2004 Denver Annual Meeting (November 7–10, 2004)
Session No. 43 Sunday, November 7, 2004
1:30 PM-5:30 PM, Colorado Convention Center: 104/106

T84. Terrane Translation, Orogenesis, and Plate Interactions in the Late Mesozoic to Early Cenozoic North American Cordillera, and Implications for Paleogeographic Reconstructions

Paul Umhoefer, Sandra Wyld and James E. Wright, Presiding
 Paper #Start Time
43-11:30 PM TESTING ALTERNATIVE MODELS FOR THE LATE MESOZOIC PALEOGEOGRAPHY OF THE CORDILLERA: COWAN, Darrel S., Earth & Space Sciences, Univ of Washington, Box 351310, Seattle, WA 98195, darrel@u.washington.edu and UMHOEFER, Paul, Geology, Northern Arizona Univ, Box 4099, Flagstaff, AZ 86011
43-21:50 PM RECONSTRUCTING NORTHERN CORDILLERAN TERRANES ALONG KNOWN CRETACEOUS AND CENOZOIC STRIKE-SLIP FAULTS: IMPLICATIONS FOR THE BAJA BC HYPOTHESIS AND OTHER MODELS: WYLD, Sandra1, UMHOEFER, Paul J.2, and WRIGHT, James E.1, (1) Geology, Univ of Georgia, Athens, GA 30602, swyld@gly.uga.edu, (2) Department of Geology, Northern Arizona Univ, Box 4099, Flagstaff, AZ 86011
43-32:10 PM TOWARD A RESOLUTION OF THE BAJA BRITISH COLUMBIA (BAJA BC) DEBATE BY EMPHASIZING PLATE-SCALE RELATIONS AND THE TIMING OF TRANSLATION: UMHOEFER, Paul J., Department of Geology, Northern Arizona Univ, Box 4099, Flagstaff, AZ 86011, paul.umhoefer@nau.edu.
43-42:30 PM THE SOUTHERN SIERRA-SALINIA SUPRASUBDUCTION ZONE METAMORPHIC CORE COMPLEX, CALIFORNIA: SALEEBY, Jason, California Institute Technology, Pasadena, CA 91125-0001, Jason@gps.caltech.edu and DUCEA, Mihai, Geosciences, Univ of Arizona, 1040 E Fourth Street, Tucson, AZ 85721
43-52:50 PM REMOVAL OF MANTLE LITHOSPHERE, SYNCONVERGENT EXTENSION AND CRUSTAL ANATEXIS IN THE LATE CRETACEOUS CORDILLERAN INTERIOR: WELLS, Michael L.1, HOISCH, Thomas D.2, KULA, Joseph L.1, and BURGETT, Darren1, (1) Department of Geoscience, Univ of Nevada Las Vegas, Las Vegas, NV 89154-4010, mlwells@unlv.nevada.edu, (2) Geology, Northern Arizona Univ, Box 4099, Flagstaff, AZ 86011
43-63:05 PM DEPOSITIONAL AGE AND PROVENANCE OF JADEITE-GRADE METAGRAYWACKE FROM THE FRANCISCAN ACCRETIONARY PRISM, DIABLO RANGE, CENTRAL CALIFORNIA - SHRIMP PB-ISOTOPE DATING OF DETRITAL ZIRCON: JOESTEN, Ray, Geology and Geophysics Program, Univ of Connecticut, 354 Mansfield Road U-2045, Storrs, CT 06269-2045, joesten@uconn.edu, WOODEN, J.L., U.S.G.S, Menlo Park, CA 94025, SILVER, Leon T., California Institute Technology, 1201 E California Blvd MC 100-23, Pasadena, CA 91125-0001, ERNST, W.G., Stanford Univ, Bldg 320, Stanford, CA 94305-2115, and MCWILLIAMS, Michael O., Geological and Environmental Sciences, Stanford Univ, 450 Serra Mall, Stanford, CA 94305-2115
43-73:20 PM DID THE GREAT VALLEY GROUP ACCUMULATE IN A TRANSLATIONAL RATHER THAN STATIONARY FORE ARC BASIN?: WRIGHT, James E., Geology, Univ of Georgia, Athens, GA 30602, jwright@gly.uga.edu.
 3:35 PM Discussion
43-83:45 PM TESTS OF PLATE RECONSTRUCTIONS THAT ASSUME FIXED HOTSPOTS: GORDON, Richard G., ANDREWS, David, and HORNER-JOHNSON, Benjamin C., Earth Science--MS 126, Rice Univ, PO Box 1892, Houston, TX 77251-1892, rgg@rice.edu
43-94:00 PM PALEOMAGNETICS AND TECTONIC SIGNIFICANCE OF CRETACEOUS SEDIMENTARY ROCKS IN THE MITCHELL INLIER, BLUE MOUNTAINS, OREGON: HOUSEN, Bernard A., Geology Dept, Western Washington Univ, 516 High St, Bellingham, WA 98225-9080, bernieh@cc.wwu.edu and DORSEY, Rebecca J., Department of Geological Sciences, Univ of Oregon, Eugene, OR 97403-1272
43-104:15 PM IMPLICATIONS OF LAMELLAR MAGNETISM FOR INTERPRETING ANOMALOUS MAGNETIC REMANENCE DIRECTIONS OF DEEP-SEATED PLUTONS: HOLLISTER, Lincoln S., Department of Geosciences, Princeton Univ, Princeton, NJ 08544, linc@princeton.edu, HARGRAVES, Robert B., Princeton Univ, Guyot Hall, Princeton, NJ 08544-1003, JAMES, Thomas S., Geological Survey of Canada, Pacific Geoscience Centre, Sidney, BC V8L 4B2, Canada, and RENNE, Paul R., Berkeley Geochronology Ctr/UC Berkeley, 2455 Ridge Road, Berkeley, CA 94709
43-114:30 PM TECTONICS OF LATE JURASSIC-EARLY CRETACEOUS BASIN DEVELOPMENT, NORTH-CENTRAL SONORA, MEXICO: LAWTON, Timothy F.1, GONZALEZ-LEÓN, Carlos2, MAUEL, David J.1, LEGGETT, William J.1, AMATO, Jeffrey M.1, IRIONDO, Alexander3, and GEHRELS, George E.4, (1) Department of Geological Sciences, New Mexico State Univ, Las Cruces, NM 88003, tlawton@nmsu.edu, (2) Instituto de Geología, UNAM, Estación Regional del Noroeste, Apartado Postal 1039, Hermosillo, Sonora, 83000, Mexico, (3) Centro de Geociencias, UNAM, Campus Juriquilla, C.P. 76230 Juriquilla, Querétaro, Mexico, (4) Department of Geosciences, Univ of Arizona, Tucson, AZ 85721-0077
43-124:45 PM INHERITED PROTEROZOIC ZIRCON IMPLIES A PROXIMAL NORTH AMERICAN (?) PALEO- GEOGRAPHIC SETTING FOR JURASSIC OPHIOLITES, SIERRA NEVADA, CALIFORNIA: DAY, Howard W., Department of Geology, U. C. Davis, Davis, CA 95616, day@geology.ucdavis.edu and BICKFORD, M.E., Department of Earth Sciences, Syracuse Univ, Syracuse, NY 13244
43-135:00 PM THE JURASSIC TECTONIC DEVELOPMENT OF SOUTH-CENTRAL ALASKA: RIOUX, Matthew1, MATTINSON, James1, HACKER, Bradley1, BLUSZTAJN, Jurek2, and KELEMEN, Peter2, (1) Geological Sciences, Univ of California, Santa Barbara, CA 93106, mrioux@umail.ucsb.edu, (2) Department of Geology and Geophysics, Woods Hole Oceanographic Institute, Woods Hole, MA 02543
43-145:15 PM COLLISION OF THE OLYUTORSKY TERRANE, KAMCHATKA: GARVER, John I., Geology Department, Union College, Union College, Olin Building, Schenectady, NY 12308-2311, garverj@union.edu, HOURIGAN, Jeremy, Dept. of Geology and Geophysics, Yale Univ, P.O. Box 2008109, New Haven, CT 06520, SOLOVIEV, Alex, Institute of the Lithosphere of Marginal Seas, Russian Academy of Sciences Russian Academy of Sciences Russian Academy of Sciences Russian Academy of Sciences, Staromonetny per., 22, Moscow, 119180, Russia, and BRANDON, Mark T., Department of Geology and Geophysics, Yale Univ, 210 Whitney Avenue, New Haven, CT 06520-8109

Back to the 2004 Denver Annual Meeting (November 7–10, 2004)
General Information for this Meeting