Formation of continental crust in a temporally linked arc magma system from 5 to 30 km depth: ~ 90 Ma plutonism in the Cascades Crystalline Core composite arc section

Barbara Cäcilia Ratschbacher1, Jonathan S Miller2, Adam JR Kent3, Robert B Miller4, James Lawford Anderson5 and Scott R Paterson1, (1)University of Southern California, Los Angeles, CA, United States, (2)San Jose State University, Geology, San Jose, CA, United States, (3)Oregon State University, College of Earth, Ocean, & Atmospheric Sciences, Corvallis, OR, United States, (4)San Jose State University, San Jose, CA, United States, (5)Boston University, Boston, MA, United States