Gail Lynn Christeson, University of Texas at Austin, Institute for Geophysics, Austin, TX, United States, Robert Reece, Texas A&M University, Geology and Geophysics, College Station, TX, United States, Justin David Estep, University of Arkansas, Fayetteville, AR, United States, Dominik Alexander Kardell, Montevideo, Uruguay and Richard L Carlson, Texas A&M University, Geology & Geophysics, College Station, TX, United States