GUEVARA, Victor, Geology Dep, Amherst College, 220 S Pleasant St, Amherst, MA 01002-2372, SMYE, Andrew J., Department of Geosciences, The Pennsylvania State University, University Park, PA 16802, CADDICK, Mark, Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, OLSEN, Telemak, Geology, Western Washington University, 516 High Street, Bellingham, WA 98225, SEARLE, Michael P., Department of Earth Sciences, University of Oxford, Oxford, OX1 3AN, United Kingdom, WHALEN, Lisa M., Geoscience, Virginia Tech, Blacksburg, VA 24061, KYLANDER-CLARK, Andrew, Dept. of Earth Science, UC Santa Barbara, Santa Barbara, CA 93106-9630, WATERS, David J., Department of Earth Sciences, University of Oxford, South Parks Road, Oxford, OX1 3AN, United Kingdom and JERCINOVIC, Michael J., Idaho Geological Survey, 322 E. Front St., Ste. 201, Boise, ID 83702