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Cordilleran Section - 99th Annual (April 1–3, 2003)

Session No. 36
Thursday, 3 April 2003: 8:30 AM-12:10 PM

T14. Origin and Displacements of Cordilleran Terranes: New Debates and Constraints I

 

Sandra J. Wyld and James E. Wright, Advocates
Paper #
Start Time
1
8:30 AM
ALTERNATIVE CENOZOIC RECONSTRUCTIONS FOR THE CHORTIS BLOCK RELATIVE TO SOUTHERN MEXICO
KEPPIE, John Duncan, Instituto de Geologia, Universidad Nacional Autonoma de Mexico, Ciudad Universitaria, Mexico D.F, 04510, Mexico and MORAN-ZENTENO, Dante, Rancho Navajillas No 19, Col Prado Coapa, Del Tlalpan, Mexico City, 14350, Mexico, duncan@servidor.unam.mx, duncan@servidor.unam.mx
2
8:50 AM
THE MOJAVE – SONORAN MEGASHEAR AND REASSEMBLY OF CORDILLERAN TRIASSIC-JURASSIC TECTONOSTRATIGRAPHHIC ASSEMBLAGES
MARZOLF, John E., Geology, Southern Illinois Univ, Carbondale, IL 62901, marzolf@geo.siu.edu, marzolf@geo.siu.edu
3
9:10 AM
STRIKE SLIP TECTONICS AND SEDIMENTATION IN THE LATE JURASSIC ARC OF SOUTHERN ARIZONA RELATED TO NORTHWARD DRIFT OF NORTH AMERICA
BUSBY, Cathy J., Department of Geological Sciences, Univ of California, Santa Barbara, CA 93106 and BASSETT, Kari N., Dept. of Geological Sciences, Univ. of Canterbury, Prvt. Bag 4800, Christchurch, New Zealand, cathy@geol.ucsb.edu, cathy@geol.ucsb.edu
4
9:30 AM
THE COAST RANGE OPHIOLITE (CRO) CALIFORNIA AND THE JURASSIC TECTONIC EVOLUTION OF THE WESTERN CORDILLERA IN NORTH AMERICA
SHERVAIS, John W., Dept Geology, Utah State Univ, 4505 Old Main Hill, Logan, UT 84322-4505, shervais@cc.usu.edu, shervais@cc.usu.edu
5
9:50 AM
CONTRASTING VOLCANIC STYLES IN THE CUESTA RIDGE OPHIOLITE REMNANT: EVIDENCE FOR SSZ FORMATION AND RIDGE COLLISION
SNOW, Cameron A., Department of Geological and Environmental Sciences, Stanford Univ, 320 Braun Hall, Stanford University, Stanford, CA 94305 and SHERVAIS, John W., Dept Geology, Utah State Univ, 4505 Old Main Hill, Logan, UT 84322-4505, casnow@stanford.edu, casnow@stanford.edu
 
10:10 AM
Break
6
10:25 AM
EVIDENCE OF EARLY CRETACEOUS TECTONISM IN THE GREAT VALLEY FOREARC BASIN FROM DETRITAL ZIRCON PROVENANCE ANALYSIS, SACRAMENTO VALLEY, CALIFORNIA
SURPLESS, K.D.1, GRAHAM, S.A.1 and WOODEN, J.L.2, (1)Geological and Environmental Sciences, Stanford Univ, Stanford, CA 94305, (2)U. S. Geol Survey, Menlo Park, CA 94025, ksurpless@stanford.edu, ksurpless@stanford.edu
7
10:45 AM
DETRITAL ZIRCON GEOCHRONOLOGY OF BASEMENT AND COVER ROCKS FROM THE SANTA LUCIA MOUNTAINS, CALIFORNIA; NEW EVIDENCE FOR LIMITED TRANSPORT OF SALINIA
ALVARADO, Patricia1, BARBEAU, David1, ROBINSON, Cecil1, DUCEA, Mihai2, GEHRELS, George3, GUYNN, Jerome3, HAGBO, Casey1, HE, Shudong3, HENNES, Andrew1 and KRAWCIW, Olena3, (1)Department of Geosciences, Univ of Arizona, Gould-Simpson Building,1040, E. Fourth St, Tucson, AZ 85721, (2)Department of Geosciences, Univ of Arizona, 1040 E. 4th st, Tucson, AZ 85721, (3)Geosciences, Univ of Arizona, Tucson, AZ 85721, dbarbeau@geo.arizona.edu, dbarbeau@geo.arizona.edu
8
11:05 AM
EVIDENCE FROM THE INDEPENDENCE DIKE SWARM FOR 65 KM OR MORE OF POST-JURASSIC DEXTRAL OFFSET ACROSS OWENS VALLEY, CALIFORNIA
GLAZNER, Allen F.1, BARTLEY, John M.2, COLEMAN, Drew1 and KYLANDER-CLARK, Andrew R.C.3, (1)Department of Geological Sciences, Univ of North Carolina, CB# 3315, Chapel Hill, NC 27599, (2)Department of Geology and Geophysics, Univ of Utah, 135 S. 1460 E., Rm 719, Salt Lake City, UT 84112, (3)Department of Geological Sciences, University of North Carolina, CB# 3315, Chapel Hill, NC 27599, afg@unc.edu, afg@unc.edu
9
11:25 AM
POST-CRETACEOUS DEXTRAL OFFSET OF 65 KM ACROSS OWENS VALLEY, CALIFORNIA, IMPLIED BY CORRELATION OF THE GOLDEN BEAR AND COSO DIKE SETS
KYLANDER-CLARK, Andrew R.C.1, COLEMAN, Drew S.1, GLAZNER, Allen F.1 and BARTLEY, John M.2, (1)Department of Geological Sciences, Univ of North Carolina, CB# 3315, Chapel Hill, NC 27599, (2)Geology and Geophysics, Univ of Utah, 135 S 1460 E, Salt Lake City, UT 84112-0111, akylande@email.unc.edu, akylande@email.unc.edu
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