T51C:
Constructing Crust from the Backarc to the Forearc in the Izu-Bonin-Mariana (IBM) and Other Arc Systems I

Friday, 19 December 2014: 8:00 AM-10:00 AM
Chairs:  Mark K Reagan, University of Iowa, Iowa City, IA, United States, Yoshihiko Tamura, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, Carlos J Garrido, IACT, Granada, Spain and Tomoaki Morishita, Kanazawa University, Kanazawa, Japan
Primary Conveners:  Mark K Reagan, University of Iowa, Iowa City, IA, United States
Co-conveners:  Yoshihiko Tamura, JAMSTEC, Yokosuka, Japan, Carlos J Garrido, IACT, Granada, Spain and Tomoaki Morishita, Kanazawa University, Kanazawa, Japan
OSPA Liaisons:  Mark K Reagan, University of Iowa, Iowa City, IA, United States

Abstracts Submitted to this Session:

8:00 AM
 
IODP Expedition 351 Izu-Bonin-Mariana Arc Origins: Preliminary Results
Osamu Ishizuka, Geological Survey of Japan, Tsukuba, Ibaraki, Japan; JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, Richard J Arculus, Australian National University, Canberra, Australia and Kara Bogus, Integrated Ocean Drilling Program, College Station, TX, United States
8:15 AM
 
IODP Expedition 352 (Bonin Forearc): First Results
Julian Anthony Pearce, Cardiff University, Cardiff, CF24, United Kingdom, Mark K Reagan, University of Iowa, Iowa City, IA, United States, Robert J Stern, Univ Texas Dallas, Richardson, TX, United States and Katerina E Petronotis, Integrated Ocean Drilling Program, College Station, TX, United States
8:30 AM
 
The Missing Half of the Subduction Factory: Preliminary Results from the Izu Rear ARC, IODP Expedition 350, Site U1437
Cathy Jeanne Busby, University of California Santa Barbara, Santa Barbara, CA, United States, Yoshihiko Tamura, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan and Peter Blum, Texas A&M University, International Ocean Discovery Program, College Station, TX, United States
8:45 AM
 
Rock Magnetic Signal of Fluid Systems at IODP Site U1437 in the Izu Rear Arc
Robert J Musgrave, Geological Survey of New South Wales, NSW Trade & Investment, Maitland, NSW, Australia; University of Sydney, School of Geosciences, Sydney, Australia, Myriam Kars, Center for Advanced Marine Core Research, Kochi University, Nankoku, Japan and Beth Novak, Integrated Ocean Discovery Program, Texas A&M University, College Station, TX, United States
9:00 AM
 
The Southern Mariana Forearc: An Active Subduction Initiation (SI) Analogue
Robert J Stern, Univ Texas Dallas, Richardson, TX, United States, Sherman H Bloomer, Oregon State University, Corvallis, OR, United States, Maryjo N Brounce, California Institute of Technology, Pasadena, CA, United States, Teruaki Ishii, Fukuda Geological Institute, Tokyo, Japan, Osamu Ishizuka, Geological Survey of Japan, Tsukuba, Ibaraki, Japan, Katherine A Kelley, University of Rhode Island, Kingston, RI, United States, Fernando Martinez, Univ of Hawaii-SOEST/HIGP, Honolulu, HI, United States, Yasuhiko Ohara, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, Ignacio Pujana, University of Texas at Dallas, Richardson, TX, United States, Mark K Reagan, University of Iowa, Iowa City, IA, United States and Julia Ribeiro, University of Texas at Dallas, Dallas, TX, United States
9:15 AM
 
Temporal Evolution of the Mariana Arc: Mantle Wedge and Subducted Slab Controls Revealed with a Tephra Perspective
Susanne M Straub, Lamont Doherty Earth Observato, Palisades, NY, United States, Jon D Woodhead, University of Melbourne, Parkville, Australia and Richard J Arculus, Australian National University, Canberra, Australia
9:30 AM
 
Seismic velocity variation along the Izu-Bonin arc estaimated from traveltime tomography using OBS data
Koichiro Obana1, Yoshihiko Tamura1, Tsutomu Takahashi1 and Shuichi Kodaira2, (1)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (2)IFREE JAMSTEC, Yokohama, Japan
9:45 AM
 
Possible large-volume mafic explosive eruptions in the Izu arc recorded in IODP Site U1436
Yoshihiko Tamura1, Martin Jutzeler2, Julie Christin Schindlbeck3, Alex RL Nichols1, Susan DeBari4, James Gill5, Cathy Jeanne Busby6 and Peter Blum7, (1)JAMSTEC, Yokosuka, Japan, (2)University of Otago, National Oceanography Centre, Southampton, United Kingdom, (3)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (4)Western Washington University, Bellingham, WA, United States, (5)University of California Santa Cruz, Santa Cruz, CA, United States, (6)University of California Santa Barbara, Santa Barbara, CA, United States, (7)Texas A & M University, College Station, TX, United States
 
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