Cordilleran Section - 101st Annual Meeting (April 29–May 1, 2005)
Session No. 35 Sunday, May 1, 2005
7:50 AM-12:20 PM, Fairmont Hotel: Crystal

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

Robert J. McLaughlin and David Wagner, Presiding
 Paper #Start Time
 7:50 AM Introductory Remarks
35-18:00 AM THE NEOGENE FOREARC BASIN OF NORTHERN AND CENTRAL CALIFORNIA REVISITED: NILSEN, Tor H., 215 Club Drive, San Carlos, CA 94070, tor_nilsen@msn.com and CLARKE, Samuel H. Jr, U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025
35-28:20 AM MAKING THE PLATE BOUNDARY: LITHOSPHERIC EVOLUTION IN THE WAKE OF THE MENDOCINO TRIPLE JUNCTION: FURLONG, Kevin P., Geosciences, Penn State Univ, 542 Deike Building, University Park, PA 16802, kevin@geodyn.psu.edu and KELSEY, Harvey, Geology, Humboldt State Univ, Arcata, CA 95521
35-38:40 AM CRUSTAL DEFORMATION ALONG THE NORTHERN SAN ANDREAS FAULT SYSTEM: MURRAY, Mark H., Seismological Laboratory, Univ of California, 215 McCone Hall, Berkeley, CA 94720-4760, mhmurray@seismo.berkeley.edu.
35-49:00 AM PALEOSEISMIC EVIDENCE FOR PREHISTORIC EARTHQUAKES ON THE NORTHERN MAACAMA FAULT, WILLITS, CALIFORNIA: PRENTICE, Carol S., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, cprentice@usgs.gov and FENTON, Clark, Department of Civil & Environmental Engineering, Imperial College London, London SW7 2AZ, London, SW7 2AZ, England
35-59:20 AM FINDINGS FROM FAULT HAZARD INVESTIGATIONS ALONG THE MAACAMA FAULT FOR THE PROPOSED WILLITS HOSPITAL, WILLITS, CALIFORNIA: SIMPSON, Gary D., SHN Consulting Geologists, 812 W. Wabash, Eureka, CA 95501, gsimpson@shn-engr.com.
 9:40 AM Break
35-610:00 AM LATE CENOZOIC VOLCANISM AND BASIN FORMATION WITHIN A TECTONIC SETTING TRANSITIONAL FROM SUBDUCTION TO DEXTRAL STRIKE-SLIP, NORTHERN SAN FRANCISCO BAY REGION, CALIFORNIA: MCLAUGHLIN, Robert J.1, SARNA-WOJCICKI, Andrei1, FLECK, Robert J.1, LANGENHEIM, Victoria E.1, MCPHEE, Darcy1, GRAYMER, Russell1, ROBERTS, Carter W.1, MCCABE, Craig1, VALIN, Zenon1, and WAGNER, David L.2, (1) U.S. Geol Survey, 345 Middlefield Road, Menlo Park, CA 94025, rjmcl@usgs.gov, (2) California Geological Survey, 801 K St., MS1232, Sacramento, CA 95814
35-710:20 AM CHRONOSTRATIGRAPHIC FRAMEWORK FOR THE SONOMA VOLCANICS AND ASSOCIATED SEDIMENTS, LONG-TERM FAULT DISPLACEMENT RATES, AND AREAL DISPERSION OF TEPHRA FROM THE SOURCE AREA, CENTRAL COAST RANGES, CALIFORNIA: SARNA-WOJCICKI, Andrei M., U. S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, asarna@usgs.gov, FLECK, Robert J., U.S. Geol Survey, Menlo Park, CA 94025, WAN, Elmira, 945 Madison St, Albany, CA 94706-2024, DEINO, Alan, Berkeley Geochronology Ctr, 2455 Ridge Road, Berkeley, CA 94709, and WAGNER, David, California Geol Survey, 801 K St. MS 12-31, Sacramento, CA 95814
35-810:40 AM NEW CONSTRAINTS ON THE AGE AND DISTRIBUTION OF CENOZOIC VOLCANICS NORTH OF SAN PABLO BAY, CALIFORNIA:IMPLICATIONS FOR DISPLACEMENT ALONG FAULTS INBOARD OF THE SAN ANDREAS FAULT: WAGNER, David L.1, FLECK, Robert J.2, MCLAUGHLIN, Robert2, SARNA-WOJCICKI, Andrei2, CLAHAN, Kevin B.3, and BEZORE, Steven1, (1) California Geol Survey, 801 K Street, MS 12-32, Sacramento, CA 95814, dwagner@consrv.ca.gov, (2) U.S. Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025, (3) California Geol Survey, 185 Berry St. Ste. 210, San Francisco, CA 94107
35-911:00 AM CONTRASTING STYLES OF VOLCANISM ALONG THE EAST SIDE OF NAPA VALLEY, CA: SWEETKIND, Donald1, RYTUBA, James J.2, LANGENHEIM, V.E.2, and SARNA-WOJCICKI, Andrei M.3, (1) U. S. Geol Survey, Denver Federal Center, Box 25046, Lakewood, CO 80225, dsweetkind@usgs.gov, (2) US Geol Survey, 345 Middlefield Road, Menlo Park, CA 94025, (3) U. S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025
35-1011:20 AM STRUCTURE OF SONOMA VALLEY, CALIFORNIA REVEALED BY GEOLOGIC AND GEOPHYSICAL MAPPING: A FAULT-BEND BASIN WITHIN THE RODGERS CREEK AND BENNETT VALLEY FAULT ZONES?: LANGENHEIM, V.E., US Geol Survey, 345 Middlefield Road MS989, Menlo Park, CA 94025, zulanger@usgs.gov, WAGNER, David, California Geol Survey, 801 K St. MS 12-31, Sacramento, CA 95814, FARRAR, C.D., U.S. Geol Survey, 5229 N Lake Blvd, Carnelian Bay, CA 96140, and SWEETKIND, Donald, U. S. Geol Survey, Denver Federal Center, Box 25046, Lakewood, CO 80225
35-1111:40 AM BASIN STRUCTURE BENEATH THE SANTA ROSA PLAIN, NORTHERN CALIFORNIA, AND ITS POSSIBLE INFLUENCE ON DAMAGE PATTERNS FROM THE 1906 AND 1969 EARTHQUAKES: MCPHEE, Darcy K.1, LANGENHEIM, Victoria E.2, JACHENS, Robert C.3, MCLAUGHLIN, Robert J.2, and ROBERTS, Carter W.4, (1) U.S. Geol Survey, MS989, 345 Middlefield Road, Menlo Park, CA 94025, dmcphee@usgs.gov, (2) U.S. Geol Survey, 345 Middlefield Road, Menlo Park, CA 94025, (3) US Geol Survey, 345 Middlefield Road MS989, Menlo Park, CA 94025, (4) US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025-3591
 12:00 PM Discussion

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