Chairs: Lara S Wagner, Carnegie Institution for Science, Department of Terrestrial Magnetism, Washington, DC, United States and Suzanne Mahlburg Kay, Cornell University, Ithaca, NY, United States
Primary Conveners: Megan L Anderson, Colorado College, Colorado Springs, CO, United States
Co-conveners: Lara S Wagner, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States and Suzanne Mahlburg Kay, Cornell University, Ithaca, NY, United States
OSPA Liaisons: Megan L Anderson, Colorado College, Colorado Springs, CO, United States
Tomographic imaging of the effects of Peruvian flat slab subduction on the Nazca slab and surrounding mantle under central and southern Peru
Alissa C Scire1, George Zandt1, Susan L Beck1, Brandon Bishop1, Cemal B Biryol2, Lara S Wagner3, Maureen D Long4, Estela Minaya5 and Hernando Tavera6, (1)University of Arizona, Tucson, AZ, United States, (2)University of North Carolina at Chapel Hill, Chapel Hill, NC, United States, (3)UNC-Chapel Hill, Chapel Hill, NC, United States, (4)Yale University, New Haven, CT, United States, (5)Observatorio San Calixto, La Paz, Bolivia, (6)Instituto Geofísico del Perú, Lima, Peru
Mantle Flow associated with the Peruvian Flat Slab and Subducting Nazca Ridge as inferred from Seismic Anisotropy
Caroline M Eakin1, Maureen D Long1, Lara S Wagner2, Susan L Beck3, Hernando Tavera4 and Cristobal Condori4, (1)Yale University, New Haven, CT, United States, (2)UNC-Chapel Hill, Chapel Hill, NC, United States, (3)University of Arizona, Tucson, AZ, United States, (4)Instituto Geofísico del Perú, Lima, Peru
Peruvian Trench to Andean Thrust Front: Evidence for Coupling of the Peruvian Flat Slab to the Over-Riding South American Plate
Brandon Bishop1, Susan L Beck1, George Zandt1, Alissa C Scire1, Lara S Wagner2, Maureen D Long3 and Hernando Tavera4, (1)University of Arizona, Tucson, AZ, United States, (2)UNC-Chapel Hill, Chapel Hill, NC, United States, (3)Yale University, New Haven, CT, United States, (4)Instituto Geofísico del Perú, Lima, Peru
Lithosphere-Mantle Interactions Associated with Flat-Slab Subduction
Melanie Gerault1, Thorsten W Becker1, Laurent Husson2 and Eugene Humphreys3, (1)University of Southern California, Department of Earth Sciences, Los Angeles, CA, United States, (2)Universite Joseph Fourier, ISTerre UMR CNRS 5275, Grenoble, France, (3)Univ Oregon, Eugene, OR, United States
Contrasting lithospheres: does one size fit all for the structure of mantle under foreland arches?
Megan L Anderson, Colorado College, Colorado Springs, CO, United States, Ryan C Porter, Northern Arizona University, Flagstaff, AZ, United States, William L Yeck, University of Colorado, Boulder, CO, United States, Anne F Sheehan, University of Colorado at Boulder, Boulder, CO, United States, Susan L Beck, University of Arizona, Tucson, AZ, United States and Hersh J Gilbert, Purdue University, West Lafayette, IN, United States
Eocene lake basins in Wyoming and Nevada record rollback of the Farallon flat-slab beneath western North America
Michael Elliot Smith1, Elizabeth J. Cassel2, Brian R Jicha3, Bradley S Singer3 and Alan Carroll3, (1)Northern Arizona University, Flagstaff, AZ, United States, (2)University of Idaho, Moscow, ID, United States, (3)University of Wisconsin Madison, Madison, WI, United States
Are Colorado Plateau Eclogite Xenoliths Franciscan?: Oxygen Isotope Evidence From Zoned Garnet
William Floyd Hoover1, Frederick Z Page1, Daniel J Schulze2, Kouki Kitajima3 and John W Valley4, (1)Oberlin College, Oberlin, OH, United States, (2)University of Toronto, Toronto, ON, Canada, (3)University of Wisconsin, Madison, WI, United States, (4)Univ Wisconsin Madison, Madison, WI, United States