2002 Denver Annual Meeting (October 27-30, 2002)

Session No. 223
Wednesday, 30 October 2002: 1:30 PM-5:30 PM

Tectonics II: Convergent Margins

 

Andrew D. Hanson and Jennifer Matzel, Chairs
Paper #
Start Time
1
1:30 PM
THE ACTIVE DETACHMENT OF TAIWAN ILLUMINATED BY SMALL EARTHQUAKES: CRITICAL-TAPER WEDGE MECHANICS AND CONTROL OF FIRST-ORDER TOPOGRAPHY
CARENA, Sara1, SUPPE, John1 and KAO, Honn2, (1)Geosciences, Princeton Univ, Guyot Hall, Princeton, NJ 08544, (2)Institute of Earth Sciences, Academia Sinica, P.O.Box 1-55, Nankang, Taipei, 115, Taiwan, scarena@princeton.edu, scarena@princeton.edu
2
1:45 PM
STRIKE-SLIP FAULTING IN THE CORE OF THE CENTRAL RANGE OF NEW GUINEA: AFTERMATH OF COLLISIONAL DELAMINATION
SAPIIE, Benyamin, Teknik Geologi, Institut Teknologi Bandung, Bandung, Indonesia and CLOOS, Mark, Geological Sciences, Univ of Texas at Austin, Austin, TX 78712, cloos@mail.utexas.edu, cloos@mail.utexas.edu
3
2:00 PM
LATE CENOZOIC RIGHT-LATERAL MOVEMENT ALONG THE WENQUAN FAULT AND ASSOCIATED DEFORMATION: IMPLICATIONS ON KINEMATIC HISTORY OF THE QSIDAM BASIN, NORTHEASTERN TIBETAN PLATEAU
WANG, Erchie1, FAN, Weiming1, ZHAI, Mingguo1 and BURCHFIEL, B.C.2, (1)Institute of Geology and Geophyiscs, Chinese Academy of Sciences, P. O. Box 9825, Beijing, 100029, China, (2)Department of EAPS, M.I.T, Cambridge, MA 02139, ,
4
2:15 PM
TECTONIC CONFIGURATION OF THE BENGAL BASIN: MIOCENE JUXTAPOSITION WITH ASSAM, INDIA
UDDIN, Ashraf, Department of Geology and Geography, Auburn Univ, 210 Petrie Hall, Auburn, AL 36849, BURCHFIEL, B. Clark, Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 1010 Green Building, Cambridge, MA 02139, GEISSMAN, John W., Earth and Planetary Sciences, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131-1116 and LUNDBERG, Neil, Department of Geological Sciences, Florida State Univ, 108 Carraway Building, Tallahassee, FL 32306-4100, uddinas@auburn.edu, uddinas@auburn.edu
5
2:30 PM
THE SOUTHWESTERN QINLING SHAN OF CENTRAL CHINA: A LATE PALEOZOIC SUBDUCTION/ACCRETIONARY WEDGE SYSTEM AND CONTINENTAL ARC/FOREARC CONSTRUCTED UPON THE NORTH-FACING DEVONIAN PASSIVE MARGIN OF THE SOUTH CHINA BLOCK
HANSON, Andrew D.1, YAN, Quanren2, DRUSCHKE, Peter A.1 and WANG, Zhongqi2, (1)Dept. of Geoscience, Univ of Nevada Las Vegas, 4505 South Maryland Parkway, Box 454010, Las Vegas, NV 89154-4010, (2)Institute of Geology, Chinese Academy of Geol Sciences, 26 Baiwanzhuang Road, Xicheng District, Beijing, 100037, China, andrewh@unlv.edu, andrewh@unlv.edu
6
2:45 PM
ACCOMMODATING FOREARC SLIVER TRANSPORT IN NICARAGUA
LA FEMINA, Peter C.1, DIXON, Timothy H.1 and STRAUCH, Wilfried2, (1)Division of Marine Geology and Geophysics, Univeristy of Miami-RSMAS, 4600 Rickenbacker Cswy, Miami, FL 33149, (2)Instituto Nicaraguense de Estudio Territoriales, Managua, Nicaragua, plafemina@rsmas.miami.edu, plafemina@rsmas.miami.edu
7
3:00 PM
TECTONOSTRATIGRAPHIC RELATIONSHIPS AND STRUCTURAL EVOLUTION OF THE WESTERN MARGIN OF THE SIERRA DE PIE DE PALO, CUYANIA (PRECORDILLERA) TERRANE, ARGENTINA
VAN STAAL, Cees R.1, VUJOVICH, Graciela I.2 and DAVIS, Bill1, (1)Geol Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada, (2)Department of Geology, Univ of Buenos Aires-CONICET, Ciudad Universitaria 1428, Buenos Aires, Argentina, cvanstaa@nrcan.gc.ca, cvanstaa@nrcan.gc.ca
 
3:15 PM
Break
8
3:30 PM
LATEST CRETACEOUS TO EARLY EOCENE RENEWED SHORTENING IN THE INTERIOR OF THE SEVIER-LARAMIDE OROGEN: INSITU TH-PB ION MICROPROBE DATING OF MONAZITE
WELLS, Michael L., Dept. of Geoscience, UNLV, 4505 Maryland Parkway, Las Vegas, NV 89154-4010 and HOISCH, Thomas D., Dept. of Geology, NAU, Flagstaff, AZ 86011, mlwells@unlv.edu, mlwells@unlv.edu
9
3:45 PM
IMPACT OF THE REMOVAL OF SUB-SIERRA NEVADA ECLOGITIC ROOT UPON THE BASIN AND RANGE, COAST RANGES, AND SAN ANDREAS FAULT, CALIFORNIA
JONES, Craig H.1, FARMER, G. Lang1 and UNRUH, Jeffrey R.2, (1)Univ Colorado - Boulder, PO Box 399, Boulder, CO 80309-0399, (2)Lettis & Assoc., Inc, 1777 Botelho Dr., Suite 262, Walnut Creek, CA 94596, cjones@terra.colorado.edu, cjones@terra.colorado.edu
10
4:00 PM
CRUSTAL-SCALE STRUCTURE BENEATH THE NORTHWESTERN SACRAMENTO VALLEY INTERPRETED FROM SEISMIC REFLECTION DATA: IMPLICATIONS FOR ANCESTRAL WESTERN CALIFORNIA CONVERGENT MARGIN TECTONICS
UNRUH, Jeffrey R., Lettis & Assoc., Inc, 1777 Botelho Dr., Suite 262, Walnut Creek, CA 94596 and O'CONNELL, Daniel R.H., U.S. Bureau of Reclamation, PO Box 25007 D-8330, Denver, CO 80225, unruh@lettis.com, unruh@lettis.com
11
4:15 PM
“SALMON TECTONICS” AS A POSSIBLE EXPLANATION FOR LARAMIDE SEDIMENTATION AND UNDERPLATING OF SCHIST IN SOUTHERN CALIFORNIA AND SOUTHWESTERN ARIZONA
JACOBSON, Carl E.1, GROVE, Marty2, BARTH, Andrew P.3, PEDRICK, Jane N.1 and VUCIC, Ana1, (1)Dept. of Geological & Atmospheric Sciences, Iowa State Univ, Ames, IA 50011-3212, (2)Dept. of Earth and Space Sciences, UCLA, Los Angeles, CA 90095-1567, (3)Dept. of Geology, Indiana/Purdue Univ, Indianapolis, IN 46202, cejac@iastate.edu, cejac@iastate.edu
12
4:30 PM
TIMING OF PLUTONISM AND DEFORMATION IN THE WHITE MOUNTAINS, CALIFORNIA
BRIGGS, Stephanie, Department of Earth and Space Science, Univ of California-Los Angeles, 595 Charles Young Drive East, Los Angeles, CA 90095-1567, COLEMAN, Drew, Department of Geological Sciences, Univ of North Carolina -- Chapel Hill, Campus Box # 3315, Chapel Hill, NC 27599, GLAZNER, Allen, Department of Geological Sciences, Univ of North Carolina at Chapel Hill, CB# 3315, Mitchell Hall, Chapel Hill, NC 27599-3315 and NORTHRUP, C.J., Department of Geosciences, Boise State Univ, 1910 University Drive, Boise, ID 83725, sbriggs@ess.ucla.edu, sbriggs@ess.ucla.edu
13
4:45 PM
U-PB GEOCHRONOLOGIC EVIDENCE OF A LATE CRETACEOUS PROTOLITH AGE FOR THE SWAKANE GNEISS, NORTH CASCADES, WA
MATZEL, Jennifer, Earth, Atmospheric, and Planetary Sciences, MIT, 77 Massachussetts Ave, Cambridge, MA 02139, BOWRING, Samuel A., Earth, Atmospheric and Planetary Sciences, MIT and MILLER, Robert, Geology, San Jose State Univ, One Washington Square, San Jose, CA 95192-0102, jpmatzel@MIT.EDU, jpmatzel@MIT.EDU
14
5:00 PM
ARC-PARALLEL FLOW WITHIN THE MANTLE WEDGE: EVIDENCE FROM THE ACCRETED TALKEETNA ARC, SOUTH CENTRAL ALASKA
MEHL, Luc1, HACKER, Bradley1 and HIRTH, Greg2, (1)Geological Sciences, Univ of California, Santa Barbara, CA 93106, (2)Department of Geology and Geophysics, Woods Hole Oceanographic Institute, Woods Hole, MA 02543, mehl@geology.ucsb.edu, mehl@geology.ucsb.edu
15
5:15 PM
WAS UHP TECTONISM IN NORWAY CAUSED BY OPHIOLITE EMPLACEMENT?
HACKER, Bradley R., Department of Geological Sciences, UC Santa Barbara, Santa Barbara, CA 93106 and GROVE, Marty, Department of Earth and Space Sciences, UCLA, Los Angeles, CA 90095-1567, hacker@geol.ucsb.edu, hacker@geol.ucsb.edu