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

Session No. 35
Sunday, 1 May 2005: 7:50 AM-12:20 PM

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, Advocates
Paper #
Start Time
 
7:50 AM
Introductory Remarks
1
8:00 AM
THE NEOGENE FOREARC BASIN OF NORTHERN AND CENTRAL CALIFORNIA REVISITED
NILSEN, Tor H., 215 Club Drive, San Carlos, CA 94070 and CLARKE Jr, Samuel H., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, tor_nilsen@msn.com, tor_nilsen@msn.com
2
8:20 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 and KELSEY, Harvey, Geology, Humboldt State Univ, Arcata, CA 95521, kevin@geodyn.psu.edu, kevin@geodyn.psu.edu
3
8:40 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, mhmurray@seismo.berkeley.edu
4
9:00 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 and FENTON, Clark, Department of Civil & Environmental Engineering, Imperial College London, London SW7 2AZ, London, SW7 2AZ, England, cprentice@usgs.gov, cprentice@usgs.gov
5
9:20 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, gsimpson@shn-engr.com
 
9:40 AM
Break
6
10:00 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, Darcy2, GRAYMER, Russell2, ROBERTS, Carter W.1, MCCABE, Craig1, VALIN, Zenon1 and WAGNER, David L.3, (1)U.S. Geol Survey, 345 Middlefield Road, Menlo Park, CA 94025, (2)U.S. Geol Survey, 345 Middlefield Road, Menlo Park, CA, (3)California Geological Survey, 801 K St., MS1232, Sacramento, CA 95814, rjmcl@usgs.gov, rjmcl@usgs.gov
7
10:20 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, 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, puye@aol.com, puye@aol.com
8
10:40 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, (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, dwagner@consrv.ca.gov, dwagner@consrv.ca.gov
9
11:00 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, (2)US Geol Survey, 345 Middlefield Road, Menlo Park, CA 94025, (3)U. S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, dsweetkind@usgs.gov, dsweetkind@usgs.gov
10
11:20 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, 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, zulanger@usgs.gov, zulanger@usgs.gov
11
11:40 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, (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, dmcphee@usgs.gov, dmcphee@usgs.gov
 
12:00 PM
Discussion
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