FERRILL, David1, SMART, Kevin1, EVANS, Mark A.2, CAWOOD, Adam J.1, MORRIS, Alan P.1, MCGINNIS, Ronald N.1, LEHRMANN, Daniel3, SICKMANN, Zachary T.4 and BELLOW, Harrison B.1, (1)Space Science & Engineering Division, Southwest Research Institute, 6220 Culebra Road, San Antonio, TX 78238-5166, (2)Department of Geological Sciences, Central Connecticut State University, 1615 Stanley Street, New Britain, CT 06050, (3)Geosciences, Trinity University, One Trinity Place, San Antonio, TX 78212, (4)Department of Geological Sciences, University of Texas at Austin, 4525 Speedway, Austin, TX 78751