Cordilleran Section - 97th Annual Meeting, and Pacific Section, American Association of Petroleum Geologists (April 9-11, 2001)

Session No. 33
Tuesday, 10 April 2001: 1:50 PM-4:30 PM

T20. New Insights in Tectonics

 

Margaret E. Rusmore and Paul J. Umhoefer, Advocates
Paper #
Start Time
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1:50 PM
CORDILLERAN MODEL FOR THE EVOLUTION OF AVALONIA
NANCE, R. D., Dept. of Geological Sciences, Ohio Univ, Athens, OH 45701, MURPHY, J. B., Dept. of Geology, St. Francis Xavier Univ, Antigonish, NS B2G 2W5, Canada and KEPPIE, J. D., Inst. de Geologia, UNAM, Ciudad Universitaria, Mexico DF, 04510, Mexico, nance@ohio.edu, nance@ohio.edu
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2:10 PM
VOLUMINOUS STOPING IN THE MITCHELL PEAK GRANODIORITE, SIERRA NEVADA, CALIFORNIA
PIGNOTTA, Geoffrey S., Dept. of Earth Sciences, Univ of Southern California, 3651 University Ave, Los Angeles, CA 90089-0740, PATERSON, Scott R., Dept. of Earth Sciences, Univ of Southern California, 3651 Trousdale Ave, Los Angeles, CA 90089-0740 and PETTERSSON, David, Portland, OR, pignotta@usc.edu, pignotta@usc.edu
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2:30 PM
THE COAST SHEAR ZONE REVISITED: EVIDENCE FOR EARLY TERTIARY DEXTRAL TRANSPRESSION IN B.C. AND SE ALASKA?
RUSMORE, Margaret E., Occidental College, 1600 Campus Rd, Los Angeles, CA 90041-3314, ANDRONICOS, Christopher L., Geological Sciences, The Univ of Texas at El Paso, El Paso, TX 79968 and WOODSWORTH, G. J., Geol Survey of Canada, 101-605 Robson St, Vancouver, BC V6B 5J3, rusmore@oxy.edu, rusmore@oxy.edu
 
2:50 PM
Break
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3:10 PM
COUPLING OF EARLY TERTIARY GRABEN DEVELOPMENT IN THE GREAT VALLEY FORE ARC BASIN WITH BLUESCHIST EXHUMATION IN THE UNDERLYING FRANCISCAN ACCRETIONARY WEDGE AT MT. DIABLO, EASTERN SAN FRANCISCO BAY AREA, CALIFORNIA
UNRUH, Jeffrey R., Lettis & Assoc., Inc, 1777 Botelho Dr., Suite 262, Walnut Creek, CA 94596 and DUMITRU, Trevor A., Dept. Geological and Envir. Sci, Stanford Univ, Stanford, CA 94306, unruh@lettis.com, unruh@lettis.com
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3:30 PM
COMPARISON OF LATE CENOZOIC STRUCTURES ACROSS THE SOUTHERN GULF OF CALIFORNIA
UMHOEFER, Paul J., Geology, Northern Arizona Univ, Box 4099, Flagstaff, AZ 86011, paul.umhoefer@nau.edu, paul.umhoefer@nau.edu
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3:50 PM
LARAMIDE JUXTAPOSITION OF THE CABORCA AND "NORTH AMERICA" PALEOPROTEROZOIC BASEMENT BLOCKS IN THE QUITOVAC REGION, NW SONORA, MEXICO
IRIONDO, Alexander1, MARTINEZ-TORRES, Luis M.2, KUNK, Michael J.1, PREMO, Wayne R.3 and ATKINSON Jr, William W.4, (1)USGS, MS 974, Box 25046, DFC, Denver, CO 80225, (2)Departamento de Geodinamica, Universidad del Pais Vasco, Apartado 644, Bilbao, E-48080, Spain, (3)USGS, MS 963, Box 25046, DFC, Denver, CO 80225, (4)Department of Geological Sciences, University of Colorado at Boulder, CB 399, Boulder, CO 80309, iriondo@usgs.gov, iriondo@usgs.gov
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4:10 PM
GEOMETRY OF MESOZOIC(?) CONTRACTIONAL STRUCTURES: IMPLICATIONS FOR THE TECTONIC DEVELOPMENT OF THE CENTRAL NEVADA THRUST BELT, EAST-CENTRAL GREAT BASIN, NEVADA
GILBERT, Joseph J., Dept of Geoscience, Univ of Nevada, Las Vegas, 4505 South Maryland Parkway, Las Vegas, NV 89154-4010 and TAYLOR, Wanda J., Geoscience, Univ of Nevada Las Vegas, 4505 Maryland Parkway, Las Vegas, NV 89154-4010, jjg@nevada.edu, jjg@nevada.edu
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