SPENCER, Brandon1, POWELL, Nicholas E.2, THIGPEN, Ryan2, MOECHER, David P.3, STOWELL, Harold H.4 and MERSCHAT, Arthur5, (1)Department of Earth and Environmental Sciences, University of Kentucky, Lexington, KY 40506; Boone Pickens School of Geology, Oklahoma State University, 302 Noble Research Center, Stillwater, OK 74078, (2)Department of Earth and Environmental Sciences, University of Kentucky, 121 Washington Avenue, LEXINGTON, KY 40506, (3)Earth & Env. Sciences, University of Kentucky, 101 Slone Bldg, Lexington, KY 40506-0053, (4)Department of Geological Sciences, University of Alabama, BOX 870338, Tuscaloosa, AL 35487, (5)U.S. Geological Survey, Florence Bascom Geoscience Center, Reston, VA 20192