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

Session No. 22
Saturday, 30 April 2005: 8:20 AM-12:00 PM

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

 

Cathy J. Busby and Ian Skilling, Advocates
Paper #
Start Time
1
8:20 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 and DAY, Howard W., Department of Geology, U. C. Davis, Davis, CA 95616, springer@brandonu.ca, springer@brandonu.ca
2
8:40 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 and BASSETT, Kari, Geological Sciences, University of Canterbury, Private Bag 4800, Christchurch, 8004, New Zealand, cathy@geol.ucsb.edu, cathy@geol.ucsb.edu
3
9:00 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, 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, centeno@servidor.unam.mx, centeno@servidor.unam.mx
4
9:20 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, GANS, Phillip, Department of Geological Sciences, Univ of California, Santa Barbara, CA 93106 and TILL, Christy, Dept. of Geological Sciences, UCSB, Ian.MacMillan@pomona.edu, Ian.MacMillan@pomona.edu
 
9:40 AM
Break
5
10:00 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 and BUSBY, Cathy, Department of Geological Sciences, Univ of California, Santa Barbara, CA 93106, fabrice@umail.ucsb.edu, fabrice@umail.ucsb.edu
6
10:20 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, (2)U.S. Geol Survey, 3000 East Line St, Bishop, CA 93514, dylan@crustal.ucsb.edu, dylan@crustal.ucsb.edu
7
10:40 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, (2)Geology and Planetary Science, Univ of Pittsburgh, 200 SRCC, Pittsburgh, PA 15260, busby@geol.ucsb.edu, busby@geol.ucsb.edu
8
11:00 AM
COALESCING CALDERAS AND VOLCANIC DEBRIS AVALANCHE DEPOSITS IN THE NORTHERN KAWICH RANGE, CENTRAL NEVADA
HONN, Denise, Dept. Geoscience, Univ of Nevada, Las Vegas, 4505 South Maryland Parkway, Las Vegas, NV 89154-4010 and SMITH, Eugene, Department of Geoscience, University of Nevada, Las Vegas, 4505 S. Maryland Parkway, Las Vegas, NV 89154-4010, honnd@unlv.nevada.edu, honnd@unlv.nevada.edu
9
11:20 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, mdsullivan@csuchico.edu
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