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

Session No. 36
Sunday, 1 May 2005: 8:00 AM-12:10 PM

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

 

James E. Wright and John W. Shervais, Conveners
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:10 AM
TEHAMA-COLUSA SERPENTINITE MELANGE: A REMNANT OF FRANCISCAN JURASSIC OCEANIC LITHOSPHERE, NORTHERN CALIFORNIA
HOPSON, C.A., Dept. Geol. Sci, Univ of California, Santa Barbara, CA 93106 and PESSAGNO Jr, Emile A., The Univ of Texas at Dallas, Department of Geosciences FO 21, P. O. Box 830688, Richardson, TX 75083-0688, hopson@geol.ucsb.edu, hopson@geol.ucsb.edu
2
8:40 AM
EARLY HISTORY OF SUPRA-SUBDUCTION ZONES (SSZ) - INSIGHTS FROM THE MARIANA TRENCH AND ZAMBALES OPHIOLITE
HAWKINS, James W., Geoscience Research Div, Scripps Institution of Oceanography, La Jolla, CA 92093, jhawkins@ucsd.edu, jhawkins@ucsd.edu
3
9:00 AM
CONDITIONS OF INITIATION OF THE FRANCISCAN SUBDUCTION COMPLEX FROM LU-HF AGES ON HIGH-GRADE BLOCKS
PLATT, John P., Department of Earth Sciences, Univ of Southern California, 3651 Trousdale Parkway, Zumberge Hall 117, Los Angeles, CA 90089-074, ANCZKIEWICZ, Robert, School of Geosciences, Monash Univ, Melbourne, Victoria 380, Australia and WAKABAYASHI, John, 1329 Sheridan Lane, Hayward, CA 94544-4332, john.platt@usc.edu, john.platt@usc.edu
4
9:20 AM
NEW HIGH-ACCURACY ZIRCON U-PB DATING METHOD: EXAMPLES FROM THE COAST RANGE OPHIOLITE (CRO) OF CALIFORNIA
MATTINSON, James M., Geological Sciences, Univ of California, Santa Barbara, CA 93106-9630, mattinson@geol.ucsb.edu, mattinson@geol.ucsb.edu
5
9:40 AM
QUARTZ DIORITE AND DIORITE PLUTONS OF THE ELDER CREEK OPHIOLITE, CALIFORNIA: FORE-ARC MAGMATISM IN A SUPRA-SUBDUCTION ZONE OPHIOLITE
SHERVAIS, John W., Department of Geology, Utah State Univ, Utah State University, Logan, UT 84322, shervais@cc.usu.edu, shervais@cc.usu.edu
6
10:00 AM
THE POLYGENETIC INGALLS OPHIOLITE COMPLEX AND ITS RELATIONSHIP TO THE JOSEPHINE AND COAST RANGE OPHIOLITES
MACDONALD Jr, James H.1, HARPER, Gregory D.1, MILLER, Robert B.2, MILLER, Jonathan S.3, MLINAREVIC, Ante N.2 and SCHULTZ, Cynthia E.2, (1)Earth and Atmos. Science, SUNY Albany, Albany, NY 12222, (2)Dept. of Geology, San Jose State Univ, San Jose, CA 95192-0102, (3)Department of Geology, San Jose State Univ, San Jose, CA 95192, macdonal@atmos.albany.edu, macdonal@atmos.albany.edu
 
10:20 AM
Break
7
10:40 AM
MANTLE PERIDOTITES IN THE INGALLS OPHIOLITE
SCHULTZ, Cynthia E.1, MILLER, Robert B.1, MILLER, Jonathan S.1 and MACDONALD Jr, James H.2, (1)Dept. of Geology, San Jose State Univ, San Jose, CA 95192-0102, (2)Earth and Atmos. Science, SUNY Albany, Albany, NY 12222, cynthiaschultz1@comcast.net, cynthiaschultz1@comcast.net
8
11:00 AM
TECTONOSTRATIGRAPHY OF BAJA CALIFORNIA TRIASSIC OPHIOLITES; A SOUTHERN PERSPECTIVE OF ALTA CALIFORNIA OPHIOLITE TERRANES
MOORE, Thomas E., U.S.Geol Survey, M.S. 901, 345 Middlefield Rd, Menlo Park, CA 94025 and KIMBROUGH, David L., San Diego State Univ, San Diego, CA 92182, tmoore@usgs.gov, tmoore@usgs.gov
9
11:20 AM
ORIGIN OF THE CARIBBEAN PLATE
WRIGHT, J.E. and WYLD, S.J., Geology, Univ of Georgia, Athens, GA 30602, jwright@gly.uga.edu, jwright@gly.uga.edu
10
11:40 AM
LATE JURASSIC PLUTONISM IN THE SOUTHWEST U.S. CORDILLERA
BARTH, Andrew P., Department of Geology, Indiana Univ~Purdue Univ, Indianapolis, IN 46202, WOODEN, Joseph L., U. S. Geol Survey, 345 Middlefield Road, MS937, Menlo Park, CA 94025 and RICHARDS, Joshua L., Department of Geology, Indiana Univ ~ Purdue Univ, Indianapolis, IN 46202, ibsz100@iupui.edu, ibsz100@iupui.edu
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