T51B:
Toward Constraining Subduction Zone Dynamics I Posters

Friday, 19 December 2014: 8:00 AM-12:20 PM
Chairs:  John Huw Davies, Cardiff University, Cardiff, CF24, United Kingdom and Saskia D B Goes, Imperial College London, London, SW7, United Kingdom
Primary Conveners:  John Huw Davies, Cardiff Univ, Cardiff, United Kingdom
Co-conveners:  Rhodri Davies, Australian National University, Canberra, ACT, Australia, Fabio a Capitanio, Monash University, Melbourne, VIC, Australia and Saskia D B Goes, Imperial College London, London, SW7, United Kingdom
OSPA Liaisons:  Rhodri Davies, Australian National University, Canberra, ACT, Australia

Abstracts Submitted to this Session:

4608
 
New Insights of the Rivera and Cocos Plates Subduction Beneath the Jalisco Block
Christian R Escudero1, Quiriart Jarim Gutierrez Pena1, Juan Ochoa1, Francisco J Nunez-Cornu1 and Diego Córdoba Barba Sr2, (1)University of Guadalajara, Puerto Vallarta, Mexico, (2)Complutense University of Madrid, Madrid, Spain
4609
 
Strike-Slip Deformation at the Ocean-Continent Boundary of the Algerian Continental Margin : Surface Expression of a STEP?
Rabia Badji1, Marie-Odile Beslier2, Rabah Bracene1, Philippe Charvis2, B F Mercier De Lepinay2, Audrey Galve2, Madjid Badsi1, David Graindorge3, Zahia Benaissa4 and Aidi Chafik5, (1)Sonatrach Divsion Exploration, Boumerdes, Algeria, (2)UMPC, UNSA, CNRS, IRD, Géoazur,, Valbonne, France, (3)University of Western Brittany, Brest, France, (4)USTHB, FSTGAT, Algiers, Algeria, (5)CRAAG, Algiers, Algeria
4610
 
Lateral slab tear tectonics of Calabria (S. Italy): investigating the STEP fault offshore eastern Sicily (the CIRCEE and DIONYSUS seismic surveys)
Marc-Andre Gutscher1, Heidrun Kopp2, Dirk Klaeschen2, Frauke Klingelhoefer3 and David Graindorge4, (1)CNRS, Paris Cedex 16, France, (2)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (3)IFREMER, Plouzané, France, (4)University of Western Brittany, Brest, France
4611
 
2D Numerical Simulations of Outer Rise Faulting in the Tonga Subduction System
Magali I Billen, University of California Davis, Davis, CA, United States, John B Naliboff, Geological Survey of Norway, Trondheim, Norway and Taras Gerya, ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland
4612
 
Tectonic Stress at IODP Site C0002, Nankai, Indicated by Borehole Resistivity Images of Two Boreholes Drilled under Different Annulus Pressures
Chandong Chang1, Insun Song2 and Hikweon Lee2, (1)Chungnam National University, Department of Geology, Daejeon, South Korea, (2)Korea Inst. Geosc. & Min. Res., Daejeon, South Korea
4613
 
The Mechanics Study of Accretionary Wedge Offshore Southern Taiwan
Ya-Tong Lai, NTNU National Taiwan Normal University, Taipei, Taiwan, En-Chao Yeh, NTNU National Taiwan Normal University, Department of Earth Sciences, Taipei, Taiwan and Char-Shine Liu, NTU National Taiwan University, Taipei, Taiwan
4614
 
Analysis of Faulting and Sediment Velocity Characteristics Outboard of the Cascadia Deformation Front from Multi-Channel Seismic Data.
James C Gibson1, Suzanne M Carbotte1, Shuoshuo Han1, Mladen R Nedimovic1,2, Juan Pablo Canales3 and Helene Delphine Carton1, (1)Lamont-Doherty Earth Observatory, Palisades, NY, United States, (2)Dalhousie University, Halifax, NS, Canada, (3)Woods Hole Oceanographic Institution, Woods Hole, MA, United States
4615
 
State of Hydration of the Juan de Fuca Plate Along the Cascadia Deformation Front from Controlled-Source Wide-Angle Seismic Data
Juan Pablo Canales, Woods Hole Oceanographic Inst, Geology and Geophysics, Woods Hole, MA, United States, Suzanne M Carbotte, Lamont-Doherty Earth Obs, Palisades, NY, United States, Helene Delphine Carton, LDEO, Palisades, NY, United States and Mladen R Nedimovic, Dalhousie University, Halifax, NS, Canada
4616
 
Crustal structure and evolution of the southern Juan de Fuca plate from wide-angle seismic data: Insights into the hydration state of the incoming plate off Cascadia subduction zone
Greg Horning1, Juan Pablo Canales2, Suzanne M Carbotte3, Mladen R Nedimovic4 and Helene Delphine Carton3, (1)WHOI-MIT Joint Program, Geology and Geophysics, Woods Hole, MA, United States, (2)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (3)Lamont-Doherty Earth Observatory, Palisades, NY, United States, (4)Dalhousie University, Halifax, NS, Canada
4617
 
Seismic Reflection Imaging of Subduction Bending-Related Faults at Cascadia
Shuoshuo Han1,2, Suzanne M Carbotte2, Helene Delphine Carton2, James C Gibson1, Juan Pablo Canales3 and Mladen R Nedimovic4, (1)Columbia University, New York, NY, United States, (2)LDEO, Palisades, NY, United States, (3)Woods Hole Oceanographic Inst, Geology and Geophysics, Woods Hole, MA, United States, (4)Dalhousie University, Halifax, NS, Canada
4618
 
Exploring Lesser Antilles subduction zone locking through modeling of cGPS and earthquake seismology data.
Machel Higgins, University of the West Indies, Kingston, Jamaica, John C Weber, Grand Valley State Univ, Allendale, MI, United States and Richard E A Robertson, Univ West Indies, St Augustine, Trinidad and Tobago
4619
 
Petrofabrics of High-Pressure Rocks Exhumed at the Slab-Mantle Interface from the ‘Point of No Return’
Donna L Whitney, Christian P Teyssier, Nicholas C Seaton and Katherine Fornash, University of Minnesota, Minneapolis, MN, United States
4620
 
Slab anisotropy from subduction zone guided waves in Taiwan
Kate Huihsuan Chen1, Yu-Lung Tseng2 and Jyr-Ching Hu2, (1)Department of Earth Sciences, National Taiwan Normal University, Taipei, Taiwan, (2)Department of Geoscience, National Taiwan University, Taipei, Taiwan
4621
 
Estimation of seismic velocity in the subducting crust of the Pacific slab beneath Hokkaido, northern Japan by using guided waves
Takahiro Shiina1, Junichi Nakajima1, Genti Toyokuni1, Saeko Kita2 and Toru Matsuzawa1, (1)Tohoku University, Sendai, Japan, (2)National Research Institute for Earth Science, Tsukuba, Japan
4622
 
Relating Seismic Subduction Images in Southern Peru to Mineralogy
Younghee Kim, Seoul National University, Seoul, South Korea and Robert W Clayton, California Institute of Technology, Pasadena, CA, United States
4623
 
Seismology in Ryukyu arc, Japan reveals the distribution and orientation of serpentine minerals suggesting convection and low viscosity of forearc mantle
Takayoshi Nagaya1, Andrew Walker2,3, James M Wookey2, Michael Kendall2 and Simon Wallis1, (1)Nagoya University, Nagoya, Japan, (2)University of Bristol, Bristol, United Kingdom, (3)University of Leeds, School of Earth and Environment, Leeds, United Kingdom
4624
 
Three-dimensional seismic attenuation structure beneath Kyusyu, Japan: Implications for arc magmatism
Hiroto Saita1, Junichi Nakajima2 and Takahiro Shiina1, (1)Tohoku University, Sendai, Japan, (2)Tohoku Univ, Sendai, Japan
4625
 
Focusing fluids towards the arc: the role of rheology and reactions
Cian R Wilson and Marc W Spiegelman, Lamont -Doherty Earth Observatory, Palisades, NY, United States
4626
 
Factors Controlling Slab Retreat and the Formation of Back-Arcs: Insights from Numerical Models
Ritske S Huismans1 and Arjan Grool1,2, (1)University of Bergen, Bergen, Norway, (2)CRPG Centre de Recherches Pétrographiques et Géochimiques, Vandoeuvre-Les-Nancy, France
4627
 
Overriding plate thickness control on subducting slab curvature
Adam Holt, University of Southern California, Los Angeles, CA, United States, Bruce A Buffett, University of California Berkeley, Berkeley, CA, United States and Thorsten W Becker, University of Southern California, Department of Earth Sciences, Los Angeles, CA, United States
4628
 
Contribution of Elasticity in Slab Bending
Loic Fourel, Institut de Physique du Globe de Paris, Paris, France, Saskia D B Goes, Imperial College London, London, SW7, United Kingdom and Gabriele Morra, University of Louisiana at Lafayette, Lafayette, LA, United States
4629
 
Trench Advance By the Subduction of Buoyant Features - Application to the Izu-Bonin-Marianas Arc
Saskia D B Goes, Imperial College London, London, SW7, United Kingdom, Loic Fourel, Institut de Physique du Globe de Paris, Paris, France and Gabriele Morra, University of Louisiana at Lafayette, Lafayette, LA, United States
4630
 
Constraining the Conditions Required for the Delamination of Subducting Crust
Benjamin Louis Maunder1, Jeroen Van Hunen2, Valentina Magni1 and Pierre Bouilhol3, (1)University of Durham, Durham, DH1, United Kingdom, (2)University of Durham, Durham, United Kingdom, (3)Durham University, Durham, United Kingdom
4631
 
Dynamic Linkages Between the Transition Zone & Surface Plate Motion in 2D Models of Subduction
Katrina Arredondo, University of California Davis, Davis, CA, United States and Magali I Billen, UC Davis, Davis, CA, United States
4632
 
What Formed the Basement Ridges on the Indian Plate?
Jolante W Van Wijk1, Michael Murphy2, An Yin3, Nicole Arres4 and Rediet Abera1, (1)New Mexico Institute of Mining and Technology, Socorro, NM, United States, (2)University of Houston, Houston, TX, United States, (3)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States, (4)Southwestern Energy Company, Houston, TX, United States
4633
 
The Effect of Upper to Lower Mantle Viscosity Jump on the Regime Diagram of Slab Deformation in the Mantle Transition Zone
Fanny Garel1,2, Saskia D B Goes3, Rhodri Davies4, John Huw Davies1, Stephan C Kramer2 and Cian R Wilson5, (1)Cardiff University, Cardiff, CF24, United Kingdom, (2)Imperial College, London, United Kingdom, (3)Imperial College London, London, SW7, United Kingdom, (4)Australian National University, Canberra, ACT, Australia, (5)Lamont -Doherty Earth Observatory, Palisades, NY, United States
4634
 
Slab Driven Plate Motions and Three-dimensional Mantle Flow Pathways in the Central American Subduction Zone
Margarete Ann Jadamec, University of Houston, Dept. of Earth and Atmospheric Sciences, Houston, TX, United States and Karen M. Fischer, Brown University, Dept. of Earth, Environmental and Planetary Sciences, Providence, RI, United States
4635
 
Down-dip and Along-strike Stress in Subducting Slabs
Patrizio Petricca1, Eugenio Carminati1, Roberto Basili2 and Carlo Doglioni1, (1)Sapienza University of Rome, Rome, Italy, (2)INGV Istituto Nazionale di Geofisica e Vulcanologia, Roma, Italy
4636
 
Imaging subducted high velocity slabs beneath the sea of Okhotsk using depth phases
Dunzhu Li1, Kangchen Bai1, Donald V Helmberger1, Daoyuan Sun2 and Shengji Wei1, (1)California Institute of Technology, Pasadena, CA, United States, (2)University of Science and Technology of China, Hefei, China
4637
 
Physical Parameters Controlling Subduction Dynamics and Surface Topography in Self-consistent Global Models of Mantle Convection
Marie I Pears1, Fabio Crameri1, Carolina R Lithgow-Bertelloni1 and Paul J Tackley2, (1)University College London, London, United Kingdom, (2)ETH Zurich, Zurich, Switzerland
4638
 
A Regime Diagram of Mobile-lid Convection with Plate-like Behaviour
Robert I Petersen1, Dave R Stegman1 and Paul J Tackley2, (1)University of California San Diego, La Jolla, CA, United States, (2)ETH Zurich, Zurich, Switzerland
4639
 
A Modified Wilson Cycle Scenario Based on Thermo-Mechanical Model
Marzieh Baes and Stephan V. Sobolev, Geo Forschungs Zentrum Potsdam, 2.5, Potsdam, Germany
 
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