Cordilleran Section - 101st Annual Meeting (April 29–May 1, 2005)
Session No. 25 Saturday, April 30, 2005
9:00 AM-5:00 PM, Fairmont Hotel: Market Street Foyer/Exhibit Hall

T2. Late Cenozoic Transition from Subduction to Transform Margin Inboard of the San Andreas Fault: Northern San Francisco Bay Area to Cape Mendocino (Posters)

 Paper #Booth #
25-114GEOLOGY SOUTH OF PUNTA GORDA, MENDOCINO TRIPLE JUNCTION REGION, CA: MANSFIELD, Sunshine S., Geology, Humboldt State Univ, 1 Harpst Street, Arcata, CA 95521, ssm5@humboldt.edu.
25-215PALEOSEISMIC INVESTIGATION OF THE MAACAMA FAULT AT THE HAEHL CREEK SITE, WILLITS, CALIFORNIA: LARSEN, Mort1, PRENTICE, Carol S.2, KELSEY, Harvey M.1, ZACHARIASEN, Judith3, and ROTBERG, Gabriel L.4, (1) Department of Geology, Humboldt State Univ, Arcata, CA 95521, mcl22@humboldt.edu, (2) U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, (3) 488 Kenilworth Ave, San Leandro, CA 94577, (4) 54 Lassen Drive, Santa Barbara, CA 93111
25-316LATE NEOGENE AND QUATERNARY STRATIGRAPHY AND STRUCTURE OF LITTLE LAKE (WILLITS) VALLEY, NORTHERN COAST RANGE, CALIFORNIA: WOOLACE, Adam C., Department of Geology, Humboldt State Univ, Arcata, CA 95521, acw4@humboldt.edu, KELSEY, Harvey M., Dept . of Geology, Humboldt State Univ, Arcata, CA 95521, SARNA-WOJCICKI, Andrei M., U. S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, and SIMPSON, Gary, SHN Consulting Geologists and Engineers, 812 West Wabash, Eureka, CA 95501
25-417THE CRUSTAL STRUCTURE OF THE NORTHERN CALIFORNIA COAST RANGES FROM RECEIVER FUNCTIONS: HAYES, Gavin P.1, FURLONG, Kevin P.1, and SCHWARTZ, Susan Y.2, (1) Geosciences, Penn State Univ, 542 Deike Building, University Park, PA 16802, ghayes@geosc.psu.edu, (2) Earth Sciences, Univ of California Santa Cruz, Santa Cruz, CA 95064
25-518SLIP RATE AND AGE OF THE MOST RECENT EVENT ON THE CENTRAL MAACAMA FAULT, NEAR UKIAH, MENDOCINO COUNTY, CALIFORNIA: SICKLER, Robert R.1, PRENTICE, Carol S.1, and DENGLER, Lori A.2, (1) U.S. Geol Survey, 345 Middlefield Road, MS 977, Menlo Park, CA 94025, rsickler@usgs.gov, (2) Dept. of Geology, Humboldt State Univ, Arcata, CA 95521
25-619AN INVESTIGATION OF A PREVIOUSLY UNMAPPED FAULT IN THE CACHE CREEK NATURAL AREA, LAKE COUNTY, CALIFORNIA: MCPHERSON, R.C.1, CALL, A.1, BURKE, R.M.1, and BURCELL, J.A.2, (1) Geology Department, Humboldt State University, Arcata, CA 95521, ac43@humboldt.edu, (2) Field Office, BLM, Ukiah, CA 95482
25-720NEW GEOLOGIC MAPPING OF THE NORTHERN SAN FRANCISCO BAY REGION; MARIN, SONOMA, NAPA, AND SOLANO COUNTIES, CALIFORNIA: CLAHAN, Kevin B.1, WAGNER, David2, BEZORE, Stephen2, SAUCEDO, George J.1, and GUTIERREZ, Carlos I.2, (1) California Geol Survey, 185 Berry St. Ste. 210, San Francisco, CA 94107, kclahan@consrv.ca.gov, (2) California Geol Survey, 801 K Street MS 12-32, Sacramento, CA 95814
25-821NEOTECTONIC INVESTIGATION OF THE SOUTHERN RODGERS CREEK FAULT, SONOMA COUNTY, CA: RANDOLPH-LOAR, Carolyn E., LACHEL FELICE & Associates, Inc, PO Box 5266, Golden, CO 80401, crandolph.loar@lachel.com and CASKEY, S. John, Department of Geosciences, San Francisco State Univ, 1600 Holloway Ave, San Francisco, CA 94132
25-922SUBSURFACE GEOLOGY IN THE NORTHERN SAN FRANCISCO BAY REGION, CALIFORNIA: ZIEGLAR, D.L., Chevron (retired), 9409 Elsie Way, Windsor, CA 95492, WRIGHT, T.L., Chevron (retired), San Anselmo, CA 94960, and SMITH, N., Chevron (retired), Freestone, CA 95472
25-1023NEW PALEONTOLOGICAL EVIDENCE SUPPORTING THE NEOGENE TRANSITION FROM MARINE TO NON-MARINE CONDITIONS IN MARIN AND SONOMA COUNTIES, CALIFORNIA, USA: STARRATT, Scott W.1, ALLEN, James R.2, POWELL, Charles L. II1, PETERSON, Dawn E.3, RUCK, Elizabeth4, and SARNA-WOJCICKI, Andrei1, (1) US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025-3591, sstarrat@usgs.gov, (2) Kleinfelder, 7133 Koll Center Parkway, Suite 100, Pleasanton, CA 94566-3101, (3) Geology and Invertebrate Zoology, California Academy of Sciences, 875 Howard Street, San Francisco, CA 94103, (4) Department of Botany, Univ of Texas, Austin, TX 78712
25-1124TRANSITIONAL MARINE, OLIGOHALINE, LIMNIC OSTRACODE ASSEMBLAGES OF THE LOWER PETALUMA FORMATION, SONOMA COUNTY, CALIFORNIA: PETERSON, Dawn E., Museum of Paleontology, Research Associate, University of California, Berkeley, CA 94720-4780, dwnptrsn2004@yahoo.com and ALLEN, James R., 6747 Tory Way, Dublin, CA 94568
25-1225LITHOLOGY AND VERTEBRATE FOSSILS OF THE PETALUMA FORMATION, SONOMA COUNTY, CALIFORNIA: ALLEN, James R., 6747 Tory Way, Dublin, CA 94568, jallen@kleinfelder.com and REPENNING, Charles A., 9010 West 5th Place, Lakewood, CO 80226-1142
25-1326THE MOST RECENT LARGE EARTHQUAKE ON THE RODGERS CREEK FAULT, SAN FRANCISCO BAY REGION: HECKER, Suzanne1, PANTOSTI, Daniela2, SCHWARTZ, David P.1, REIDY, Liam M.3, and HAMILTON, John C.1, (1) U.S. Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025, shecker@usgs.gov, (2) Istituto Nazionale di Geofisica e Vulcanologia, Sezione Sismologia e Tettonofisica, Via di Vigna Murata 605, Roma, I-00143, Italy, (3) Department of Geography, Univ of California, Berkeley, 507 McCone Hall, #4740, Berkeley, CA 94720

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