Where do arc magmas differentiate? A seismic and geochemical search for active, deep crustal MASH zones

Xiaofei Pu, University of Michigan Ann Arbor, Ann Arbor, United States, Jonathan R Delph, University of Oregon, Earth Sciences, Eugene, OR, United States, Kei Shimizu, DTM Carnegie Institution, Washington, DC, United States, Daniel J. Rasmussen, National Museum of Natural History, Smithsonian Institution, Mineral Sciences, Washington, DC, United States and Barbara Cäcilia Ratschbacher, California Institute of Technology, Seismological Laboratory, Pasadena, United States