Session: New Geologic Research Along the Plate's Edge: The USGS Southern California Areal Mapping Project (SCAMP) (Posters) (2002 Denver Annual Meeting (October 27-30, 2002))

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NEW GEOLOGIC MAP OF THE SANTA BARBARA COASTAL PLAIN AREA, SOUTHERN CALIFORNIA, REFINES UNDERSTANDING OF LATE CENOZOIC DEFORMATION

MINOR, Scott A.¹, KELLOGG, Karl S.¹, STANLEY, Richard G.², STONE, Paul², POWELL II, Charles L.², GURROLA, Larry D.³, SELTING, Amy J.³ and BRANDT, Theodore R.¹, (1)US Geol Survey, PO Box 25046, MS 980, Denver, CO 80225, (2)U.S. Geol Survey, 345 Middlefield Rd., MS 969, Menlo Park, CA 94025, (3)Department of Geological Sciences, UC Santa Barbara, Santa Barbara, CA 93106, sminor@usgs.gov, sminor@usgs.gov

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AGE AND PALEOGEOGRAPHY OF THE SANTA BARBARA FORMATION IN THE SANTA BARBARA AND GOLETA QUADRANGLES, CALIFORNIA, BASED ON MOLLUSKS

POWELL II, Charles L.¹, STANLEY, Richard G.¹ and MINOR, Scott A.², (1)U.S. Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025, (2)U.S. Geol Survey, Denver, CO 80225, cpowell@usgs.gov, cpowell@usgs.gov

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EVALUATION OF COSMOGENIC ²¹NE SURFACE EXPOSURE AGES FROM A MID-LATE PLEISTOCENE ALLUVIAL FAN AND HOLOCENE DEBRIS FLOW, SANTA BARBARA, CA

LANDIS, Gary P.¹, GURROLA, Larry D.², SELTING, Amy J.² and MILLS-HERRING, Lavinia¹, (1)U.S. Geol Survey, MS 963, P.O.Box 25046, Denver Federal Center, Denver, CO 80225, (2)Geological Sciences, Univ of California Santa Barbara, Santa Barbara, CA 93106, g_landis@usgs.gov, g_landis@usgs.gov

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19

FAULT-BOUNDED NEOGENE SEDIMENTARY DEPOSITS IN THE SANTA ROSA MOUNTAINS, SOUTHERN CALIFORNIA: CRUSTAL STRETCHING OR TRANSPRESSIONAL UPLIFT?

MATTI, Jonathan C.¹, COX, Brett F.², MORTON, Douglas M.³, SHARP, R.V.¹ and KING, T.⁴, (1)US Geol Survey, 520 N Park Ave Ste 355, Tucson, AZ 85719-5035, (2)US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025-3561, (3)US Geol Survey, Department of Geological Sciences, University of California, Riverside, CA 92521, (4)Department of Geological Sciences, University of California, Riverside, CA 92521, jmatti@strider.swfo.arizona.edu, jmatti@strider.swfo.arizona.edu

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NEOGENE STRATA OF SOUTHERN SANTA ROSA MOUNTAINS, CALIFORNIA, AND THEIR SIGNIFICANCE FOR TECTONIC EVOLUTION OF WESTERN SALTON TROUGH

COX, B.F., U.S. Geological Survey, Menlo Park, 94025, MATTI, J.C., U.S. Geological Survey, Tucson, 85719, KING, T., Earth Sciences, U.C. Riverside, Riverside, 92521 and MORTON, D.M., U.S. Geological Survey, Earth Sciences, U.C. Riverside, Riverside, CA 92521, bcox@usgs.gov, bcox@usgs.gov

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PREVIOUSLY UNREPORTED OUTCROPS OF NEOGENE IMPERIAL FORMATION IN SOUTHERN SANTA ROSA MOUNTAINS, CALIFORNIA, AND IMPLICATIONS FOR TECTONIC UPLIFT

KING, Tom¹, COX, B.F.², MATTI, J.C.³, POWELL II, C.L.², OSTERMAN, L.E.⁴ and BYBELL, L.M.⁴, (1)Earth Sciences, University of California, Riverside, 92521, (2)U.S. Geol Survey, Menlo Park, 94025, (3)U.S. Geol Survey, Tucson, 85719, (4)U.S. Geol Survey, Reston, 20192, kingt@citrus.ucr.edu, kingt@citrus.ucr.edu

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SHRIMP U-PB AGES OF PROVENANCE FROM DETRITAL ZIRCON POPULATIONS OF INTRA-BATHOLITHIC METASEDIMENTARY ROCKS, N. PENINSULAR RANGES BATHOLITH, SOUTHERN CALIFORNIA: IMPLICATIONS FOR THEIR TECTONIC SETTING

PREMO, Wayne R.¹, MORTON, D.M.², SNEE, L.W.³ and BERN, A.M.³, (1)U.S. Geol Survey, MS 963, Box 25046, Denver Federal Center, Denver, CO 80225, (2)U.S. Geological Survey, Dept. Earth Sciences, Univ of California-Riverside, Riverside, CA 92521, (3)U.S. Geol Survey, Box 25046, Denver Federal Center, Denver, CO 80225, wpremo@usgs.gov, wpremo@usgs.gov

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PLUTONIC AND METAMORPHIC ROCKS, NORTHERN PENINSULAR RANGES BATHOLITH, SOUTHERN CA--STRUCTURAL AND UPLIFT HISTORY BASED ON NEW GEOBAROMETRIC AND ISOTOPIC DATA

BERN, A., U.S. Geological Survey, Box 25046, MS973, Denver Federal Center, Denver, CO 80225, HAMMARSTROM, J., U.S. Geological Survey, 974 National Center, 12201 Sunrise Valley Drive, Reston, VA 20192, MORTON, D., U.S. Geological Survey, Department of Earth Sciences, University of California, Riverside, CA 92521, PREMO, W., U.S. Geological Survey, Box 25046, MS963, Denver Federal Ctr, Denver, CO 80225 and SNEE, L., U.S. Geological Survey, Box 25046, MS 974, Denver Federal Ctr, Denver, CO 80225, amyjohns@usgs.gov, amyjohns@usgs.gov

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ADDITIONAL CHEMICAL TRENDS ACROSS THE NORTHERN PENINSULAR RANGES, SOUTHERN CALIFORNIA

CLAUSEN, Benjamin L, Geoscience Rsch Institute and Loma Linda Univ, Loma Linda, CA 92350, MORTON, Douglas M., US Geol Survey, Department of Geological Sciences, University of California, Riverside, CA 92521 and KISTLER, Ronald W., US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025-3561, bclausen@lasierra.edu, bclausen@lasierra.edu

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STRUCTURE OF THE SAN GORGONIO PASS REGION, SOUTHERN CALIFORNIA, BASED ON ANALYSIS OF GRAVITY AND MAGNETIC DATA

LANGENHEIM, Victoria E.¹, JACHENS, Robert C.¹, MATTI, Jonathan C.², MORTON, Douglas M.³ and CHRISTENSEN, Allen H.⁴, (1)U.S. Geol Survey, 345 Middlefield Road MS 989, Menlo Park, CA 94025, (2)US Geol Survey, Tucson, AZ, (3)USGS, Department of Geological Sciences, University of California at Riverside, Riverside, CA 92521, (4)U. S Geol Survey, 5735 Kearny Villa Road, San Diego, CA 92123, zulanger@usgs.gov, zulanger@usgs.gov

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LOCKWOOD VALLEY, CALIFORNIA—A RESULT OF PLIOCENE AND QUATERNARY BASIN CONTRACTION BETWEEN THREE MOUNTAIN UPLIFTS

KELLOGG, Karl S.¹, MINOR, Scott A.¹ and STONE, Paul², (1)US Geol Survey, PO Box 25046, Denver, CO 80225-0046, (2)US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025-3561, kkellogg@usgs.gov, kkellogg@usgs.gov

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SOIL GEOMORPHOLOGY OF THE NORTH FLANK OF THE SAN BERNARDINO MOUNTAINS, CALIFORNIA: A SUMMARY OF INTERACTIONS AND FEEDBACKS BETWEEN SOIL DEVELOPMENT AND LANDSCAPE EVOLUTION AT VARIOUS TEMPORAL AND SPATIAL SCALES

EPPES, M.C., Geography and Earth Sciences, Univ of North Carolina, Charlotte, 9201 University City Blvd, Charlotte, NC 28223-0001, MCFADDEN, L.D., Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, MATTI, J., U.S.Geol Survey, Tucson, AZ 85719 and POWELL, R., U.S. Geol Survey, Spokane, WA 99201, meppes@unm.edu, meppes@unm.edu

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GEOLOGIC MAP AND DIGITAL DATA BASE OF THE OCEANSIDE 30'X60' QUADRANGLE, CALIFORNIA

KENNEDY, Michael P., California Geological Survey, Geosciences Research Division, U.C. San Diego MS 0220, La Jolla, CA 92093, TAN, Siang S., California Geological Survey, 655 South Hope Street, Los Angeles, CA 90017 and CLARKE, Samuel H., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, mpkennedy@ucsd.edu, mpkennedy@ucsd.edu

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A NEW INTERPRETATION OF THE WESTERN BIG PINE AND PINE MOUNTAIN FAULTS AS A SINGLE TECTONIC BOUNDARY STRUCTURE ACCOMMODATING LARGE MAGNITUDE VERTICAL-AXIS ROTATIONS IN SOUTHERN CALIFORNIA

ONDERDONK, Nate W. and SYLVESTER, Arthur G., Geological Sciences, Univ of California, Santa Barbara, CA 93106, arthur@geol.ucsb.edu, arthur@geol.ucsb.edu

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GEOLOGIC MAPPING OF THE SAN RAFAEL MTN. QUADRANGLE, SANTA BARBARA COUNTY, CALIFORNIA, REVEALS AN OLDER CAMUESA FAULT

STANLEY, Richard G., U.S. Geol Survey, 345 Middlefield Rd., MS 969, Menlo Park, CA 94025 and VEDDER, John G., U.S. Geological Survey, 345 Middlefield Rd., MS 999, Menlo Park, CA 94025, rstanley@usgs.gov, rstanley@usgs.gov