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2005 Salt Lake City Annual Meeting (October 16–19, 2005)

Session No. 122
Monday, 17 October 2005: 1:30 PM-5:30 PM

T146. Young and Active Transtensional Deformation along the Western Margin of North America: Walker Lane Belt/Eastern California Shear Zone to the Gulf of California

GSA Structural Geology and Tectonics Division; GSA Geophysics Division; GSA Quaternary Geology and Geomorphology Division

 

Paul Umhoefer and Jeffrey Lee, Advocates
Paper #
Start Time
1
1:30 PM
GULF OF CALIFORNIA AND EASTERN CALIFORNIA SHEAR ZONE – WALKER LANE BELTS: TWO MAJOR TRANSTENSIONAL BELTS IN THE GREATER PACIFIC – NORTH AMERICA PLATE BOUNDARY
UMHOEFER, Paul, Department of Geology, Northern Arizona University, Flagstaff, AZ 86011 and LEE, Jeffrey, Geological Sciences, Central Washington Univ, Ellensburg, WA 98926, paul.umhoefer@nau.edu, paul.umhoefer@nau.edu
2
1:50 PM
THE WALKER LANE AND GULF OF CALIFORNIA: RELATED EXPRESSIONS OF PACIFIC-NORTH AMERICAN PLATE BOUNDARY DEVELOPMENT
HENRY, Christopher D., Nevada Bureau of Mines and Geology, University of Nevada, MS 178, Reno, NV 89557 and FAULDS, James E., Nevada Bureau of Mines and Geology, University of Nevada Reno, Reno, NV 89557, chenry@unr.edu, chenry@unr.edu
3
2:10 PM
REFINEMENTS IN THE NEOGENE DEFORMATION BUDGET OF WESTERN NORTH AMERICA INCORPORATING UPDATES IN REGIONAL GEOLOGICAL STUDIES AND GLOBAL PLATE CIRCUITS
ATWATER, Tanya, Dept. Geological Sciences, U. C. S. B, 1006 Webb Hall, Santa Barbara, CA 93106 and STOCK, Joann, Div. Geological and Planetary Sciences, Calif. Inst. Tech, MC 252-21, Pasadena, CA 91125, atwater@geol.ucsb.edu, atwater@geol.ucsb.edu
4
2:30 PM
NEOGENE TECTONIC EVOLUTION OF THE MAGDALENA SHELF
GROVE, M.1, FLETCHER, John M.2, KIMBROUGH, David L.3, LOVERA, Oscar M.1 and KOHN, Barry P.4, (1)Earth and Space Sciences, UCLA, 3806 Geology, Los Angeles, CA 90095, (2)Departamento de Geologia, CICESE, Ensenada, 22800, Mexico, (3)Department of Geological Sciences, SDSU, San Diego, CA 92182-1020, (4)School of Earth Sciences, University of Melbourne, Victoria, 3010, Australia, marty@oro.ess.ucla.edu, marty@oro.ess.ucla.edu
5
2:45 PM
THE ROLE OF THE SAN JOSE ISLAND ACCOMMODATION ZONE IN THE OPENING OF THE SOUTHERN GULF OF CALIFORNIA
DRAKE, William R., Department of Geology, Northern Arizona University, Box 4099, Flagstaff, AZ 86011 and UMHOEFER, Paul, Department of Geology, Northern Arizona University, Flagstaff, AZ 86011, wrd2@dana.ucc.nau.edu, wrd2@dana.ucc.nau.edu
6
3:00 PM
RIFT-TO-DRIFT TRANSITION IN THE NORTHERN GULF OF CALIFORNIA
ARAGON-ARREOLA, Manuel and MARTÍN-BARAJAS, Arturo, Geologia, CICESE, Km 107 Carretera Tijuana-Ensenada, Ensenada, B.C, 28060, Mexico, maragon@cicese.mx, maragon@cicese.mx
 
3:15 PM
Break
7
3:30 PM
PLIOCENE (U-TH)/HE COOLING AGES FROM THE WEST SALTON DETACHEMENT SYSTEM (WSDS), SALTON TROUGH
SHIRVELL, Catherine R.1, AXEN, Gary J.1 and STOCKLI, Daniel F.2, (1)Dept. of Earth and Space Sciences, Univ. of California, Los Angeles, CA 90095-1567, (2)Dept. of Geology, Univ. of Kansas, Lawrence, KS 66045, shirvell@ucla.edu, shirvell@ucla.edu
8
3:45 PM
PLEISTOCENE (~1 MA) TRANSITION FROM WEST SALTON DETACHMENT FAULTING TO CROSS-CUTTING DEXTRAL STRIKE-SLIP FAULTS IN THE SW SALTON TROUGH
STEELY, Alexander N.1, JANECKE, Susanne U.1, AXEN, Gary2 and DORSEY, Rebecca J.3, (1)Dept. of Geology, 4505 Old Main Hill, Utah State University, Logan, UT 84322-4505, (2)Earth and Space Sciences, Univ of California Los Angeles, 594 Charles E Young Drive East, Los Angeles, CA 90095, (3)Dept. of Geological Sciences, 1272 University of Oregon, Eugene, OR 97403-1272, asteely@cc.usu.edu, asteely@cc.usu.edu
9
4:00 PM
HIGH GEOLOGIC SLIP RATES ON THE SAN JACINTO FAULT ZONE IN THE SW SALTON TROUGH, AND POSSIBLE NEAR-SURFACE SLIP DEFICIT IN SEDIMENTARY BASINS
JANECKE, Susanne U.1, KIRBY, Stefan1, LANGENHEIM, Victoria2, STEELY, Alexander N.1, DORSEY, Rebecca3, HOUSEN, Bernard4 and LUTZ, Andrew3, (1)Dept. of Geology, 4505 Old Main Hill, Utah State University, Logan, UT 84322-4505, (2)U.S. Geol Survey, 345 Middlefield Road, Menlo Park, CA 94025, (3)Geological Sciences, Univ of Oregon, Eugene, OR 97403-1272, (4)Geology, Western Washington Univ, Bellingham, WA 98225, sjanecke@cc.usu.edu, sjanecke@cc.usu.edu
10
4:15 PM
IS THERE A LINK BETWEEN THE MIGRATION OF THE MENDOCINO TRIPLE JUNCTION AND THE DEVELOPMENT OF THE WALKER LANE – EASTERN CALIFORNIA SHEAR ZONE?
FURLONG, Kevin P., Geosciences, Penn State Univ, 542 Deike Building, University Park, PA 16802, kevin@geodyn.psu.edu, kevin@geodyn.psu.edu
11
4:30 PM
STRAIN PARTITIONING ACROSS THE EASTERN CALIFORNIA SHEAR ZONE
LA FEMINA, Peter1, SCHMALZLE, Gina1, DIXON, Timothy2 and OLDOW, John3, (1)Marine Geology and Geophysics, Univeristy of Miami - Rosenstiel School of Marine and Atmospheric Sciences, 4600 Rickenbacker Causeway, Miami, FL 33149, (2)RSMAS-MGG, Univ of Miami, 4600 Rickenbacker Causeway, Miami, FL 33149, (3)Geological Sciences, University of Idaho, Moscow, 83844-3022, plafemina@rsmas.miami.edu, plafemina@rsmas.miami.edu
12
4:45 PM
MAGNITUDE OF STRIKE-SLIP DISPLACEMENT ALONG THE SOUTHERN DEATH VALLEY-FURNACE CREEK FAULT ZONE, DEATH VALLEY, CALIFORNIA
ÇEMEN, Ibrahim and BAUCKE, Wesley, School of Geology, Oklahoma State Univ, 105 Noble Research Center, Stillwater, OK 74078, icemen@okstate.edu, icemen@okstate.edu
13
5:00 PM
A MEASURE OF POST-MID-MIOCENE OFFSET ON THE STATELINE FAULT, CALIFORNIA AND NEVADA
GUEST, Bernard1, NIEMI, Nathan2 and WERNICKE, Brian2, (1)Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, (2)Division of Geological and Planetary Sciences, California Institute of Technology, Mail Stop 100-23, Pasadena, CA 91125, bguest@gps.caltech.edu, bguest@gps.caltech.edu
14
5:15 PM
Withdrawn
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