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Cordilleran Section - 98th Annual Meeting (May 13–15, 2002)

Session No. 16
Tuesday, 14 May 2002: 8:00 AM-12:00 PM

T5. Architecture of Cascadia: A Synthesis of New Geologic and Geophysical Mapping in the Forearc (Posters)

Northwest Energy Association of AAPG

Authors will be present from .

 

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GEOLOGIC MAP OF WASHINGTON--NORTHWEST QUADRANT
DRAGOVICH, Joe D.1, LOGAN, Robert L.2, SCHASSE, Henry W.2, WALSH, Timothy J.2, LINGLEY Jr, William S.3, NORMAN, David K.2, GERSTEL, Wendy J.4, LAPEN, Thomas J.1 and SCHUSTER, J. Eric1, (1)Washington Department of Natural Resources, Division of Geology and Earth Resources, P.O. Box 47007, Olympia, WA 98504-7007, (2)Washington Department of Natural Resources, Division of Geology and Earth Resources, P. O. Box 47007, Olympia, WA 98504-7007, (3)Washington Division of Geology and Earth Resources, Box 47007, Olympia, WA 98504-7007, (4)WA State Dept. of Nat Rscs, P.O. Box 47016, Olympia, WA 98504-7016, tim.walsh@wadnr.gov, tim.walsh@wadnr.gov
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HIGH-RESOLUTION PUBLIC-DOMAIN TOPOGRAPHY FOR WESTERN WASHINGTON: THE PUGET SOUND LIDAR CONSORTIUM
HAUGERUD, Ralph A., U.S. Geological Survey, Dept. Earth & Space Sciences, University of Washington, Box 351310, Seattle, WA 98195, rhaugerud@usgs.gov, rhaugerud@usgs.gov
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GEOLOGIC MAP OF THE NORTH CASCADES, WASHINGTON: PROGRESS REPORT ON A COMPILATION
TABOR, Rowland W., U.S. Geol Survey MS 975, 345 Middlefield Road, Menlo Park, CA 94025 and HAUGERUD, Ralph A., U.S. Geol Survey, Dept. Earth and Space Sciences, University of Washington, Box 351310, Seattle, WA 98195, rtabor@usgs.gov, rtabor@usgs.gov
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STATUS AND FINDINGS FROM 1:24,000 SCALE GEOLOGIC MAPPING IN THE PUGET LOWLAND, WA
TROOST, Kathy Goetz1, BOOTH, Derek B.1, HAUGERUD, Ralph A.2, BORDEN, Richard K.3 and BARNETT, Elizabeth2, (1)Department of Earth and Space Sciences, Univ of Washington, Box 351310, Seattle, WA 98195-1310, (2)US Geological Survey, Dept. Earth & Space Sciences, University of Washington, Box 351310, Seattle, WA 98195, (3)3644 Yosemite Dr, Salt Lake City, UT 84109-2365, ktroost@u.washington.edu, ktroost@u.washington.edu
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GEOLOGIC MAPPING AT 1:12,000 SCALE ACROSS THE CITY OF SEATTLE
BOOTH, Derek B., TROOST, Kathy Goetz and SHIMEL, Scott A., Department of Earth and Space Sciences, Univ of Washington, Box 351310, Seattle, WA 98195-1310, dbooth@u.washington.edu, dbooth@u.washington.edu
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SPATIAL DATABASE FOR ENHANCED GEOLOGIC MAPPING IN SEATTLE, WA
BLOUKE, Kristen J.1, SHIMEL, Scott A.2, TROOST, Kathy Goetz2, O'NEAL, Michael A.3 and BOOTH, Derek B.2, (1)Earth and Space Sciences, Univ of Washington, Box 351310, Seattle, WA 98195-1310, (2)Department of Earth and Space Sciences, Univ of Washington, Box 351310, Seattle, WA 98195-1310, (3)Department of Earth and Space Sciences, Univ of Washington, Box 351310, Seattle, WA 98195, ktroost@u.washington.edu, ktroost@u.washington.edu
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GEOLOGIC MAPPING OF THE SEQUIM, CARLSBORG AND MORSE CREEK 7.5-MINUTE QUADRANGLES, NORTHEAST OLYMPIC PENINSULA, WASHINGTON STATE
SCHASSE, Henry W., POLENZ, Michael and WEGMANN, Karl W., Division of Geology & Earth Resources, Washington State Department of Nat Rscs, PO Box 47007, Olympia, WA 98504-7007, hank.schasse@wadnr.gov, hank.schasse@wadnr.gov
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8
A TURBIDITE SERIES IN THE CRESCENT FORMATION, OLYMPIC PENINSULA, WA
BEAULIEU, Elizabeth, Geology Dept, Univ. of Puget Sound, Univ of Puget Sound, Tacoma, WA 98416 and CLARK, Kenneth, geology, Univ of Puget Sound, Tacoma, WA 98406, lizbeaulieu@hotmail.com, lizbeaulieu@hotmail.com
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GEOLOGIC STRUCTURE OF SOUTHERN PUGET SOUND REVEALED THROUGH DETAILED GROUND MAGNETIC AND GRAVITY SURVEYS
MAGSINO, Sammantha L.1, PALMER, Stephen P.2 and WALSH, Timothy J.1, (1)Washington Department of Natural Resources, Division of Geology and Earth Resources, P.O. Box 47007, Olympia, WA 98504-7007, (2)Washington Department of Natural Resources, Divsion of Geology and Earth Resources, P.O. Box 47007, Olympia, WA 98504-7007, sammantha.magsino@wadnr.gov, sammantha.magsino@wadnr.gov
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A SIMPLE ALGORITHM FOR SEQUENTIALLY INCORPORATING GRAVITY TO ENHANCE SEISMIC TRAVELTIME TOMOGRAPHY: APPLICATION TO THE UPPER-CRUSTAL STRUCTURE IN PUGET LOWLAND, WASHINGTON
BROCHER, Thomas M., MS 977, US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025-3561, PARSONS, Tom, MS 999, US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025-3591 and BLAKELY, Richard J., MS 989, US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025, brocher@andreas.wr.usgs.gov, brocher@andreas.wr.usgs.gov
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GEOLOGIC CROSS SECTIONS THROUGH THE ROSEBURG 30’ X 60’ QUADRANGLE, OREGON: NEW CONSTRAINTS FROM POTENTIAL FIELD MODELING
DUROSS, Christopher B.1, BLAKELY, Richard J.2 and WELLS, Ray E.2, (1)Geology and Geophysics, Univ of Utah, Salt Lake City, UT 84105, (2)US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025-3561, cbduross@hotmail.com, cbduross@hotmail.com
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THE BUMP AND GRIND OF CASCADIA FOREARC BLOCKS: EVIDENCE FROM GRAVITY AND MAGNETIC ANOMALIES
BLAKELY, Richard J.1, WELLS, Ray E.2, WEAVER, Craig S.3, MEAGHER, Karen L.3 and LUDWIN, Ruth4, (1)MS 989, U.S. Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025, (2)US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025-3561, (3)U.S. Geol Survey, Box 351310, University of Washington, Seattle, Seattle, WA 98195, (4)Dept. of Earth and Space Sciences, Box 351310, University of Washington, Seattle, Seattle, WA 98195, blakely@usgs.gov, blakely@usgs.gov
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BEDROCK ARCHITECTURE, NATURAL RESOURCES, AND GEOLOGIC HAZARDS OF NE PART OF THE OREGON COAST RANGE FOREARC
NIEM, Alan R., Geosciences, Oregon State Univ, 104 Wilkinson Hall, Corvallis, OR 97331 and NIEM, Wendy A., Dept. of Geosciences, Oregon State Univ, 104 Wilkinson Hall, Corvallis, OR 97331-5506, niema@geo.orst.edu, niema@geo.orst.edu
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AN EXAMPLE OF LATE EOCENE/EARLY OLIGOCENE SEA FLOOR TOPOGRAPHY IMAGED BY 3D SEISMIC DATA, MIST GAS FIELD, AND IN OUTCROP, N. COAST RANGE, OREGON
MEYER, H. Jack, Gas Storage Department, NW Nat, 220 NW Second Ave, Portland, OR 97209 and NIEM, Alan R., Geosciences, Oregon State Univ, 104 Wilkinson Hall, Corvallis, OR 97331, h2m@nwnatural.com, h2m@nwnatural.com
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COMPLEX RIGHT-LATERAL FAULTING AT THE NORTHERN END OF THE PORTLAND BASIN: GEOLOGIC, AEROMAGNETIC, AND PALEOMAGNETIC EVIDENCE
EVARTS, Russell C.1, HAGSTRUM, Jonathan T.2, BLAKELY, Richard J.2, FLECK, Robert J.2, BLOCK, Jessica L.2 and DINTERMAN, Philip A.2, (1)U.S. Geological Survey, 345 Middlefield Rd, Menlo Park, CA 94025, (2)US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025, revarts@usgs.gov, revarts@usgs.gov
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16
BASALT OF HUNTZINGER, ASOTIN MEMBER OF SADDLE MOUNTAINS BASALT, COLUMBIA RIVER BASALT GROUP (CRBG) IDENTIFIED IN WESTERN WASHINGTON
BEESON, Marvin H., Geology Department, Portland State Univ, P.O. Box 751, Portland, OR 97207 and TOLAN, Terry L., Kennedy/Jenks Consultants, 1020 N. Ceter Parkway, Suite F, Kennewick, WA 99336, m.h.beeson@att.net, m.h.beeson@att.net
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THE BORING VOLCANIC FIELD OF THE PORTLAND, OREGON AREA: GEOCHRONOLOGY AND NEOTECTONIC SIGNIFICANCE
FLECK, R. J.1, EVARTS, R. C.2, HAGSTRUM, J. T.2 and VALENTINE, M. J.3, (1)US Geol Survey, Menlo Park, CA 94025, (2)U.S. Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025, (3)Geology Dept, Univ. Puget Sound, Tacoma, WA 98416, fleck@usgs.gov, fleck@usgs.gov
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TREE-RING ANALYSIS OF SUBFOSSIL TREES FROM THE BONNEVILLE LANDSLIDE DEPOSIT AND THE "SUBMERGED FOREST OF THE COLUMBIA RIVER GORGE" DESCRIBED BY LEWIS AND CLARK
PRINGLE, Patrick T., Washington Dept. of Natural Resources, Div. of Geology, PO Box 47007, Olympia, WA 98504-7007, O'CONNOR, Jim E., USGS, 10615 SE Cherry Blossom Dr, Portland, OR 97216-3103, SCHUSTER, Robert L., US Geological Survey, Box 25046 MS 966, Denver, CO 80225, REYNOLDS, Nathaniel D., US Forest Service, Gifford Pinchot National Forest, 10600 NE 51st. Circle, Vancouver, WA 98682 and BOURDEAU, Alex C., US Fish and Wildlife Service, Region 1 Cultural Resources, Sherwood, OR 97140, pat.pringle@wadnr.gov, pat.pringle@wadnr.gov
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