muohio.edu
17
108
NEW 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.3, HART, William K.2 and LAYER, Paul W.4, (1)Dept. of Geology, Bucknell University, Lewisburg, PA 17837, (2)Dept. of Geology, Miami University, Oxford, OH 45056, (3)Dept. of Geology, Bucknell University, 701 Moore Avenue, Lewisburg, PA 17837, (4)Department of Geology and Geophysics, Univ of Alaska, P.O. Box 755780, Fairbanks, AK 99707, eshort@bucknell.edu, eshort@bucknell.edu
18
109
RESOLVING 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 and CRAWFORD, Maria Luisa, Geology Department, Bryn Mawr College, Bryn Mawr, PA 19010, lindlinej@nmhu.edu, lindlinej@nmhu.edu
19
110
AGE 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, BRADLEY, Dwight, USGS, 4200 University Dr, Anchorage, AK 99508, BUNDTZEN, Thomas K., Pacific Rim Geological Consulting, Inc, P.O. Box 81906, 4868 Old Airport Road, Fairbanks, AK 99708, BLODGETT, Robert B., Consultant, 2821 Kingfisher Drive, Anchorage, AK 99502, 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, mlmiller@usgs.gov, mlmiller@usgs.gov
20
111
DETRITAL 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 and NORMAN, Marc, Research School of Earth Sciences, Autralian National University, Canberra, ACT 0200, Australia, nvw@sisyphus-consulting.com, nvw@sisyphus-consulting.com
21
112
GROWTH 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, (2)Lamont Doherty Earth Observatory, Columbia University, Palisades, NY 10964, (3)Department of Geology and Geophysics, Woods Hole Oceanographic Institute, Woods Hole, MA 02543, mrioux@umail.ucsb.edu, mrioux@umail.ucsb.edu
22
113
UPPER 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, FRYDA, Jiri, Czech Geol. Survey, Klarov 3/131, 118 21 Praha 1, Czech Republic and STANLEY Jr, George D., Dept. Geology, Univ. Montana, Missoula, MT 59812, rblodgett@usgs.gov, rblodgett@usgs.gov
23
114
VOLCANIC 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, CLIFT, Peter D., Department of Geology and Geophysics, Louisiana State University, E235 Howe-Russell-Kniffen Geoscience Complex, Baton Rouge, LA 70803, 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, adraut@usgs.gov, adraut@usgs.gov
24
115
THE BLACK MOUNTAIN TECTONIC ZONE—A LONG-LIVED LITHOSPHERIC SHEAR ZONE IN THE YUKON-TANANA UPLAND OF EAST-CENTRAL ALASKA
O'NEILL, J. Michael, USGS, Denver Federal Center, MS 964, Denver, CO 80225, 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, jmoneill@usgs.gov, jmoneill@usgs.gov
25
116
GRAVITY 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, saltus@usgs.gov
26
117
ISOTOPIC 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, STAIR, Kelley N., Geosciences, University of Arizona, Tucson, AZ 85721 and DUCEA, Mihai, Geosciences, Univ of Arizona, Tucson, AZ 85721, pwetmore@geo.arizona.edu, pwetmore@geo.arizona.edu
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118
RECORD 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, (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, reedsr@uwec.edu, reedsr@uwec.edu
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