Cordilleran Section - 101st Annual Meeting (April 29–May 1, 2005)
Session No. 22 Saturday, April 30, 2005
8:20 AM-12:00 PM, Fairmont Hotel: Atherton

T23. Volcaniclastic Strata: Process, Paleogeography, and Tectonic Reconstructions

Cathy J. Busby and Ian Skilling, Presiding
 Paper #Start Time
22-18:20 AM BIRTH AND DEATH OF A LATE JURASSIC VOLCANIC ARC TERRANE, WESTERN SIERRA NEVADA FOOTHILLS, CALIFORNIA: SPRINGER, Robert K., Brandon Univ, Dept Geology, Brandon, MB R7A 6A9, Canada, springer@brandonu.ca and DAY, Howard W., Department of Geology, U. C. Davis, Davis, CA 95616
22-28:40 AM VOLCANIC FACIES ARCHITECTURE OF AN INTRA-ARC STRIKE-SLIP BASIN, SANTA RITA MOUNTAINS, SOUTHERN ARIZONA: BUSBY, Cathy, Department of Geological Sciences, University of California, Santa Barbara, CA 93106, cathy@geol.ucsb.edu and BASSETT, Kari, Geological Sciences, University of Canterbury, Private Bag 4800, Christchurch, 8004, New Zealand
22-39:00 AM ZIRCON PROVENANCE OF TRIASSIC (PALEOZOIC?) TURBIDITES FROM CENTRAL AND WESTERN MEXICO: IMPLICATIONS FOR THE EARLY EVOLUTION OF THE GUERRERO ARC: CENTENO-GARCIA, Elena, Instituto de Geologia, Universidad Nacional Autonoma de Mexico, Ciudad Universitaria, Delegacion Coyoacan, 04510, Mexico, centeno@servidor.unam.mx, GEHRELS, George, Geosciences, Univ of Arizona, Tucson, AZ 85721, DIAZ-SALGADO, Ciro, Posgrado en Ciencias de la Tierra, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico D.F, 04510, Mexico, and TALAVERA-MENDOZA, O., Escuela Regional de Ciencias de la Tierra, Universidad Autónoma de Guerrero, AP 197 Taxco, Guerrero
22-49:20 AM TECTONIC IMPLICATIONS OF THE VOLCANIC AND STRUCTURAL HISTORY OF THE SIERRA SANTA URSULA, SONORA MEXICO: MACMILLAN, Ian, Geology Department, Pomona College, 609 N. College Ave, Claremont, CA 91711, Ian.MacMillan@pomona.edu, GANS, Phillip, Department of Geological Sciences, Univ of California, Santa Barbara, CA 93106, and TILL, Christy, Dept. of Geological Sciences, UCSB
 9:40 AM Break
22-510:00 AM THE LATE MIOCENE DIXIE MOUNTAIN VOLCANIC CENTER, NORTHERN SIERRA NEVADA: ERODED STRATOVOLCANO OR LACCOLITHIC INTRUSION?: ROULLET, Fabrice S., Geological Sciences, Univ of California, Santa Barbara, Geological Sciences, Webb Hall, Santa Barbara, CA 93106, fabrice@umail.ucsb.edu and BUSBY, Cathy, Department of Geological Sciences, Univ of California, Santa Barbara, CA 93106
22-610:20 AM NEOGENE TO QUATERNARY KINEMATICS OF THE CENTRAL SIERRAN FRONTAL FAULT SYSTEM IN THE SONORA PASS REGION: PRELIMINARY STRUCTURAL, PALEOMAGNETIC, AND NEOTECTONIC RESULTS: ROOD, Dylan H.1, BUSBY, Cathy J.1, JAYKO, Angela S.2, and LUYENDYK, Bruce P.1, (1) Department of Geological Sciences, Univ of California, Santa Barbara, CA 93106, dylan@crustal.ucsb.edu, (2) U.S. Geol Survey, 3000 East Line St, Bishop, CA 93514
22-710:40 AM CARSON PASS-KIRKWOOD PALEOCANYON SYSTEM: IMPLICATIONS FOR THE TERTIARY EVOLUTION OF THE SIERRA NEVADA, CALIFORNIA: DEOREO, S.B.1, BUSBY, C.J.1, GANS, P.1, and SKILLING, I.2, (1) Department of Geological Sciences, Univ of California, Santa Barbara, Santa Barbara, CA 93106, busby@geol.ucsb.edu, (2) Geology and Planetary Science, Univ of Pittsburgh, 200 SRCC, Pittsburgh, PA 15260
22-811:00 AM COALESCING CALDERAS AND VOLCANIC DEBRIS AVALANCHE DEPOSITS IN THE NORTHERN KAWICH RANGE, CENTRAL NEVADA: HONN, Denise and SMITH, Eugene, Dept. Geoscience, Univ of Nevada, Las Vegas, 4505 South Maryland Parkway, Las Vegas, NV 89154-4010, honnd@unlv.nevada.edu
22-911:20 AM PALEOGEOGRAPHIC ANALYSIS OF THE TUSCAN FORMATION, CHICO, CALIFORNIA: SULLIVAN, Morgan, SPRINGHORN, Steven, ALWARD, Ryan, and SKARTVEDT-FORTE, Margaret, Department of Geological and Environmental Sciences, California State Univ, Chico, CA 95929, mdsullivan@csuchico.edu

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