Arcs from the Inside Out I

Wednesday, 17 December 2014: 8:00 AM-10:00 AM
Chairs:  Terry A Plank, Lamont Doherty Earth Obs., Palisades, NY, United States and Esteban Gazel, Virginia Tech, Blacksburg, VA, United States
Primary Conveners:  Terry A Plank, Lamont -Doherty Earth Observatory, Palisades, NY, United States
Co-conveners:  Richard M Gaschnig, University of Maryland College Park, Department of Geology, College Park, MD, United States
OSPA Liaisons:  Jonathan S Miller, San Jose State University, San Jose, CA, United States

Abstracts Submitted to this Session:

8:00 AM
‘Andesite Model’ of Continental Crust Formation Revisited
James B Gill, Univ Califonia Santa Cruz, Santa Cruz, CA, United States
8:15 AM
Crustal Input into the Mantle through Subduction Zones, an Isotopic Perspective
Catherine Chauvel, ISTerre Institute of Earth Sciences, Saint Martin d'Hères, France
8:30 AM
Slab melting and magma generation beneath the southern Cascade Arc
Kristina J Walowski1, Paul J Wallace1 and Michael A Clynne2, (1)University of Oregon, Eugene, OR, United States, (2)USGS, Menlo Park, CA, United States
8:45 AM
Basalt-Limestone and Andesite-Limestone Interaction in the Arc Crust – Implications for Volcanic Degassing of CO2
Laura B Carter and Rajdeep Dasgupta, Rice University, Houston, TX, United States
9:00 AM
Along-Arc Variations in the Location of Frontal Volcanoes and the Orientation of Volcanic Cross-Chains in Subduction Zones: 3-D Mantle Wedge Flow and Sub-Arc Mantle Temperatures in the southern Kuril-NE Japan subduction zone
Ikuko Wada, International Research Institute of Disaster Science, Sendai, Japan and Jiangheng He, Pacific Geoscience Centre, Geological Survey of Canada, Sidney, BC, Canada
9:15 AM
The Redox Budget of the Mariana Subduction System
Maryjo N Brounce, University of Rhode Island Narragansett Bay, Narragansett, RI, United States, Elizabeth Cottrell, Smithsonian, NMNH, Washington, DC, United States and Katherine A Kelley, University of Rhode Island, Kingston, RI, United States
9:30 AM
Evidence of Arc Magma Genesis in a Paleo-Mantle Wedge, the Higashi-Akaishi Peridotite, Japan
Christy B. Till, Arizona State University, School of Earth and Space Exploration, Tempe, AZ, United States, Meghan R Guild, Arizona State University, Tempe, AZ, United States, Timothy L Grove, Massachusetts Institute of Technology, Earth, Atmospheric & Planetary Sciences, Cambridge, MA, United States and Richard W Carlson, Carnegie Institution for Science, Washington, DC, United States
9:45 AM
Migrating Ignimbrite Flares in the Central Andes, Implications for Crustal Evolution Based on Chemical, Isotopic, Geochronological, and GIS-Based Volumetric Data
Gerhard Worner1, Melanie Brandmeier2, Heye Freymuth3 and Rosanne M Heistek1, (1)Univ Gottingen, Gottingen, Germany, (2)Helmholtz Institute of Resource Technology, 09599 Freiberg, Germany, (3)University of Bristol, Dept. of Earth Sciences, Bristol S8 1R, United Kingdom