GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 215
Tuesday, 24 October 2017: 8:00 AM-12:00 PM
Tahoma 5 (The Conference Center)

T232. Subduction Zone Response to Ridge and Plateau Collision: Perspectives from the Archean to the Cenozoic

GSA Structural Geology and Tectonics Division
Michael P. Eddy and Paul J. Umhoefer, Advocates
 
8:00 AM
Introductory Remarks
8:15 AM
SLAB WINDOWS: FROM UNDERSTANDING THE CENOZOIC TO SOLVING THE PRECAMBRIAN (Invited Presentation)
THORKELSON, Derek, Earth Sciences, Simon Fraser University, Burnaby, BC V5A 1S6, Canada and EYUBOGLU, Yener, Department of Geology, Karadeniz Technical University, Trabzon, 61080, Turkey, dthorkel@sfu.ca
8:35 AM
THE EFFECT OF SPREADING RIDGES AND BUOYANT CRUST ON THE DYNAMICS OF SUBDUCTION (Invited Presentation)
BILLEN, Magali I., Department of Earth and Planetary Sciences, University of California, One Shields Avenue, Davis, CA 95616, mibillen@ucdavis.edu
8:55 AM
LATE CENOZOIC SUBDUCTION OF THE CHILE RIDGE BENEATH PATAGONIA:  RESULTS FROM PASSIVE SEISMIC DEPLOYMENTS (Invited Presentation)
RUSSO, R.M., Department of Geological Sciences, University of Florida, P.O. Bos 112120, 241 Williamson Hall, Gainesville, FL 32611, rmrusso2010@gmail.com
9:15 AM
IMAGED AND PREDICTED MANTLE STRUCTURE OF THE SUBDUCTED IZANAGI-PACIFIC RIDGE UNDER EAST ASIA
WU, Jonny1, LIN, Yi-An1 and FLAMENT, Nicolas2, (1)Department of Earth and Atmospheric Sciences, university of Houston, 3507 Cullen Blvd, Houston, TX 77204, (2)School of Earth and Environmental Sciences, University of Wollongong, Wollongong, 2522, Australia, jwu40@central.uh.edu
9:30 AM
LATERAL VARIATIONS IN THE CRUSTAL STRUCTURE OF THE PAKISTAN REGION
PRIESTLEY, Keith F.1, RAFI, Zahid2 and MAHMOOD, Nasir2, (1)Bullard Laboratories, Department of Earth Sciences, University of Cambridge, Madingley Rise, Madingley Road, Cambridge, CB3 0EZ, United Kingdom, (2)Seismic Division, Pakistan Meteorological Department, SECTOR H-8/2, Islamabad, 44000, Pakistan, kfp10@cam.ac.uk
9:45 AM
NEOGENE MAGMATISM ALONG WESTERN CORDILLERA OF COLOMBIA AND ITS RELATIONSHIP WITH THE TECTONIC HISTORY OF THE NORTHERN ANDES
BARBOSA-ESPITIA, Ángel A.1, FOSTER, David A.1, PARDO-TRUJILLO, Andres2, RESTREPO-MORENO, Sergio A.3 and KAMENOV, George1, (1)Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, (2)Departamento de Ciencias Geológicas, Instituto de Investigaciones en Estratigrafia, Universidad de Caldas, Calle 65 # 26-10, Edificio Orlando Sierra, Bloque B, 2do piso, Manizales, 00000, Colombia, (3)Departamento de Geociencias y Medio Ambiente, Universidad Nacional de Colombia, Facultad de Minas, Carrera 80 No 65-223, Nucleo Robledo, Medelln, 000000, Colombia, angelbarbosa@ufl.edu
 
10:00 AM
Break
10:15 AM
UPPER PLATE RESPONSE TO RIDGE AND PLATEAU SUBDUCTION, WASHINGTON CASCADES, USA: IMPLICATIONS FOR PLATE TECTONIC EVOLUTION OF THE PACIFIC NORTHWEST
UMHOEFER, Paul J., School of Earth Sciences and Environmental Sustainability, Northern Arizona University, 625 Knoles Drive, Box 4099, Flagstaff, AZ 86011, EDDY, Michael P., Department of Geosciences, Princeton University, Princeton, NJ 08544, MILLER, Robert B., Geology, San Jose State University, One Washington Square, San Jose, CA 95192, TEPPER, Jeffrey H., Department of Geology, University of Puget Sound, Tacoma, WA 98416 and SKINNER, Lisa A., School of Earth Sciences and Environmental Sustainability, Geology Program, Northern Arizona University, PO Box 4099, Flagstaff, AZ 86011, paul.umhoefer@nau.edu
10:30 AM
A DETAILED COMPARISON BETWEEN MID-PALEOZOIC NEW ENGLAND AND LATE CENOZOIC COASTAL CALIFORNIA: SUBDUCTION OF AN OCEANIC RIDGE-TRANSFORM FAULT SYSTEM
KUIPER, Yvette D., Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401 and WAKABAYASHI, John, Department of Earth and Environmental Sciences, California State University, Fresno, CA 93740, ykuiper@mines.edu
10:45 AM
ASEISMIC RIDGE SUBDUCTION, FLAT SLAB SUBDUCTION, THE TACONIC OROGENY IN WESTERN NEW ENGLAND, AND THE UTICA FORELAND BASIN IN EASTERN NEW YORK STATE
JACOBI, Robert D., EQT, 625 Liberty Avenue Suite 1700, Pittsburgh, PA 15222; Department of Geology, University at Buffalo, 126 Cooke Hall, Buffalo, NY 14260 and MITCHELL, Charles, Geology, University at Buffalo, 126 Cooke Hall, Buffalo, NY 14260, rdjacobi@buffalo.edu
11:00 AM
A LATE JURASSIC COLLISION EVENT IN CENTRAL TIBET IDENTIFIED BY DETRITAL ZIRCONS FROM THE MUGAGANGRI MéLANGE IN THE BANGONG-NUJIANG SUTURE ZONE
LI, Shimin1, ZHU, Di-Cheng1, WANG, Qing1, STERN, Robert J.2, ZHAO, Zhi-Dan1 and CAWOOD, Peter A.3, (1)State Key Laboratory of Geological Processes amd Mineral Resources, and School of Earth Science and Resources, China University of Geosciences, 29 Xue-Yuan Road, Haidian District, Beijing, 100083, China, (2)Geosciences, the University of Texas at Dallas, Richarson, TX 75080, (3)Earth Sciences, University of St Andrews, St Andrews, KY16 9AL, United Kingdom, shiminlee@163.com
11:15 AM
PALEOZOIC RIDGE SUBDUCTION AND SLAB WINDOWS IN THE CENTRAL ASIAN OROGENIC BELT: TECTONIC IMPLICATIONS FOR THE EVOLUTION OF AN ACCRETIONARY OROGEN
WINDLEY, Brian, Department of Geology, University of Leicester, Leicester, LE1 7RH, United Kingdom and XIAO, Wenjiao, State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, 100029, China, brian.windley@btinternet.com
11:30 AM
PRESSURE AND TEMPERATURE CONSTRAINTS ON CRETACEOUS PLUTONS OF THE WESTERN MOJAVE DESERT
SOTO, Paula Mariana and VAN BUER, Nicholas J., Department of Geological Sciences, California State Polytechnic University, Pomona, 3801 W Temple Ave, Pomona, CA 91768, pmsoto@cpp.edu
215-13
11:45 AM
Withdrawn
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