2007 GSA Denver Annual Meeting (28–31 October 2007)

Session No. 49
Sunday, 28 October 2007: 1:30 PM-5:30 PM

T114. Mantle Dynamics and Crust-Mantle Interactions in Collisional Orogens

GSA International Section; GSA Structural Geology and Tectonics Division; GSA Geophysics Division; MARGINS Initiative

 

Yildirim Dilek and Paul T. Robinson, Advocates
Paper #
Start Time
1
1:30 PM
CAN PT-TIME PATHS FROM EXHUMED METAMORPHIC ROCKS REVEAL MANTLE PROCESSES BENEATH OROGENS?
PLATT, John P., Department of Earth Sciences, Univ of Southern California, 3651 Trousdale Parkway, Zumberge Hall 117, Los Angeles, CA 90089-0740, john.platt@usc.edu, john.platt@usc.edu
2
1:45 PM
COLLISIONAL DELAMINATION IN NEW GUINEA: THE GEOTECTONICS OF SUBDUCTING SLAB BREAKOFF
CLOOS, Mark, Department of Geological Sciences, University of Texas at Austin, Jackson School of Geosciences 1 University Station C9000, Austin, TX 78712, cloos@mail.utexas.edu, cloos@mail.utexas.edu
3
2:05 PM
CONTINENTAL COLLISION, SLAB BREAKOFF AND POSTCOLLISIONAL CENOZOIC PLUTONISM IN WESTERN ANATOLIA, TURKEY
DILEK, Yildirim1, ALTUNKAYNAK, Safak2, FURNES, Harald3 and GENÇ, S. Can2, (1)Geology, Miami University, 116 Shideler Hall, Oxford, OH 45056, (2)Geological Engineering, Istanbul Technical University, Maslak, Istanbul, 80626, Turkey, (3)Centre for Geobiology & Department of Earth Science, University of Bergen, Allegate 41, Bergen, 5007, Norway, dileky@muohio.edu, dileky@muohio.edu
4
2:20 PM
MEDITERRANEAN TERTIARY LAMPROITES: MULTICOMPONENT MELTS IN POSTCOLLISIONAL GEODYNAMICS
PRELEVIC, Dejan, Earth System Science Research Centre, Institute for Geosciences, University of Mainz, Becherweg 21, Mainz, D-55099, Germany, prelevic@uni-mainz.de, prelevic@uni-mainz.de
5
2:40 PM
GEOCHEMICAL AND RADIOGENIC ISOTOPE CHARACTERISTICS OF POST-COLLISIONAL K-RICH MAGMATISM OF THE WESTERN MEDITERRANEAN BASINS: THE CASE STUDIES OF TUSCANY, MURCIA-ALMERIA, CORSICA, AND WESTERN ALPS
CONTICELLI, Sandro1, GUARNIERI, Luisa2, MATTEI, Massimo3, FARINELLI, Alice1, TOMMASINI, Simone1 and VENTURELLI, Giampiero4, (1)SCienze della Terra, Università degli Studi di Firenze, Via Giorgio La Pira, 4, Firenze, I-50121, Italy, (2)Scienze della Terra, Università degli Studi di Firenze, Firenze, 50121, Italy, (3)Dipartimento di Scienze, Università Roma 3, Largo San Leonardo Murialdo 1, Roma, I-00100, Italy, (4)Scienze della Terra, Università di Parma, Parma, I-51100, sandro.conticelli@unifi.it, sandro.conticelli@unifi.it
6
2:55 PM
TECTONIC CONNECTIONS BETWEEN SARDINIA AND CALABRIA DURING THE HERCYNIAN AND ALPINE COLLISIONAL EVENTS: CURRENT UNDERSTANDING AND OPEN QUESTIONS
SHIMABUKURO, David H. and ALVAREZ, Walter, Department of Earth and Planetary Science, Univ of California, Berkeley, CA 94720-4767, dhs@ocf.berkeley.edu, dhs@ocf.berkeley.edu
7
3:10 PM
COLLISIONAL AND POST-COLLISIONAL MAGMATISM OF THE TIBETAN PLATEAU AND IMPLICATIONS FOR MANTLE DYNAMICS
MO, Xuanxue1, ZHAO, Zhidan1, HOU, Zengqian2, DILEK, Yildirim3 and ROBINSON, Paul T.4, (1)Earth Science and Resources, China University of Geosciences, Beijing, 29 Xueyuan Road, Beijing, 100083, China, (2)Geology, Institute of Geology, Chinese Academy of Geological Sciences, Baiwanzhuang Street, Beijing, 100037, China, (3)Geology, Miami University, 116 Shideler Hall, Oxford, OH 45056, (4)Earth Science, Dalhousie University, Halifax, NS B3H 4J1, Canada, moxuanxue@hotmail.com, moxuanxue@hotmail.com
8
3:25 PM
SHOSHONITIC MAGMATISM WITHIN THE YARLUNG ZANGBO SUTURE ZONE, TIBET: A WINDOW THROUGH THE DEEP UNDERLYING CRUST
HÉBERT, Réjean1, GUILMETTE, Carl2, BEDARD, Emilie3, GUILLAUME, Lesage3, WANG, Chengshan4, DOSTAL, Jaroslav5 and ULLRICH, Thomas6, (1)Département de géologie et de génie géologique, Université Laval, 1065 ave de la Médecine, Québec, QC G1K 7P4, Canada, (2)Geologie et genie geologique, Universite Laval, Quebec, QC G1K 7P4, Canada, (3)Département de géologie et de génie géologique, Université Laval, Ste-Foy, QC G1K 7P4, Canada, (4)Research Center for Tibetan Geology, Beijing University of Geosciences, 29 Xueyuan Road, Beijing, 100083, (5)Department of Geology, St. Mary's University, Halifax, NS B3H 3C3, Canada, (6)Dept. Earth & Ocean Sciences, University of British Columbia, Pacific Centre for Isotopic and Geochemical Research, 6339 Stores Road, Vancouver, BC V6T 1Z4, Canada, hebert@ggl.ulaval.ca, hebert@ggl.ulaval.ca
9
3:40 PM
MECHANICS OF NON-ANDERSONIAN CONJUGATE STRIKE-SLIP FAULTS IN ACTIVE COLLISIONAL OROGENS: OBSERVATIONS, THEORIES, AND IMPLICATIONS FOR LATERALLY MOVING ASTHENOSPHERIC FLOW
YIN, An, Department of Earth and Space Sciences, University of California, Los Angeles, CA 90095-1567 and TAYLOR, Michael H., Department of Geology, University of Kansas, 1475 Jayhawk Blvd, Lawrence, KS 66045, yin@ess.ucla.edu, yin@ess.ucla.edu
10
3:55 PM
IMAGES OF CONTINENTAL LITHOSPHERIC BENDING, TEARING, AND REBOUND IN THE SOUTHEASTERN CARIBBEAN PLATE BOUNDARY
LEVANDER, Alan1, NIU, Fenglin1, ZELT, Colin A.1, MILLER, Meghan S.1, CLARK, Stephen1, MAGNANI, Maria Beatrice2, SOBIESIAK, Monika3, BEZADA, Maximiliano1, PAVLIS, Gary4 and SCHMITZ, Michael5, (1)Earth Science, Rice University, 6100 Main Street MS-126, Houston, TX 77005, (2)Center for Earthquake Research and Information, University of Memphis, 3876 Central Ave, Memphis, TN 38152, (3)Section 2.1, GeoForschungsZentrum-Potsdam, Telegrafenberg, Potsdam, D-14473, Germany, (4)Department of Geological Sciences, Indiana University, 1001 East 10th Street, Bloomington, IN 47405-1405, (5)FUNVISIS, Final Calle Mara, Urb. El Llanito, Caracas 1070, 76880, Venezuela, alan@rice.edu, alan@rice.edu
11
4:10 PM
THE ISUA SUPRACRUSTAL BELT (GREENLAND) - A VESTIGE OF A 3.8 GA SUPRASUBDUCTION ZONE OPHIOLITE, AND ITS SIGNIFICANCE FOR ARCHEAN GEOLOGY
FURNES, Harald, Centre for Geobiology & Department of Earth Science, University of Bergen, Allegate 41, Bergen, 5007, Norway, DILEK, Yildirim, Geology, Miami University, 116 Shideler Hall, Oxford, OH 45056, DE WIT, Maarten, Geological Sciences, University of Cape Town, Rondebosch, 77058, South Africa, STAUDIGEL, Hubert, Scripps Institute Oceanography, 9500 Gilman Dr Dept 208, La Jolla, CA 92093-0208, ROSING, Minik, Nordic Centre for Earth Evolution (NordCEE) & Geological Museum, University of Copenhagen, Copenhagen, 1350, Denmark and MUEHLENBACHS, Karlis, Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada, harald.furnes@geo.uib.no, harald.furnes@geo.uib.no
12
4:30 PM
RECYCLED CRUSTAL MINERALS FROM THE UPPER MANTLE
TRUMBULL, Robert1, ROBINSON, Paul T.1, SCHMITT, Axel K.2, KOSTROWSKI, Sandra1, YANG, Jing-Sui3, ERZINGER, Joerg1 and EMMERMANN, Rolf1, (1)GeoForschungsZentrum, Telegrafenberg, Potsdam, D-14473, Germany, (2)Earth and Space Sciences, University of California, Los Angeles, 595 Charles Young Drive East, Box 951567, Los Angeles, 90095-1567, (3)Laboratory for Continental Dynamics, Center for Advanced Research on Mantle, Chinese Academy of Geological Sciences, 26 Baiwanzhuiang Road, Beijing, 100037, China, robinson@gfz-potsdam.de, robinson@gfz-potsdam.de
13
4:45 PM
TECTONIC AND MAGMATIC EVOLUTION OF THE TAITAO OPHIOLITE AND RELATED GRANITES, SOUTHERN CHILE
ANMA, Ryo1, TSUYOSHI, Komiya2, OTA, Tsutomu3, KON, Yoshiaki2, SHIBUYA, Takazo2, VELOSO-ESPINOSA, Eugenio Andres4, ARMSTRONG, Richard5 and KOBAYASHI, Chiaki6, (1)Graduate School of Life and Environmental Sciences, University of Tsukuba, Ten-nodai 1-1-1, Tsukuba, 305-8572, Japan, (2)Tokyo Insitute of Technology, Ookayama 2-12-1, Meguro, Tokyo, 152-8550, Japan, (3)Insitute for Study of Earth's Interior, Okayama University, Yamada 827, Misasa, 682-0193, Japan, (4)Departamento de Geología, Universidad Católica del Norte, Avenida Angamos 0610, Antofagasta, 0610, Chile, (5)Research School of Earth Sciences, The Australian National University, Mills Road, Canberra A.C.T, 0200, Australia, (6)ERSDAC, kachidoki 3-12-1, Chuo, Tokyo, 104-0054, Japan, ranma@sakura.cc.tsukuba.ac.jp, ranma@sakura.cc.tsukuba.ac.jp
14
5:00 PM
LATE CRETACEOUS ARC-CONTINENT COLLISION IN WESTERN PAKISTAN AND IMPLICATIONS FOR HIMALAYAN OROGENY
KHAN, Shuhab D.1, MAHMOOD, Khalid2, CASEY, John1 and FLOWER, Martin3, (1)Department of Geosciences, University of Houston, 4800 Calhoun Rd. 312 S&R1, Houston, TX 77204-5007, (2)National Center of Excellence in Mineralogy, University of Balochistan, Quetta, Balochistan, Pakistan, (3)Earth and Environmental Sciences, Univesity of Illinois, Chicago, Science and Engineering South Building (MC 186), 845 West Taylor Street, Chicago, IL 60607-7059, sdkhan@uh.edu, sdkhan@uh.edu
15
5:15 PM
THE NAIN-BAFT OPHIOLITIC BELT: AN EVIDENCE OF BACK-ARC OCEANIC BASIN OF CRETACEOUS AGE IN THE ACTIVE MARGIN OF THE IRANIAN CONTINENT
SHAFAII MOGHADAM, Hadi, Faculty of Earth Sciences, Shahid Beheshti University, Evin, Tehran, Tehran, 1983963113, Iran, RAHGOSHAY, Mohamad and WHITECHURCH, Hubert, hadishafaii@yahoo.com, hadishafaii@yahoo.com
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