What is Magnetic in the Mantle Wedge Beneath Island Arcs?

Sarah A Friedman, Georgia Southern University, Geology and Geograhy, Statesboro, United States, Eric C. Ferre, University of Louisiana at Lafayette, School of Geosciences, Lafayette, LA, United States, Fatima Martin-Hernandez, Instituto de Geociencias (CSIC-UCM), Madrid, Spain, Joshua M Feinberg, University of Minnesota, Institute for Rock Magnetism, Department of Earth & Environmental Sciences, Minneapolis, MN, United States, Shoji Arai, Kanazawa Univ, Kanazawa Ishikawa, Japan and Dmitri A Ionov, University of Montpellier II, Montpellier Cedex 05, France