Cordilleran Section - 101st Annual Meeting (April 29–May 1, 2005)
Session No. 13 Friday, April 29, 2005
1:10 PM-5:00 PM, Fairmont Hotel: Piedmont

T5. Crustal Cross Sections from the Western North America Cordillera and Elsewhere—Implications for Tectonic and Petrologic Processes

Arthur W. Snoke and Robert B. Miller, Presiding
 Paper #Start Time
 1:10 PM Introductory Remarks
13-11:20 PM CRUSTAL EVOLUTION DURING THE LAST 105 MILLION YEARS, CENTRAL COAST OROGEN, BC AND SOUTHEASTERN ALASKA: CRAWFORD, Maria Luisa, Bryn Mawr College, 101 N Merion Ave, Bryn Mawr, PA 19010-2899, mcrawfor@brynmawr.edu.
13-21:40 PM IMPLICATIONS FOR TECTONIC AND MAGMATIC PROCESSES FROM THE ~5 TO 40 KM NORTH CASCADES CRUSTAL SECTION, WASHINGTON: MATZEL, Jennifer, Berkeley Geochronology Ctr, 2455 Ridge Road, Berkeley, CA 94709, jmatzel@bgc.org, MILLER, Robert, Department of Geology, San Jose State Univ, San Jose, CA 95192-0102, PATERSON, Scott, Dept. of Earth Sciences, Univ of Southern California, 3651 Trousdale Ave, Los Angeles, CA 90089-0740, and BOWRING, Samuel A., Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139-4307
13-32:00 PM SALINIA: A CRUSTAL CROSS SECTION THROUGH A SHALLOW SUBDUCTION ZONE EXPOSING THE SUBDUCTION MEGATHRUST: DUCEA, Mihai N., Geosciences, Univ of Arizona, Tucson, AZ 85721, ducea@geo.arizona.edu, KIDDER, Steven, Department of Geological Sciences, Univ of Arizona, Tucson, AZ 85721, and CHESLEY, John, Department of Geosciences, Univ of Arizona, Tucson, AZ 85721
13-42:20 PM USING 40AR/39AR THERMOCHRONOLOGY TO ASSESS THE TILTING AND EXHUMATION OF CONTINENTAL CRUSTAL SECTIONS: AN EXAMPLE FROM THE SIERRA MAZATAN CORE COMPLEX, SONORA, MEXICO: WONG, Martin, Geological Sciences, UC Santa Barbara, Santa Barbara, CA 93106, mwong@umail.ucsb.edu and GANS, Phillip, Geological Sciences, Univ of California, Santa Barbara, Department of Geological Sciences, University of California, Santa Barbara, CA 93106
13-52:40 PM LINKING DEEP AND SHALLOW CRUSTAL PROCESSES IN EXTENDING CONTINENTAL CRUST: EXAMPLES FROM THE CENOZOIC BASIN AND RANGE AND THE CRETACEOUS OF THE BERING STRAIT: MILLER, Elizabeth, Geological and Environmental Sciences, Stanford Univ, Stanford, CA 94305-2115, miller@pangea.stanford.edu and AKININ, Vyacheslav V., Russian Academy of Sciences, NEISRI, Portovaya 16, Magadan, 685000, Russia
 3:00 PM Break
13-63:20 PM INVESTIGATING DEEP AND MIDDLE CRUSTAL PROCESSES IN ISOBARICALLY COOLED TERRANES: THE EAST ATHABASCA AREA OF CANADA AND THE PROTEROZOIC TERRANE OF SW-USA: WILLIAMS, Michael L., Department of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-5820, mlw@geo.umass.edu, MAHAN, Kevin, Department of Geosciences, Univ of Massachusetts, Amherst, MA 01003-9297, DUMOND, Greg, Dept. of Geosciences, UMASS, Amherst, MA 01003, JERCINOVIC, Michael, Geosciences, Univ of Massachusetts, 611 N. Pleasant St, Amherst, MA 01003, KARLSTROM, Karl, Earth and Planetary Sciences, Univ of New Mexico, 200 Yale Blvd NE, Northrop Hall, Albuquerque, NM 87131, and BOWRING, S.A., Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139
13-73:40 PM A P-T-TIME-DEFORMATION PATH FOR EXPOSED DEEP CONTINENTAL CRUST IN THE SNOWBIRD TECTONIC ZONE, WESTERN CANADIAN SHIELD: MAHAN, Kevin H., Geosciences, Univ of Massachusetts, 611 N. Pleasant St, Amherst, MA 01003, kmahan@geo.umass.edu, FLOWERS, Rebecca M., Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Bldg. 54-1114, Cambridge, MA 02139, WILLIAMS, Michael L., Department of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-5820, GONCALVES, Philippe, Département des Géosciences, Université de Franche-Comté, 16 route de Gray, Besançon, 25030, France, BOWRING, Samuel A., Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139-4307, and JERCINOVIC, Michael J., Department of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-9297
13-84:00 PM DUCTILE FLOW IN A THERMALLY-EVOLVING LOWER CRUST AND ITS RELATIONSHIP TO DEFORMATION IN THE MIDDLE AND UPPER CRUST OF A CORDILLERAN-STYLE MAGMATIC ARC IN WESTERN NEW ZEALAND: KLEPEIS, Keith A.1, KING, Daniel1, GEHRELS, George2, GOLDSTEIN, Arthur3, and CLARKE, Geoff4, (1) Department of Geology, Univ of Vermont, Burlington, VT 05405, kklepeis@ZOO.UVM.EDU, (2) Geosciences, Univ of Arizona, Tucson, AZ 85721, (3) Dept. of Geology, Colgate Univ, Hamilton, NY 13346-1398, (4) School of Geosciences, Univ of Sydney, Sydney, 2006, Australia
13-94:20 PM A STRUCTURAL TRANSECT ACROSS THE IVREA-VERBANO ZONE NEAR VARALLO SESIA, NORTHERN ITALY: SNOKE, Arthur W., Geology and Geophysics, Univ of Wyoming, 1000 E. University Avenue, Laramie, WY 82071, snoke@uwyo.edu and KALAKAY, Thomas J., Earth and Environmental Sciences, Rocky Mountain College, 1511 Poly Drive, Billings, MT 59102
13-104:40 PM THE ROLE OF PRE-EXISTING ANISOTROPIES AND PARTIAL MELT IN CONTROLLING STRAIN LOCALIZATION IN A PALEOZOIC LOWER CRUSTAL SUTURE ZONE, SIERRAS PAMPEANAS, WEST-CENTRAL ARGENTINA: MULCAHY, Sean R.1, ROESKE, Sarah M.1, MCCLELLAND, William C.2, ELLIS, Joshua R.2, NOMADE, Sebastien3, and VUJOVICH, Graciela I.4, (1) Geology Department, Univ of California, Davis, One Shields Avenue, Davis, CA 95616, mulcahy@geology.ucdavis.edu, (2) Geological Sciences, Univ of Idaho, Moscow, ID 83844, (3) Berkeley Geochronology Ctr, 2455 Ridge Road, Berkeley, CA 94709, (4) Department of Geology, Univ of Buenos Aires-CONICET, Ciudad Universitaria 1428, Buenos Aires, Argentina

Back to the Cordilleran Section - 101st Annual Meeting (April 29–May 1, 2005)
General Information for this Meeting