Session No. 33 Tuesday, April 10, 2001

1:50 PM-4:30 PM, Sheraton Universal: Terrace D
T20. New Insights in Tectonics
Margaret E. Rusmore and Paul J. Umhoefer, Presiding
Start Time
1:50 PM CORDILLERAN MODEL FOR THE EVOLUTION OF AVALONIA: NANCE, R. D., Dept. of Geological Sciences, Ohio Univ, Athens, OH 45701, nance@ohio.edu, 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,
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, pignotta@usc.edu, PATERSON, Scott R., Dept. of Earth Sciences, Univ of Southern California, 3651 Trousdale Ave, Los Angeles, CA 90089-0740, and PETTERSSON, David, Portland, OR,
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, rusmore@oxy.edu, 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,
2:50 PM Break
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, unruh@lettis.com and DUMITRU, Trevor A., Dept. Geological and Envir. Sci, Stanford University, Stanford, CA 94306,
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.
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, William W. Jr4, (1) USGS, MS 974, Box 25046, DFC, Denver, CO 80225, iriondo@usgs.gov, (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
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. and TAYLOR, Wanda J., Dept of Geoscience, Univ of Nevada, Las Vegas, 4505 South Maryland Parkway, Las Vegas, NV 89154-4010, jjg@nevada.edu

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