2014 GSA Annual Meeting in Vancouver, British Columbia (19–22 October 2014)

Session No. 89
Monday, 20 October 2014: 8:00 AM-12:00 PM
121 (Vancouver Convention Centre-West)

T15. Continental Arcs #1: Tectonopetrologic Processes Controlling Arc Tempos and Evolution

GSA Structural Geology and Tectonics Division; GSA Geophysics Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division

 

Alan D. Chapman, David Pearson, Robert B. Miller and Mark Behn, Advocates
Paper #
Start Time
8:00 AM
RELAMINATION AND THE DIFFERENTIATION OF CONTINENTAL CRUST
HACKER, Bradley R., Department of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106, KELEMEN, Peter, Lamont Doherty Earth Observatory, Columbia University, Palisades, NY 10964 and BEHN, Mark, Department of Geology and Geophysics, Woods Hole Oceanographic Institution, 360 Woods Hole Road, Mail Stop 22, Woods Hole, MA 02543
8:15 AM
TESTING THE RELAMINATION HYPOTHESIS IN EXHUMED CORDILLERAN SHALLOW SUBDUCTION COMPLEXES: A CALL TO ARMS
CHAPMAN, Alan D., Geological Sciences and Engineering, Missouri University of Science and Technology, 129 McNutt Hall, Rolla, MO 65409
8:30 AM
EPISODIC MAGMATISM IN THE MESOZOIC SIERRA NEVADA ARC: MAGMA ADDITION RATES AND PLUTONIC/VOLCANIC VOLUME RATIOS
PATERSON, Scott R., Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Zumberge Hall of Science (ZHS), Los Angeles, CA 90089-0740 and CAO, Wenrong, Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089-0740
8:45 AM
AN ISOSTASTIC AND MASS BALANCE MODEL OF THE MESOZOIC SIERRA NEVADA ARC DURING TECTONIC THICKENING AND MAGMATIC FLARE-UPS: IMPLICATIONS FOR SURFACE UPLIFT, EXHUMATION AND MATERIAL TRANSFER
CAO, Wenrong1, PATERSON, Scott1 and LEE, Cin-Ty A.2, (1)Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089-0740, (2)Dept of Earth Science, Rice Univ, MS 126, 6100 Main St, Houston, TX 77005
89-5
9:00 AM
Withdrawn
9:15 AM
THE WESTERN MARGIN OF THE SIERRA NEVADA BATHOLITH (SNB) AS RECORDED IN THE CALIFORNIA GREAT VALLEY SUBSURFACE: STRUCTURE, COMPOSITION AND MAGMATIC SOURCE REGIME
SALEEBY, Jason B., Division of Geological and Planetary Sciences, California Institute Technology, Pasadena, CA 91125-0001
9:30 AM
MAGNETIC SUSCEPTIBILITY OF GRANITOIDS: DEVELOPING NEW, QUANTITATIVE INTERPRETATIONS
RAUB, Timothy D., Department of Earth and Environmental Sciences, University of St. Andrews, Irvine Building, North Street, St. Andrews, KY16 9AL, United Kingdom
 
9:45 AM
Break
10:00 AM
DEVELOPMENT OF JURASSIC ARC COMPLEXES IN THE KLAMATH MOUNTAIN PROVINCE, CA AND OR
BARNES, Calvin G.1, WEISS, Rachel B.2, COINT, Nolwenn3, YOSHINOBU, Aaron S.1 and FROST, Carol D.4, (1)Department of Geosciences, Texas Tech University, Lubbock, TX 79409-1053, (2)Department of Geosciences, Texas Tech University, 2617 28th st, Lubbock, TX 79410, (3)Norwegian Geological Survey, P.O. box 6315, Sluppen, Trondheim, NO-7491, Norway, (4)Department of Geology and Geophysics, University of Wyoming, Dept. 3006, 1000 E. University Avenue, Laramie, WY 82071
10:15 AM
COEVAL ALKALINE AND SUBALKALINE MAGMATISM IN A CONTINENTAL ARC: GEOCHEMICAL AND ISOTOPIC INSIGHTS ON CONTRASTING MAGMA SOURCES IN THE ROSS OROGEN, ANTARCTICA
HAGEN-PETER, Graham A., Department of Earth Science, University of California, Santa Barbara, 1006 Webb Hall-MC 9630, Santa Barbara, CA 93106-9630 and COTTLE, John M., Dept of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106-9630
10:30 AM
U-PB, O AND HF ISOTOPE EVIDENCE OF DURATION, SOURCES AND CRUSTAL SIGNATURES DURING GRANITE BATHOLITH MAGMATISM IN THE ROSS OROGEN, ANTARCTICA
GOODGE, John W.1, FANNING, C. Mark2, FISHER, Christopher M.3, VERVOORT, Jeffrey D.3 and BUSCHETTE, Michael J.1, (1)Department of Earth & Environmental Sciences, University of Minnesota, Duluth, MN 55812, (2)Research School of Earth Sciences, Australian National University, Canberra, ACT 0200, Australia, (3)School of the Environment, Washington State University, Pullman, WA 99164
10:45 AM
THE TEMPO OF CONTINENTAL MARGIN ARC CONSTRUCTION AND EXTENSIONAL OROGENIC COLLAPSE: A DEEP-CRUSTAL PERSPECTIVE FROM FIORDLAND, NEW ZEALAND
SCHWARTZ, Joshua J.1, STOWELL, Harold H.2, KLEPEIS, Keith A.3, TULLOCH, Andy4, COBLE, Matthew A.5, KYLANDER-CLARK, Andrew6 and HACKER, Brad6, (1)Department of Geological Sciences, California State University Northridge, 18111 Nordhoff Street, Northridge, CA 91330, (2)Department of Geological Sciences, University of Alabama, Tuscaloosa, AL 35487, (3)Geology, University of Vermont, Trinity Campus, Burlington, VT 05405, (4)GNS Science, Dunedin, 1930, New Zealand, (5)Department of Geological Sciences, Stanford University, Stanford, CA 94305, (6)Geological Sciences, UC, Santa Barbara, Department of Geological Sciences, UC Santa Barbara—Building 526, Santa Barbara, CA 93106-9630
11:00 AM
TRACKING THE INFLUENCE OF CRUSTAL CONTRIBUTIONS TO THE DEEP ROOT OF A CONTINENTAL ARC, FIORDLAND, NEW ZEALAND
WIESENFELD, John A.1, SCHWARTZ, Joshua J.1, STOWELL, Harold H.2, SADORSKI, Joseph Frank1, BURGH, Kyzara1, KLEPEIS, Keith A.3 and TULLOCH, Andy4, (1)Department of Geological Sciences, California State University Northridge, 18111 Nordhoff Street, Northridge, CA 91330, (2)Department of Geological Sciences, University of Alabama, Tuscaloosa, AL 35487, (3)Geology, University of Vermont, Trinity Campus, Delehanty Hall, 180 Colchester Ave, Burlington, VT 05405, (4)GNS Science, Dunedin, 1930, New Zealand
11:15 AM
70 MA OF ARC EVOLUTION IN PANAMA: THE INFLUENCE OF TECTONIC FORCING DURING THE TRANSITION FROM AN INTRA-OCEANIC TO A CONTINENTAL ARC
FARRIS, David W., Earth, Ocean and Atmospheric Sciences, Florida State University, 909 Antarctic Way, Carraway Building, Tallahassee, FL 32306-4100
11:30 AM
TECTONIC CONTROL ON THE EMPLACEMENT OF CRETACEOUS TO PALEOGENE GRANITIC BATHOLITHS IN THE SOUTHWESTERN JAPAN ARC
TAKAGI, Tetsuichi, Geological Survey of Japan, National Institute of Advanced Industrial Sci and Technology, Central-7, 1-1-1 Higashi, Tsukuba, 305-8567, Japan
11:45 AM
THE INTRA-OCEANIC ALEUTIAN, MARIANA, AND TONGA SUBDUCTION ZONES FORMED SEPARATELY BUT SINCE INCEPTION AT ~45-55 MA BUILT AT HIGH PRODUCTION RATES VOLUMETRICALLY SIMILAR AND LARGE ARC MASSIFS—WHY?
SCHOLL, David, Geology and Geophysics, University of Alaska Fairbanks and U.S. Geological Survey, 345 Middlefield Rd, MS 999, Menlo Park, CA 94025 and STERN, Robert, Geosciences Department, University of Texas at Dallas, Box 830688, 800 W. Campbell Rd, Richardson, TX 75080
Handouts
  • SCHOLL SESSION 89-15 CENTRE-WEST 121, 1145AM copy.pptx (25.7 MB)
  • See more of: Technical Sessions