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Cordilleran Section - 101st Annual Meeting (April 29–May 1, 2005)

Session No. 44
Sunday, 1 May 2005: 1:00 PM-5:00 PM

S4. Ophiolites, Batholiths, and Regional Geology II: A Session in Honor of Cliff Hopson

 

James E. Wright and John W. Shervais, Conveners
Paper #
Start Time
1
1:00 PM
TILTED PLUTONS AND MAGMATIC PLUMBING
SINHA, A.Krishna, Geosciences, Virginia Tech, Blacksburg, VA 24061, BARNES, Calvin, Geosciences, Texas Tech, Lubbock, TX 79409-1053 and ALLEN, Charlotte, Research School of Earth Sciences, Australian National Univ, Canberra, 0200, Australia, pitlab@vt.edu, pitlab@vt.edu
2
1:20 PM
SPATIAL AND TEMPORAL VARIATIONS IN ND ISOTOPIC SIGNATURES ACROSS THE CRYSTALLINE CORE OF THE NORTH CASCADES, WASHINGTON
MATZEL, Jennifer, Berkeley Geochronology Ctr, 2455 Ridge Road, Berkeley, CA 94709, BOWRING, Samuel A., Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139-4307 and MILLER, Robert, Department of Geology, San Jose State Univ, San Jose, CA 95192-0102, jmatzel@bgc.org, jmatzel@bgc.org
3
1:40 PM
TEHACHAPI COMPLEX (TC)-SOUTHERNMOST SIERRA NEVADA BATHOLITH (SNB): TECTONIC STRATIGRAPHY AND THERMOBAROMETRY IN TIME
SALEEBY, Jason B., Division of Geological and Planetary Sciences, California Institute Technology, Pasadena, CA 91125-0001, jason@gps.caltech.edu, jason@gps.caltech.edu
4
2:00 PM
GEOLOGIC AND PETROLOGIC FRAMEWORK FOR THE 2004-2005 ERUPTION OF MOUNT ST. HELENS, WASHINGTON
PALLISTER, John S.1, RUTHERFORD, M.D.2, DEVINE, J.D.2, CLYNNE, M.A.3 and THORNBER, C.R.1, (1)USGS Cascades Volcano Observatory, 1300 Cardinal Court, Suite 100, Vancouver, WA 98683, (2)Department of Geological Sciences, Brown Univ, Providence, RI 02912, (3)Volcano Hazards Team, USGS, 345 Middlefield Rd., MS 910, Menlo Park, CA 94025, jpallist@usgs.gov, jpallist@usgs.gov
5
2:20 PM
THE ROLE OF A CRUSTAL BOUNDARY IN UNROOFING THE SOUTHERN SIERRA NEVADA BATHOLITH
NADIN, Elisabeth S., Geological & Planetary Sciences, California Institute of Technology, MC 100-23, Pasadena, CA 91125 and SALEEBY, Jason B., Division of Geological and Planetary Sciences, California Institute Technology, 1201 E California Blvd MC 100-23, Pasadena, CA 91125-0001, enadin@gps.caltech.edu, enadin@gps.caltech.edu
6
2:40 PM
COMPARISON OF DIKE AZIMUTHS IN THE INDEPENDENCE DIKE SWARM, CALIFORNIA, TO PALEOMAGNETIC DATA—IMPLICATIONS FOR LATE CENOZOIC VERTICAL AXIS ROTATIONS
HOPSON, R. Forrest, Geol Information Svcs, 2930 Salem Place, #608, Reno, NV 89509, HILLHOUSE, John W., U.S. Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025 and HOWARD, Keith A., U.S. Geol Survey, 345 Middlefield Rd, MS/973, Menlo Park, CA 94025, fhopson@geoinfoservices.net, fhopson@geoinfoservices.net
 
3:00 PM
Break
7
3:20 PM
EARLY CRETACEOUS, MARGIN-PARALLEL, DEXTRAL FAULTING AND TERRANE TRANSLATION IN THE U. S. CORDILLERA
WYLD, S.J. and WRIGHT, J.E., Geology, Univ of Georgia, Athens, GA 30602, swyld@gly.uga.edu, swyld@gly.uga.edu
8
3:40 PM
GEOCHRONOLOGIC CONSTRAINTS ON EARLY CRETACEOUS DEPOSITION OF NONMARINE SEDIMENTS AND VOLCANICS, AND SYNPLUTONIC DEFORMATION, WESTERN SIERRA NEVADA BATHOLITH, CA
CLEMENS-KNOTT, Diane, Department of Geological Sciences, California State University, Fullerton, PO Box 6850, Fullerton, CA 92834 and SALEEBY, Jason B., California Institute Technology, Pasadena, CA 91125-0001, dclemensknott@fullerton.edu, dclemensknott@fullerton.edu
9
4:00 PM
LATE CRETACEOUS TO PALEOCENE METAMORPHISM AND MAGMATISM IN THE FUNERAL MOUNTAINS METAMORPHIC CORE COMPLEX, DEATH VALLEY, CALIFORNIA
MATTINSON, Christopher G.1, COLGAN, Joseph1, METCALF, James R.1, MILLER, Elizabeth1 and WOODEN, Joseph L.2, (1)Geological and Environmental Sciences, Stanford Univ, Stanford, CA 94305-2115, (2)U.S. Geol Survey, 345 Middlefield Road, Menlo Park, CA 94025, cgm@pangea.stanford.edu, cgm@pangea.stanford.edu
10
4:20 PM
CENOZOIC MAGMATIC AND STRUCTURAL EVOLUTION OF THE CENTRAL MOJAVE DESERT, CALIFORNIA: NEW CONSTRAINTS FROM 40AR/39AR GEOCHRONOLOGY AND THERMOCHRONOLOGY
GANS, Phillip1, DEVECCHIO, D.1, SINGLETON, J.1, VAN PELT, J.1, WONG, M.1 and REYNOLDS, J.2, (1)Department of Geological Sciences, Univ of California, Santa Barbara, CA 93106, (2)Rio Tinto Indust. Minerals, 52 Glen Carran Circle, Reno, NV 89431, gans@geology.ucsb.edu, gans@geology.ucsb.edu
11
4:40 PM
GEOCHRONOLOGY OF THE ALBION RANGE, IDAHO, AND ADJACENT NORTHERN ELKO COUNTY, NEVADA. FROM SHRIMP ANALYSIS OF DETRITAL ZIRCONS
LINK, Paul K., Geosciences, Idaho State Univ, Pocatello, ID 83209 and FANNING, C. Mark, Research School of Earth Sciences, Australian National Univ, Canberra, ACT, Australia, linkpaul@isu.edu, linkpaul@isu.edu
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