Evidence for Terrane Accretion, Localized Rifting and Magmatism from the Crustal Velocity Structure of the Southeastern United States

Rachel E Marzen1, Donna J Shillington1, Daniel Lizarralde2 and Steven H Harder3, (1)Columbia University of New York, Palisades, NY, United States, (2)WHOI, Woods Hole, MA, United States, (3)University of Texas at El Paso, El Paso, TX, United States