YOUNG, David J., Geological Sciences, The University of Texas at San Antonio, San Antonio, TX 78249, david.young@utsa.edu, KYLANDER-CLARK, Andrew, Department of Earth Science, University of California, Santa Barbara, CA 93106, and HACKER, Bradley R., Department of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106

MADDEN, Jeffrey R., Geological Sciences, University of Alabama, Box 870338, Tuscaloosa, AL 35487, jrmadden@crimson.ua.edu and STOWELL, Harold, Department of Geological Sciences, University of Alabama, Box 870338, Tuscaloosa, AL 35487