Session: Structure and Tectonics (Posters) (Rocky Mountain (56th Annual) and Cordilleran (100th Annual) Joint Meeting (May 3

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BASMAP (BASEMENT AGE AND STRUCTURE MAP): PROTOTYPE GIS DATABASE OF CRUSTAL GEOLOGY IN THE SOUTHERN ROCKY MOUNTAIN REGION

SHAW, Colin A., DAYTON, Ryan N., FELL, Christopher D., FORMOLO, Scott D., NISS, Kari M. and PACE-GRACZYK, Kali J., Geology, Univ of Wisconsin, Eau Claire, 105 Garfield Ave, Eau Claire, WI 54702-4004, shawca@uwec.edu, shawca@uwec.edu

2

25

MIDDLE ORDOVICIAN AND EARLY DEVONIAN METAMORPHIC AND DEFORMATION EVENTS IN THE LOMA DE LAS CHACRAS, SIERRAS PAMPEANAS, SAN JUAN PROVINCE, WESTERN ARGENTINA

CAIN IV, Joseph C., Geology, Univ of California, Davis, One Shields Ave, Davis, CA 95616, ROESKE, Sarah, Geology Department, University of California, Davis, One Shields Avenue, Davis, CA 95616, MCCLELLAND, William C., Geological Sciences, Univ of Idaho, Moscow, ID 83844-3022 and IRIONDO, Alexander, US Geol Survey, Denver Federal Center, PO Box 25046, MS 974, Denver, CO 80225, cain@geology.ucdavis.edu, cain@geology.ucdavis.edu

3

26

EVOLUTION OF YUKON-TANANA TERRANE IN THE STEWART RIVER AREA, WESTERN YUKON

GORDEY, Steven P.¹, RYAN, Jim J.¹, VILLENEUVE, Mike E.² and PIERCEY, Stephen J.³, (1)Geological Survey of Canada, 101-605 Robson Street, Vancouver, BC V6B 5J3, (2)Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, (3)Department of Earth Sciences, Laurentian University, Ramsay Lake Road, Sudbury, ON P3E 2C6, sgordey@nrcan.gc.ca, sgordey@nrcan.gc.ca

4

27

REVISED STRUCTURE AND STRATIGRAPHY OF THE CHILLIWACK GROUP ON BLACK MOUNTAIN, WASHINGTON STATE

CARLISLE, Maureen H., Burke Museum, Univ of Washington, Box 353010, Seattle, WA 98195-301, carlisle@conceptsnet.com, carlisle@conceptsnet.com

5

28

TECTONO-STRATIGRAPHIC ARCHITECTURE OF UPPER TRIASSIC THROUGH MIDDLE JURASSIC STRATA IN EASTERN OREGON: IMPLICATIONS FOR TECTONIC EVOLUTION OF THE BLUE MOUNTAINS

LAMASKIN, Todd A., Department of Geological Sciences, Univ of Oregon, 1272 University of Oregon, Eugene, OR 97403, DORSEY, Rebecca J., Geological Sciences, Univ of Oregon, 1272 University of Oregon, Eugene, OR 97403 and NORTHRUP, Clyde J., Dept of Geosciences, Boise State Univ, Boise, ID 83725, tlamaski@darkwing.uoregon.edu, tlamaski@darkwing.uoregon.edu

6

29

PETROGRAPHY, PROVENANCE, AND FURTHER AGE CONTROL OF THE GALICE FORMATION, KLAMATH MOUNTAINS, OREGON-CALIFORNIA

MACDONALD Jr, James H.¹, HARPER, Gregory D.¹, MILLER, Jonathan² and ZHU, Bin¹, (1)DEAS, Univ at Albany, ES 351, 1400 washington ave, Albany, NY 12222, (2)Department of Geology, San Jose State Univ, San Jose, CA 95192-0102, macdonal@atmos.albany.edu, macdonal@atmos.albany.edu

7

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CRETACEOUS(?) SYNCONTRACTIONAL EXTENSION IN THE SEVIER OROGEN, SOUTHWESTERN MONTANA

LONN, Jeffrey D. and MCDONALD, Catherine, Montana Bureau of Mines and Geology, Montana Tech, Butte, MT 59701, jefflonn@lycos.com, jefflonn@lycos.com

8

31

SEISMIC AND GRAVITY INVESTIGATION OF SEDIMENT DEPTH, BEDROCK TOPOGRAPHY, AND FAULTING IN THE TERTIARY DRUMMOND-HALL BASIN, WESTERN MONTANA

STALKER, Jeremy C., Department of Geology, Univ of Montana, Missoula, MT 59812 and SHERIFF, Steven D., Department of Geology, Univ of Montana, Missoula, MT 59812-1296, jeremy_stalker@hotmail.com, jeremy_stalker@hotmail.com

9

32

LARAMIDE PALEOSEISMITES IN THE CLARK'S FORK BASIN, MONTANA AND WYOMING

BALLANTYNE, Heather¹, STEWART, Kevin¹ and BARTHOLOMEW, Mervin J.², (1)Dept. of Geological Sciences, Univ of North Carolina, Chapel Hill, NC 27599, (2)Earth Sciences, Univ of Memphis, Memphis, TN 38152, hballant@email.unc.edu, hballant@email.unc.edu

10

33

REORGANIZATION OR INITIATION OF THE SAN JACINTO FAULT ZONE AT 1 MA: EVIDENCE FROM SYNTECTONIC DEPOSITS IN THE SAN FELIPE HILLS, WESTERN SALTON TROUGH, CA

KIRBY, Stefan M., Dept. of Geology, Utah State Univ, Logan, UT 84322-4505, JANECKE, Susanne, Utah State Univ, Logan, UT 84322, DORSEY, Rebecca J., Geological Sciences, Univ of Oregon, 1272 University of Oregon, Eugene, OR 97403 and LAYMAN, Erik B., Layman Energy Associates, Inc, San Luis Obispo, CA 93405, smkirby@cc.usu.edu, smkirby@cc.usu.edu

11

34

EVIDENCE FOR LATE MIOCENE-QUATERNARY LOW-ANGLE OBLIQUE STRIKE-SLIP FAULTING ON THE WEST SALTON DETACHMENT FAULT, SOUTHERN CALIFORNIA

STEELY, Alex N., Geology, Utah State Univ, Logan, UT 84322-4505, JANECKE, Susanne, Utah State Univ, Logan, UT 84322, DORSEY, Rebecca J., Geological Sciences, Univ of Oregon, 1272 University of Oregon, Eugene, OR 97403 and AXEN, Gary, Earth and Space Sciences, Univ of California Los Angeles, 594 Charles E Young Drive East, Los Angeles, CA 90095, asteely@cc.usu.edu, asteely@cc.usu.edu

12

35

STRUCTURE AND MAGMATIC EVOLUTION OF THE NORTHERN BLACK ROCK RANGE, NEVADA: PREPARATION FOR A WIDE-ANGLE REFRACTION/REFLECTION SURVEY

LERCH, Derek W.¹, MCWILLIAMS, Michael O.¹, MILLER, Elizabeth L.² and COLGAN, Joseph P.¹, (1)Geological and Environmental Sciences, Stanford Univ, Stanford, CA 94305-2115, (2)Geological and Environmental Sciences, Stanford Univ, Stanford, CA 94305, lerch@pangea.stanford.edu, lerch@pangea.stanford.edu

13

36

EXTENT, STYLE AND AGE OF BASIN AND RANGE FAULTING EAST OF PYRAMID LAKE

WHITEHILL, Caroline S., MILLER, Elizabeth L., COLGAN, Joseph P., DUMITRU, Trevor A., LERCH, Derek and MCWILLIAMS, Michael O., Geological and Environmental Sciences, Stanford Univ, 450 Serra Mall, Stanford, CA 94305-2115, cswhitehill@geo.stanford.edu, cswhitehill@geo.stanford.edu

14

37

MIDDLE MIOCENE PALEOGEOGRAPHY OF THE EASTERN LAKE MEAD REGION, NORTHWEST ARIZONA, BASED ON CONGLOMERATES IN TWO SMALL EXTENSIONAL BASINS

BLYTHE, Nathan O.¹, DUEBENDORFER, Ernest M.¹ and UMHOEFER, Paul J.², (1)Department of Geology, Northern Arizona Univ, Box 4099, Flagstaff, AZ 86011, (2)Department of Geology, Northern Arizona Univ, Box 4099, Northern Arizona University, Flagstaff, AZ 86011, nob@dana.ucc.nau.edu, nob@dana.ucc.nau.edu

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GEOCHEMISTRY AND GEOCHRONOLOGY OF NEOGENE BASALTS ALONG THE COALDALE FAULT, CENTRAL WALKER LANE BELT, NEVADA

WINTERS, Nathan D.¹, STOCKLI, Daniel F.² and BRADLEY, David B.², (1)Department of Geology, Univ of Kansas, 120 Lindley Hall, 1475 Jayhawk Blvd, Lawrence, KS 66045, (2)Geology Department, Univ of Kansas, Lawrence, KS 66045, ndwjhawk@ku.edu, ndwjhawk@ku.edu

16

39

DETACHMENT FAULTING IN LOWER PALEOZOIC ROCKS, WHITE PINE RANGE, EAST CENTRAL NEVADA

LACY, B. and FRANCIS, Robert D., Department of Geological Sciences, California State Univ at Long Beach, 1250 Bellflower Boulevard, Long Beach, CA 90840, rfrancis@csulb.edu, rfrancis@csulb.edu

17

40

COALESCING DETACHMENT FAULTS IN THE CURRANT GAP AREA OF THE WHITE PINE RANGE, EAST CENTRAL NEVADA; AN ALTERNATIVE TO THE CURRANT SUMMIT STRIKE SLIP FAULT

FRANCIS, Robert D.¹, WALKER, Charles T.¹, LACY, Tor B.¹, HALLINGER, Donald E.², GRANNELL, Roswitha B.¹, FERRY, David W.³ and GWINN, Kevin R.⁴, (1)Department of Geological Sciences, California State Univ at Long Beach, 1250 Bellflower Boulevard, Long Beach, CA 90840, (2)Earth Science Department, Cerritos College, 11110 Alondra Blvd, Norwalk, CA 90650, (3)Department of Geology, Orange Coast College, 2701 Fairview Rd, Costa Mesa, CA 92628, (4)Long Beach City College, 4901 E. Carson St, Long Beach, CA 90808, rfrancis@csulb.edu, rfrancis@csulb.edu

18

41

KINEMATICS OF FAULTS IN THE HERRICK STOCK, NORTHERN IDAHO, AND IMPLICATIONS FOR THE MOVEMENT HISTORY OF THE LEWIS AND CLARK FAULT ZONE

MCMACKEN, Wayne P., Geology, Eastern Washington Univ, Science Complex 130, Cheney, WA 99004 and DOUGHTY, P. Ted, Department of Geology, Eastern Washington Univ, 130 Science Hall, Cheney, WA 99004-2439, mcmacken@icehouse.net, mcmacken@icehouse.net

19

42

LITHOLOGIC RELATIONS AND THE STRUCTURAL ARCHITECTURE OF THE WHITE RIVER SHEAR ZONE, NORTH CASCADE MOUNTAINS, WA

RASZEWSKI, Doug and MAGLOUGHLIN, J.F., Geosciences, Colorado State Univ, Natural Resources Building, Fort Collins, CO 80523, rasz@cnr.colostate.edu, rasz@cnr.colostate.edu

20

43

GEOMORPHIC EVIDENCE OF DIFFERENTIAL UPLIFT OF MIDDLE AND LATE PLEISTOCENE MARINE TERRACES IN MENDOCINO COUNTY, NORTHERN CALIFORNIA

TRENCH, David G.¹, MERRITTS, Dorothy² and LEONARD, Eric¹, (1)Department of Geosciences, Colorado College, Colorado Springs, CO 80903, (2)Department of Geosciences, Franklin and Marshall College, Lancaster, PA 17604-3003, d_trench@coloradocollege.edu, d_trench@coloradocollege.edu

21

44

GEOMORPHIC AND STRUCTURAL FEATURES OF THE CREEPING SAN ANDREAS FAULT AND LONG TERM CREEP RATE, FLOOK RANCH, BITTERWATER VALLEY, CA

SWANSON, Karl R.¹, CASHMAN, Susan M.¹ and BALDWIN, John N.², (1)Dept. of Geology, Humboldt State Univ, Arcata, CA 95521, (2)William Lettis & Associates, Inc, Walnut Creek, CA 94596, krs3@humboldt.edu, krs3@humboldt.edu

Rocky Mountain (56th Annual) and Cordilleran (100th Annual) Joint Meeting (May 3–5, 2004)

Structure and Tectonics (Posters)