Session: A New Three-Dimensional Look at the Geology, Geophysics, and Hydrology of the Santa Clara Valley, California: A Showcase of Urban Earth Science (Posters) (Cordilleran Section - 101st Annual Meeting (April 29

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1

THREE-DIMENSIONAL GEOLOGIC MAP OF THE SANTA CLARA VALLEY AND ADJACENT UPLANDS, CALIFORNIA

JACHENS, R.C.¹, WENTWORTH, C.M.¹, SIMPSON, R.W.², GRAYMER, R.W., GRAHAM, S.⁴, WILLIAMS, R.A.⁵, MCLAUGHLIN, R.J.⁶ and LANGENHEIM, V.E.⁷, (1)US Geol Survey, Menlo Park, CA 94025, (2)U.S. Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025, (3)U.S. Geol Survey, Flaggstaff, AZ 99999, (4)U.S. Geol Survey, Golden, CO 99999, (5)U.S. Geol Survey, 345 Middlefield Road, Menlo Park, CA 94025, (6)US Geol Survey, 345 Middlefield Road MS989, Menlo Park, CA 94025, jachens@usgs.gov, jachens@usgs.gov

2

STRUCTURE OF THE MONTE VISTA FAULT ZONE, SOUTHWEST SANTA CLARA VALLEY, CALIFORNIA, USING GEOLOGIC, POTENTIAL-FIELD AND SEISMIC DATA

LANGENHEIM, V.E.¹, MCLAUGHLIN, Robert², JACHENS, R.C.³, WENTWORTH, Carl M.⁴, STANLEY, Richard G.⁵, CATCHINGS, Rufus D.⁶ and MANKINEN, E.A.³, (1)US Geol Survey, 345 Middlefield Road, Menlo Park, CA 94025, (2)U.S. Geol Survey, 345 Middlefield Rd, Menlo Park, 94025, (3)U.S. Geol Survey, 345 Middlefield Road, Menlo Park, CA 94025, (4)US Geol Survey, 345 Middlefield Rd, MS 873, Menlo Park, CA 94025, (5)U.S. Geol Survey, 345 Middlefield Rd., MS 969, Menlo Park, CA 94025, (6)U.S. Geol Survey, 345 Middlefield Rd, MS-977, Menlo Park, CA 94025, zulanger@usgs.gov, zulanger@usgs.gov

3

GEOLOGIC CHARACTERIZATION OF RANGE-FRONT THRUST FAULTS, WESTERN MARGIN OF SANTA CLARA VALLEY, CALIFORNIA

SAYRE, Ted M., RUBIN, Ron S. and WALLACE, John M., Cotton, Shires & Assoc, Inc, 330 Village Lane, Los Gatos, CA 95030, tsayre@cottonshires.com, tsayre@cottonshires.com

4

DEMONSTRATING THAT THE 1989 LOMA PRIETA EARTHQUAKE DAMAGE IN SOUTHWESTERN SANTA CLARA VALLEY IS NON-RANDOMLY ALIGNED AND IS POSITIVELY ASSOCIATED WITH MAPPED LINEAMENTS

PHELPS, Geoffrey A., U.S. Geological Survey, 345 Middlefield Road, MS 989, Menlo Park, CA 94025 and SCHMIDT, Kevin, USGS, 345 Middlefield Rd, Menlo Park, CA 94025, gphelps@usgs.gov, gphelps@usgs.gov

5

SOUTHERN EXTENSION OF THE HAYWARD FAULT AND ITS RELATIONSHIP TO THE CALAVERAS AND SILVER CREEK FAULTS, NORTHERN CALIFORNIA

PONCE, D.A.¹, GRAYMER, R.W.¹, JACHENS, R.C.¹, WILLIAMS, R.A.², SIMPSON, R.W.¹, WENTWORTH, C.M.¹ and ROBERTS, C.W.¹, (1)US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025, (2)US Geol Survey, Denver Federal Center, Box 25046, Denver, CO 80225, ponce@usgs.gov, ponce@usgs.gov

6

HOLOCENE FAULT ACTIVITY ALONG THE SANTA CLARA VALLEY MARGIN, CALIFORNIA

RUBIN, Ron S., 330 Village Lane, Los Gatos, CA 95030, BORCHARDT, Glenn, Soil Tectonics, PO Box 5335, Berkeley, CA 94705-0335 and CONNELLY, Steven F., 390 Jackson Street, San Jose, CA 95112, rrubin@cottonshires.com, rrubin@cottonshires.com

7

RELATIONS BETWEEN ELASTIC WAVESPEEDS IN QUATERNARY ALLUVIUM IN THE SANTA CLARA VALLEY, CALIFORNIA

BROCHER, Thomas M. and WENTWORTH, Carl M., MS 977, US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025-3561, brocher@usgs.gov, brocher@usgs.gov

8

INVERSION FOR THE VELOCITY STRUCTURE OF THE SANTA CLARA VALLEY, CALIFORNIA

DOLENC, David¹, DREGER, Doug¹ and LARSEN, Shawn², (1)Berkeley Seismological Laboratory, UC Berkeley, 215 McCone Hall, Berkeley, CA 94720, (2)Earth Sciences Division, Lawrence Livermore National Lab, L-203, Livermore, CA 94551, dolenc@seismo.berkeley.edu, dolenc@seismo.berkeley.edu

9

SANTA CLARA VALLEY 3D GROUND MOTION STUDIES

HARTZELL, Stephen¹, HARMSEN, Stephen¹, FRANKEL, A.D.¹, WILLIAMS, Robert², CARVER, David¹, CHOY, George¹, ODUM, Jack K.³ and WORLEY, Dave², (1)U.S. Geol Survey, Box 25046, MS 966, Denver, CO 80225, (2)U.S. Geol Survey, P.O. Box 25046, MS-966, Denver, CO 80225-0046, (3)U.S. Geol Survey, Box 25046 MS-966, Denver, CO 80225, afrankel@usgs.gov, afrankel@usgs.gov

10

DERIVATION OF A PLEISTOCENE TOPOGRAPHIC SURFACE MAP AND A HOLOCENE DEPOSIT THICKNESS MAP FOR SANTA CLARA VALLEY, CALIFORNIA

GRAHAM, Scott E., US Geol Survey, 2255 N. Gemini Dr, Flagstaff, AZ 86001 and WENTWORTH, Carl M., US Geol Survey, 345 Middlefield Rd, MS 973, Menlo Park, CA 94025, sgraham@usgs.gov, sgraham@usgs.gov

11

THE PALEOMAGNETIC RECORD AS MEANS OF CORRELATING SEDIMENTARY SEQUENCES ENCOUNTERED IN RESEARCH WELLS OF THE SANTA CLARA VALLEY, CALIFORNIA

MANKINEN, Edward A., US Geol Survey, MS-937, 345 Middlefield Rd, Menlo Park, CA 94025-3591 and WENTWORTH, Carl M., US Geol Survey, 345 Middlefield Rd, MS 873, Menlo Park, CA 94025, emank@usgs.gov, emank@usgs.gov

12

COMPOSITION OF SEDIMENT FROM DEEP WELLS IN QUATERNARY ALLUVIUM, SANTA CLARA VALLEY, CALIFORNIA

ANDERSEN, David W., METZGER, Ellen P., RAMSTETTER, Nathan P. and SHOSTAK, Nancy C., Department of Geology, San Jose State Univ, San Jose, CA 95192-0102, andersen@geosun.sjsu.edu, andersen@geosun.sjsu.edu

13

THRUSTING AND MASS WASTING INTERPLAY ON THE BERROCAL FAULT, LOS GATOS, SANTA CLARA COUNTY, CALIFORNIA: IMPLICATIONS FOR GEOLOGIC HAZARD ZONING

FISHER, G. Reid and ANDERSON, Peter C., Pacific Geotechnical Engineering, 16055-D Caputo Drive, Morgan Hill, CA 95037, rfisher@pacific-geotechnical.com, rfisher@pacific-geotechnical.com

14

SERPENTINITES IN THE SAN JOSE AREA, CALIFORNIA

COLEMAN, R.G.¹, JACHENS, R.C.² and WENTWORTH, C.M.², (1)Geology, Stanford Univ, 2025 Camino Al Lago, Menlo Park, CA, 94027, (2)US Geol Survey, Menlo Park, CA 94025, coleman@pangea.stanford.edu, coleman@pangea.stanford.edu

15

GEOLOGIC AND GEOTECHNICAL CHARACTERIZATION OF SEDIMENT FOR LIQUEFACTION-INDUCED DEFORMATION HAZARD MAPS IN THE NORTHERN SANTA CLARA VALLEY, CA

ROSINSKI, Anne M., California Geological Survey, 185 Berry St., Ste 210, San Francisco, CA 94107, KNUDSEN, Keith L., California Geol Survey, 185 Berry Street, Ste 210, San Francisco, CA 94107, REAL, Charles R., California Geol Survey, 801 K Street, MS 12-31, Sacramento, CA 95814, WU, Jiaer, URS Corporation, 1333 Broadway, Ste 800, Oakland, CA 94612 and SEED, Raymond B., Dept. of Civil and Environmental Engineering, U. C. Berkeley, 414 Davis Hall, Berkeley, CA 94720-1710, anne.rosinski@conservation.ca.gov, anne.rosinski@conservation.ca.gov

16

LATE PLEISTOCENE TO HOLOCENE FOLD GROWTH ABOVE THE SERRA FAULT, NORTHERN SAN FRANCISCO PENINSULA, CALIFORNIA

KENNEDY, Drew G., Sanders & Associates Geostructural Engineering, 4180 Douglas Blvd., Suite 100, Granite Bay, CA 95746 and CASKEY, John, Department of Geosciences, San Francisco State Univ, 1600 Holloway Ave, San Francisco, CA 94132, dkennedy@sandersgeo.com, dkennedy@sandersgeo.com

17

THE GEOLOGIC AND TECTONIC SIGNIFICANCE OF PLEISTOCENE GRAVELS AND RELATED DEPOSITS, SOUTHEAST BAY AREA FOOTHILLS, CALIFORNIA

ALBERT, Keil A., HOLLAND, Peter and ANDERSEN, David W., Department of Geology, San Jose State Univ, San Jose, CA 95192-0102, kaalbert@geo-consultants.com, kaalbert@geo-consultants.com

18

BACKGROUND METALS IN SOIL AT THE STANFORD LINEAR ACCELERATOR CENTER, MENLO PARK, CALIFORNIA

CASTLE, Bruce E.¹, HARBAUGH, Dwight W.², NUCKOLLS, Helen M.², PEABODY, Carey E.¹ and WITEBSKY, Susan N.², (1)Erler & Kalinowski, Inc, 1870 Ogden Drive, Burlingame, CA 94010, (2)Stanford Linear Accelerator Ctr, 2575 Sand Hill Road, M/S 77, Menlo Park, CA 94025, bcastle@ekiconsult.com, bcastle@ekiconsult.com

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

T15. A New Three-Dimensional Look at the Geology, Geophysics, and Hydrology of the Santa Clara Valley, California: A Showcase of Urban Earth Science (Posters)