2009 Portland GSA Annual Meeting (18-21 October 2009)

Session No. 230
Wednesday, 21 October 2009: 8:00 AM-12:00 PM
B110/111/112 (Oregon Convention Center)

T44. Evaluating Channel Flow in Orogens

GSA Structural Geology and Tectonics Division

 

Seth C. Kruckenberg, Rory McFadden and Christine S. Siddoway, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:10 AM
EVOLVING MID-CRUSTAL FLOW ALONG THE SOUTHERN MARGIN OF THE TIBETAN PLATEAU; AMA DRIME AND MOUNT EVEREST MASSIFS, TIBET
JESSUP, Micah, Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996 and COTTLE, John, Earth Sciences, University of California, Santa Barbara, CA 93106, mjessup@utk.edu, mjessup@utk.edu
2
8:30 AM
HOW FAST CAN A PLATEAU LOWER CRUST FLOW?
REY, Patrice1, TEYSSIER, Christian2 and WHITNEY, Donna L.2, (1)EarthByte Research Group, School of Geosciences, The University of Sydney, Sydney, NSW 2006, Australia, (2)Geology & Geophysics, University of Minnesota, Minneapolis, MN 55455, p.rey@usyd.edu.au, p.rey@usyd.edu.au
3
8:45 AM
HIGH HIMALAYAN LEUCOGRANITES INDICATE BRIEF (≤3 MYR) DUCTILE EXTENSION OF THE STDS
KOHN, M.J.1, SACHAN, H.2, SAXENA, A.2 and CORRIE, Stacey L.1, (1)Dept. of Geosciences, Boise State University, 1910 University Dr, Boise, ID 83725, (2)Wadia Institute of Himalayan Geology, 33 Gen Mahadev Singh Road, Dehradun, 248001, India, mattkohn@boisestate.edu, mattkohn@boisestate.edu
4
9:00 AM
PLACING LIMITS ON CHANNEL FLOW: IS CENTRAL BHUTAN STD-FREE?
LONG, Sean P., Dept. of Geosciences, Princeton University, Guyot Hall, Princeton, NJ 08544 and MCQUARRIE, Nadine, Department of Geosciences, Princeton University, Guyot Hall, Princeton, NJ 08544, slong@princeton.edu, slong@princeton.edu
5
9:15 AM
EXHUMATION DEPTHS OF THE LOWER CRUSTAL DOMES OF THE PAMIR
MCGRAW, Jennifer L., Earth Science, University of California, Santa Barbara, Bldg 526, Santa Barbara, CA 93106-9630, HACKER, Bradley R., Earth Science, University of California, Santa Barbara, CA 93106 and RATSCHBACHER, Lothar, TU Bergakademie Freiberg, Bernhard-von-Cotta Strasse 2, Freiberg/SA, 09596, Germany, jlmcgraw@umail.ucsb.edu, jlmcgraw@umail.ucsb.edu
6
9:30 AM
GEOCHRONOLOGICAL AND MICRO-FABRIC CONSTRAINTS ON PULSED EXTRUSION OF THE METAMORPHIC CORE IN THE EASTERN HIMALAYA (BHUTAN)
CHAMBERS, Jennifer A.1, PARRISH, Randall R.2, ARGLES, Tom3, HARRIS, Nigel3 and HORSTWOOD, Matthew4, (1)Department of Geosciences, Boise State University, Boise, ID 83725, (2)Dept of Geology, University of Leicester, NERC Isotope Geosciences Laboratory, British Geological Survey, Keyworth, NG12 5GG, United Kingdom, (3)Department of Earth and Environmental Sciences, The Open University, Milton Keynes, MK7 6AA, United Kingdom, (4)NERC Isotope Geosciences Laboratory, British Geological Survey, Keyworth, NG12 5GG, United Kingdom, jenchambers@boisestate.edu, jenchambers@boisestate.edu
7
9:45 AM
THE P-T-T PATH OF METAPELITES FROM FAR-EASTERN NEPAL HIMALAYA
IMAYAMA, Takeshi, Center for Chronological Research, Nagoya Univ, Nagoya, 464-8602, TAKESHITA, Toru, Natural History Sci, Hokkaido Univ, Sapporo, 060-0810, KITAJIMA, Kouki, Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53706, TSUTSUMI, Yukiyasu, National Museum of Nature and Science, Tokyo, 169-0073, Japan, ARITA, Kazunori, Hokkaido Univ. Museum, Hokkaido Univ, Sapporo, 060-0810 and SANO, Yuji, Ocean Res. Inst, Univ. Tokyo, Tokyo, 164-8639, imayama@nendai.nagoya-u.ac.jp, imayama@nendai.nagoya-u.ac.jp
8
10:00 AM
LATERALLY FORCED OVERTURNS AND HORIZONTAL CHANNEL FLOW OF OROGENIC LOWER CRUST IN OROGENS
SCHULMANN, Karel, Eost, Université de Strasbourg, 1 rue Blessig, Strasbourg, 67000, Schulman@illite.u-strasbg.fr, Schulman@illite.u-strasbg.fr
9
10:20 AM
EXHUMATION OF DEEP MOUNTAIN ROOTS THROUGH A MID-CRUSTAL EXTRUSION CORRIDOR: P-T-T CONSTRAINTS ON VARISCAN ECLOGITES & MIGMATITES, WESTERN TATRA, SLOVAKIA
MOUSSALLAM, Yves1, SCHNEIDER, D.A.1, JANAK, Marian2, THONI, Martin3 and ULRICH, Thomas4, (1)Department of Earth Sciences, University of Ottawa, Ottawa, ON K1N 6N5, Canada, (2)Geological Institute, Slovak Academy of Sciences, Bratislava, 84005, Slovak Republic, (3)Centre for Earth Sciences, University of Vienna, Vienna, A-1090, Austria, (4)Department of Earth Sciences, Laurentian University, Sudbury, ON P3E 2C6, Canada, ymous091@uottawa.ca, ymous091@uottawa.ca
10
10:35 AM
MID-CARBONIFEROUS CONGLOMERATES IN SOUTHWESTERN EUROPE RECORD EARLY VARISCAN INTRACONTINENTAL CONVERGENCE: EVIDENCE THAT CHANNELS WERE EXHUMED BEFORE THERMAL WEAKENING OF THE LITHOSPHERE
MARTINEZ, F.J., Departament de Geologia, Universitat Autonoma de Barcelona, 08193-Bellaterra, Barcelona, Spain, DIETSCH, Craig, Department of Geology, University of Cincinnati, Cincinnati, OH 45221-0013, ALEINIKOFF, John N., USGS, Denver Federal Center, MS 963, Denver, CO 80225 and CRIES, Jordi, Institut Geologic de Catalunya, Baimes 209-211, 08006 Barcelona, Spain, dietscc@ucmail.uc.edu, dietscc@ucmail.uc.edu
11
10:50 AM
ANATOMY OF A 10-KM-SCALE SHEATH FOLD AND IMPLICATIONS FOR FLOW AT GRANULITE FACIES CONDITIONS IN THE DEEP CRUST
BONAMICI, Chloe E., TIKOFF, Basil and GOODWIN, Laurel, Department of Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706, bonamici@geology.wisc.edu, bonamici@geology.wisc.edu
12
11:05 AM
GRANITE PLUTONISM DURING CRUSTAL CHANNEL FLOW
ANDRONICOS, Christopher L., Earth and Atmospheric Sciences, Cornell University, Ithaca, NY 14853 and PHIPPS MORGAN, Jason, Earth & Atmospheric Sciences, Cornell University, Snee Hall, Ithaca, NY 14853, ca98@cornell.edu, ca98@cornell.edu
13
11:25 AM
TESTING THE SYNCONVERGENT CHANNEL FLOW MODEL IN THE SOUTHEASTERN CANADIAN CORDILLERA
GERVAIS, Félix, Earth and Planetary Sciences, McGill University, 3450 University Street, Montreal, QC H3A 2A7, Canada, BROWN, Richard L., Earth Sciences, Carleton University, 2125 Herzberg Building, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada, HYNES, Andrew, Earth and Planetary Sciences, McGill University, 3450 University Street, Montreal, QC H3A 2A7 and GHENT, E.D., Geology and Geophysics, University of Calgary, Calgary, AB T2N 1N4, gervais_felix@yahoo.ca, gervais_felix@yahoo.ca
14
11:40 AM
STRUCTURAL AND U-TH-PB ZIRCON GEOCHRONOLOGICAL STUDIES INDICATE THAT THE CENTRAL HIMALAYA DEVELOPED VIA TECTONIC WEDGING
WEBB, A. Alexander G., Geology and Geophysics, Louisiana State University, E235 Howe-Russell Geoscience Complex, Baton Rouge, LA 70803 and SCHMITT, Axel K., Dept. of Earth and Space Sciences, Univ. of California, Los Angeles, CA 90095-1567, awebb@lsu.edu, awebb@lsu.edu
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