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GSA Annual Meeting, November 5-8, 2001

Session No. 137
Wednesday, 7 November 2001: 1:30 PM-5:30 PM

Tectonics II: Fold-Thrust Belts and Collisional Processes

 

Paul O'Sullivan and Peter J. Treloar, Chairs
Paper #
Start Time
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1:30 PM
STRUCTURAL GEOLOGY AND REGIONAL TECTONICS OF THE CHITTAGONG HILLS FOLD BELT, EASTERN BANGLADESH
GILBERT Jr, Oscar E., Ocean International Ltd, 1001 Fannin, Suite 1600, Houston, TX 77002, ed.gilbert@oceanenergy.com, ed.gilbert@oceanenergy.com
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1:45 PM
SUBANDEAN THRUST AND FOLD BELT OF NORTHWESTERN ARGENTINA. GEOMETRY AND TIMING OF THE ANDEAN EVOLUTION
ECHAVARRÍA, Leandro E., Conicet-Cornell Univ, Department of Earth & Atmospheric Sciences, Snee Hall, Cornell University, Ithaca, NY 14853, HERNÁNDEZ, Roberto M., XR Consulter, Manzana N casa 14, Barrio Parque Gral. Belgrano, 1ra Etapa, Salta, 4400, Argentina and ALLMENDINGER, Richard W., Cornell Univ, Department of Earth & Atmospheric Sciences, Snee Hall, Cornell University, Ithaca, NY 14853, lee3@cornell.edu, lee3@cornell.edu
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2:00 PM
THE PAMPLONA FOLD AND THRUST BELT, GULF OF ALASKA: CONTRACTION IN AN EVOLVING OROCLINAL BEND AT THE SUBDUCTION-TRANSFORM TRANSITION OF THE EASTERN ALEUTIAN ARC
PICORNELL, Carlos M.1, PAVLIS, Terry1, SERPA, Laura1 and BRUHN, Ronald L.2, (1)Univ New Orleans, 2000 Lakeshore Dr, New Orleans, LA 70148-0001, (2)Univ Utah, 135 S 1460 E Rm 719, Salt Lake City, UT 84112-0111, juandefuca@hotmail.com, juandefuca@hotmail.com
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2:15 PM
EVIDENCE AND IMPLICATIONS FOR OUT-OF-SEQUENCE STRUCTURES IN THE SADLEROCHIT MOUNTAINS REGION OF THE ARCTIC NATIONAL WILDLIFE REFUGE, ALASKA
O'SULLIVAN, Paul B., Department of Earth Sciences, Syracuse Univ, Syracuse, NY 13244 and WALLACE, Wesley K., Univ Alaska - Fairbanks, PO Box 755780, Fairbanks, AK 99775-5780, POSulliv@syr.edu, POSulliv@syr.edu
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2:30 PM
THREE-DIMENSIONAL LARAMIDE DEFORMATION OF THE COLORADO PLATEAU: COMPETING INFLUENCES OF THE SEVIER THRUST BELT AND THE FLAT FARALLON SLAB
BUMP, Alexander P., Department of Geosciences, Univ of Arizona, 1040 E. 4th St, Tucson, AZ 85721, abump@geo.arizona.edu, abump@geo.arizona.edu
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2:45 PM
POST-LATEST TRIASSIC THRUST EMPLACEMENT OF THE GOLCONDA ALLOCHTHON, SONOMA RANGE, NEVADA
DUNSTON, Jacob F., NORTHRUP, Clyde J. and SNYDER, Walter S., Department of Geosciences, Boise State Univ, 1910 University Drive, Boise, ID 83725, jdunston@trex.boisestate.edu, jdunston@trex.boisestate.edu
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3:00 PM
STRUCTURAL EVOLUTION OF THE SELKIRK FAN STRUCTURE, NORTHERN SELKIRK MOUNTAINS, SOUTHEASTERN CANADIAN CORDILLERA
GIBSON, H. Daniel1, BROWN, Richard L.1, CARR, Sharon D.1 and HAMILTON, Mike A.2, (1)Earth Sciences, Carleton Univ, 1125 Colonel By Dr, Ottawa, ON K1S 5B6, Canada, (2)Continental Geoscience Division, Geol Survey of Canada, Ottawa, ON K1A 0E8, Canada, dhgibson@ccs.carleton.ca, dhgibson@ccs.carleton.ca
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3:15 PM
ON THE ORIGIN OF ARCUATE FOLDED BELTS AND BACK-ARC BASINS
GELABERT, Bernadí1, SABAT, Francesc2, RODRÍGUEZ-PEREA, Antonio1 and FORNÓS, Joan J.1, (1)Earth Sciences, Universitat de les Illes Balears, Cra. Valldemossa, km. 7.5, Palma de Mallorca, 07071, Spain, (2)Valencia 347, Ent 2, Barcelona, 08009, Spain, vdctbgf0@clust.uib.es, vdctbgf0@clust.uib.es
 
3:30 PM
Break
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3:45 PM
STRAIN PARTITIONING AND HETEROGENEOUS DEFORMATION IN MID-CRUSTAL ROCKS DURING THE PALEOPROTEROZOIC MEDICINE BOW OROGENY: NEW IMPLICATIONS FOR CONTROLS ON LITHOSPHERIC STRENGTH
ALLARD, Stephen T., Department of Geology and Geophysics, Univ of Wyoming, Laramie, WY 82071, allard@fiberpipe.net, allard@fiberpipe.net
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4:00 PM
DELAMINATION-WEDGE-SUBDUCTION SYSTEM IN THE HIDAKA COLLISION ZONE (HCZ) OF ARC-ARC TYPE, HOKKAIDO, JAPAN: A FACTORY OF CONTINENTAL CRUST
ITO, Tanio1, KAZUKA, Takuro1 and ABE, Susumu2, (1)Department of Earth Sciences, Chiba Univ, 1-33 Yayoi-cho, Inage-ku, Chiba, 263-8522, Japan, (2)Department of Geological Sciences, Cornell Univ, Ithaca, NY 14853-1504, tito@earth.s.chiba-u.ac.jp, tito@earth.s.chiba-u.ac.jp
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4:15 PM
DEFORMATION HISTORY OF THE FENGHUOSHAN, NORTHERN TIBETAN PLATEAU, QINGHAI PROVINCE, CHINA
ROWLEY, David B., Univ Chicago, 5734 S Ellis Ave, Chicago, IL 60637-1434 and CURRIE, Brian S., Department of Geology, Miami Univ, 114 Shideler Hall, Oxford, OH 45056, rowley@plates.uchicago.edu, rowley@plates.uchicago.edu
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4:30 PM
SHORTENING WITHIN THE NORTHERN LHASA BLOCK AT CA. 90OE–ASSESSING STRAIN CONTRIBUTIONS FROM THE INDIA-ASIA COLLISION
EDWARDS, M. A.1, RATSCHBACHER, L. R.1, PUSHKAREV, Y.2, STAIGER, M.3, BLUMENWITZ, M.3, KIDD, W.S.F.4, YOUSHE, Li4 and WU, Z.5, (1)Asian Tectonics Research Unit, Institut für Geologie, TU-Bergakademie Freiberg, D-09596 Freiberg, Freiberg, 09596, Germany, (2)Russian Academy of Sciences, St. Petersburg, St. Petersburg, 6848469, Russia, (3)Institut für Geologie u. Paläontologie, Universität Tübingen, Sigwartstr. 10, Tübingen, D-72076, Germany, (4)Dept. Earth and Atmospheric Sci, SUNY-Albany, Albany, Albany, NY 12222, (5)Chinese Academy of Geol Sciences, Baiwanzuang Rd, Beijing, 100037, China, edwards@geo.tu-frieberg.de, edwards@geo.tu-frieberg.de
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4:45 PM
EXHUMATION OF EARLY TERTIARY, COESITE-BEARING ECLOGITES FROM THE KAGHAN VALLEY, PAKISTAN HIMALAYA
TRELOAR, Peter J., Kingston Univ, Kingston-Upon-Thames, Surrey, KT1 2EE, United Kingdom, O'BRIEN, Patrick J., Institut fur Geowissenschaften, Universitat Potsdam, Postfach 601553, Potsdam, Germany and KHAN, M. Asif, NCE in Geology, Univ of Peshawar, Peshawar, Pakistan, p.treloar@kingston.ac.uk, p.treloar@kingston.ac.uk
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5:00 PM
EVIDENCE FOR THRUST IMBRICATION OF BALTICA BASEMENT, AND SYN-COLLISIONAL EXHUMATION OF HIGH-PRESSURE ROCKS, WESTERN GNEISS REGION, NORWAY
TERRY, Michael P., Geology, Bowdoin, Brunswick, ME 04011, BINGEN, Bernard, Geological Survey of Norway, Trondheim, N-7491, Norway and ROBINSON, Peter, Geol Survey of Norway, Trondheim, N-7491, Norway, mterry@Bowdoin.edu, mterry@Bowdoin.edu
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5:15 PM
"DUNK" TECTONICS AS A MODEL FOR THE EVOLUTION OF THE SCANDINAVIAN CALEDONIDES
BRUECKNER, Hannes K., School of Earth & Environmental Sciences, Queens College & The Graduate Ctr, CUNY, Flushing, NY 111367 and VAN ROERMUND, Herman L.M., Vening Meinesz Research School of Geodynamics, Faculty of Earth Sciences, Utrecht Univ, Budapestlaan 4, Utrecht, 3508 TA, Netherlands, hannes@ldeo.columbia.edu, hannes@ldeo.columbia.edu
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