2006 Philadelphia Annual Meeting (22–25 October 2006)

Session No. 92
Monday, 23 October 2006: 1:30 PM-5:30 PM

Tectonics I

 

Ashraf Uddin and Andrew Kylander-Clark, Chairs
Paper #
Start Time
1
1:30 PM
SELF-SUBDUCTION OF A GLOBAL PLATE – THE BEGINNING OF PANGEA'S END?
GUTIERREZ-ALONSO, Gabriel, Departamento de Geologia, Universidad de Salamanca, Salamanca, 37008, Spain, FERNANDEZ-SUAREZ, Javier, Departmento de Petrologia y Geoquimica, Universidad Complutense, Madrid, 28040, WEIL, Arlo, Department of Geology, Bryn Mawr College, Bryn Mawr, PA 19010, MURPHY, J. Brendan, Dept. of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G2W5, Canada, NANCE, R. Damian, Geological Sciences, Ohio Univ, Athens, OH 45701, CORFÚ, Fernando, Institute of Geology, University of Oslo, Blindern, Postboks 1047, Oslo, N-0316, Norway and JOHNSTON, Stephen T., School of Earth and Ocean Sciences, University of Victoria, Bob Wright Centre, PO Box 3065 STN CSC, Victoria, BC V8W 3V6, Canada, gabi@usal.es, gabi@usal.es
2
1:45 PM
U-PB TITANITE AGES OF DECOMPRESSION MELTING DURING EXHUMATION OF THE WESTERN GNEISS REGION ULTRAHIGH-PRESSURE TERRANE
KYLANDER-CLARK, Andrew1, HACKER, Brad2, MATTINSON, Jim3 and RIOUX, Matt3, (1)Department of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106, (2)Geological Sciences, UC, Santa Barbara, Department of Geological Sciences, UC Santa Barbara—Building 526, Santa Barbara, CA 93106-9630, (3)Department of Geological Sciences, Univ of California at Santa Barbara, Santa Barbara, CA 93106, kylander@geol.ucsb.edu, kylander@geol.ucsb.edu
3
2:00 PM
MODES OF TECTONIC ACCRETION AND RECENT (< 10 MA) TECTONIC EXHUMATION IN THE SOUTHERN APENNINES FOLD AND THRUST BELT (ITALY): STRUCTURAL AND THERMOCHRONOLOGICAL CONSTRAINTS
MAZZOLI, Stefano1, ALDEGA, Luca2, CORRADO, Sveva2, D'ERRICO, Marco1, INVERNIZZI, Chiara3, SHINER, Peter4 and ZATTIN, Massimiliano5, (1)Dipartimento di Scienze della Terra, Università di Napoli ‘Federico II’, Largo San Marcellino 10, Naples, 80138, Italy, (2)Dipartimento di Scienze Geologiche, Università degli Studi ‘Roma Tre’, Largo San Leonardo Murialdo 1, Rome, 00146, Italy, (3)Dipartimento Scienze della Terra, Università di Camerino, Via Gentile III da Varano, Camerino (MC), 62032, Italy, (4)Shell Italia E & P, Via Due Macelli 66, Rome, 00187, Italy, (5)Dipartimento Scienze Geologiche e Ambientali, Università di Bologna, Via Zamboni, Bologna, 40126, Italy, stefano.mazzoli@unina.it, stefano.mazzoli@unina.it
4
2:15 PM
WIDESPREAD AREAL EXTENSIONAL VOLCANISM ATOP A SHORTENING OROGEN: IMPLICATIONS FOR CRUSTAL EVOLUTION
?ENGÖR, A.M. Celâl, Avrasya Yerbilimleri Enstitüsü, Istanbul Teknik Üniversitesi, Ayazaga, Istanbul, 34469, Turkey, sengor@itu.edu.tr, sengor@itu.edu.tr
5
2:30 PM
DETACHMENT FAULT AND SHEAR ZONE OF THE CRETAN-PELOPONNESE RIDGE IN KYTHERA ISLAND
MARSELLOS, Antonios E., Department of Earth & Atmospheric Sciences, State University of New York at Albany, 1400 Washington Ave, Albany, NY 12222 and KIDD, W.S.F., Earth & Atmospheric Sciences, Univ at Albany, Albany, NY 12222, am214525@albany.edu, am214525@albany.edu
6
2:45 PM
A NEWLY IDENTIFIED, OPPOSITE SENSE AEGEAN CRUSTAL BLOCK PERSISTENT SINCE THE EOCENE REQUIRES KEY REVISIONS TO E-MEDITERRANEAN GEODYNAMICS MODELS
GRASEMANN, B.1, EDWARDS, M.A.2, SCHNEIDER, D.A.3, IGELSEDER, Ch.4, ZÁMOLYI, A.2, PETRAKAKIS, K.5, RAMBOUSEK, Ch.6, MUELLER, M.6, VOIT, K.1 and THOENI, M.1, (1)Department of Geodynamics and Sedimentology, Structural Processes Group Vienna, University of Vienna, Althanstrasse 14/2B447, Vienna, 1, (2)Structural Processes Group Vienna, Vienna, 1, Austria, (3)Department of Geological Sciences, Ohio Univ, Athens, OH 45701, (4)Structural Processes Group, Vienna, 1, Austria, (5)UZA - Universitätszentrum Althanstraße, Wien, 1, Austria, (6)Structural Processes Group Vienna, Vienna, 1, Bernhard.Grasemann@univie.ac.at, Bernhard.Grasemann@univie.ac.at
7
3:00 PM
RAPID RISE (~3 MM/Y) OF COASTAL ABU DHABI
WOOD, Warren W.1, STOKES, Stephen2, BRANDT, Danita1, KRAEMER, Thomas F.3 and IMES, Jeffery L.4, (1)Geological Sciences, Michigan State University, 206 Natural Sci. Building Department of Geological Sciences, East Lansing, MI 48824, (2)School of Geography and the Environment, Univ of Oxford, Mansfield Road, Oxford OX1 3TB, (3)Water Resources Division, U. S. Geol Survey, MS 430, National Center, 12201 Sunrise Valley Drive, Reston, VA 20192, (4)USGS-NDC Ground Water Research Program, National Drilling Co, P.O. Box 15287, Al Ain, United Arab Emirates, wwwood@msu.edu, wwwood@msu.edu
8
3:15 PM
LARGE-SCALE UNDERTHRUSTING AT THE WESTERN END OF THE INDO-ASIAN COLLISION ZONE: EVIDENCE FROM THE EASTERN MARGIN OF THE PAMIR
ROBINSON, Alexander C.1, YIN, An1, MANNING, Craig E.1, HARRISON, T. Mark2 and WANG, Xiao-Feng3, (1)Department of Earth and Space Sciences, University of California Los Angeles, Los Angeles, CA 90095, (2)Department of Earth and Space Sciences, UCLA, Los Angeles, CA 90095-1567, (3)Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing, 100081, China, acrobinson@uh.edu, acrobinson@uh.edu
9
3:30 PM
CREATING TIBETAN PLATEAU THE TIAN SHAN WAY: LARGE-SCALE OUT-OF-SEQUENCE THRUSTING AS A MECHANISM FOR TIBETAN PLATEAU DEVELOPMENT
YIN, An, MCRIVETTE, Michael, BURGESS, W. Paul and CHEN, Xuanhua, Department of Earth and Space Sciences, University of California, Los Angeles, CA 90095, yin@ess.ucla.edu, yin@ess.ucla.edu
10
3:45 PM
SPATIAL AND TEMPORAL VARIABILITY IN DEFORMATION, METAMORPHISM, AND DISPLACEMENT ALONG THE SOUTH TIBETAN DETACHMENT SYSTEM; INSIGHTS INTO THE EXHUMATION OF THE GREATER HIMALAYAN SLAB, TIBET
JESSUP, Micah J.1, COTTLE, John M.2, NEWELL, Dennis L.3, SEARLE, Michael P.4, LAW, Richard D.1 and TRACY, Robert J.5, (1)Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, (2)Department of Earth Sciences, Oxford University, Parks Road, OX1 3PR, Oxford, United Kingdom, (3)Dept. of Earth & Planetary Sciences, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131, (4)Earth Sciences, Oxford Univ, Parks Road, Oxford, OX1 3PR, (5)Geosciences, Virginia Tech, Blacksburg, VA 24061, mjessup@vt.edu, mjessup@vt.edu
11
4:00 PM
STRUCTURAL RELATIONSHIP BETWEEN THE MAIN CENTRAL THRUST AND SOUTH TIBET DETACHMENT IN THE NW INDIA HIMALAYA AND ITS IMPLICATIONS FOR A NEW MODEL FOR THE HIMALAYAN DEVELOPMENT
WEBB, A. Alexander G., Dept. of Earth and Space Sciences, Univ of California, Los Angeles, CA 90095-1567 and YIN, An, Earth and Space Sciences, University of California, Los Angeles, Los Angeles, CA 90095, awebb@ess.ucla.edu, awebb@ess.ucla.edu
12
4:15 PM
MIOCENE EXHUMATION OF THE HIMALAYAN METAMORPHIC CORE: NEW THERMOCHRONOLOGIC CONSTRAINTS FROM THE LANGTANG VALLEY, NEPAL
WOBUS, Cameron1, PRINGLE, Malcolm S.2, HODGES, Kip V.3, WHIPPLE, Kelin X.3 and HUNTINGTON, Katharine W.4, (1)Stratus Consulting, 1881 Ninth St, Suite 201, Boulder, CO 80302, (2)Earth, Atmospheric and Planetary Sciences Department, Massachusetts Institute of Technology, 77 Massachusetts Ave 54-1022, Cambridge, MA 02139, (3)School of earth and space exploration, Arizona State University, Tempe, AZ 85287, (4)Earth, Atmospheric and Planetary Sciences Department, Massachusetts Institute of Technology, 77 Massachusetts Ave 54-1024, Cambridge, MA 02139, cameron.wobus@stratusconsulting.com, cameron.wobus@stratusconsulting.com
13
4:30 PM
RATE OF ACTIVE SHORTENING ACROSS THE AKSAI RESTRAINING STEPOVER ALONG THE ALTYN TAGH FAULT, GANSU PROVINCE, NW CHINA
GOLD, Ryan, Department of Geology, University of California, Davis, One Shields Ave, Davis, CA 95616, COWGILL, Eric, Department of Geology, University of California, One Shields Avenue, Davis, CA 95616, EHLERS, Todd, Geological Sciences, University of Michigan, 2534 C.C. Little Building, 1100 North University, Ann Arbor, MI 48109-1005, WANG, Xiao-Feng, Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing, 100081, China and CHEN, Xuanhua, Institute of Geomechanics, Chinese Academy of Geol Sciences, Beijing, 10081, China, rdgold@ucdavis.edu, rdgold@ucdavis.edu
14
4:45 PM
U-PB ZIRCON CONSTRAINTS ON PROVENANCE OF CENOZOIC SEDIMENTS OF THE ASSAM-BENGAL SYSTEM, EASTERN HIMALAYAS
UDDIN, Ashraf1, BOWRING, Samuel2, CROWLEY, James3 and RAMEZANI, Jahandar3, (1)Dept. of Geology and Geography, Auburn University, 210 Petrie Hall, Auburn, AL 36849-5305, (2)EARTHTIME, 77 Moss Ave, MIT54-1120, Cambridge, MA 02139, (3)Dept. Earth, Atm. & Planet. Sci, Massachusetts Institute of Technology, Cambridge, MA 02139, uddinas@auburn.edu, uddinas@auburn.edu
15
5:00 PM
COMPLEXITIES FO SHEARING BETWEEN SOUTH CHINA AND INDOCHINA DURING EXTRUSION FROM TRIASSIC TO RECENT TIME
BURCHFIEL, B. Clark1, SWANSON, Erika1 and CHEN, Liangzhong2, (1)Earth, Atmospheric and Planetary Sciences, MIT, 54-1010, MIT, Cambridge, MA 02139, (2)Yunnan Institute of Geological Sciences, 131 Baita Rd, Kunming, China, bcburch@mit.edu, bcburch@mit.edu
16
5:15 PM
GEOMETRIC CONSTRAINT OF SO-CALLED COLLISIONAL IMJIN BELT ALONG DMZ, KOREA
CHWAE, Ueechan, Geology, KIGAM, 30 Gajeong-dong, Yuseong-gu, Daejeon, 305-350, South Korea, CHOI, Sung-Ja, Geology, Korea Institute of Geoscience and Mineral Rscs, 30 Gajeong-dong, Yuseong-gu, Taejon, 305-350, South Korea and ADACHI, Mamoru, The Nagoya University Museum, Nagoya University, Furo-cho, Chikus-ku, Nagoya, 464-8601, Japan, chwae@naver.com, chwae@naver.com