Author Affiliations +
J. KEITH RIGBY,1 BENJAMIN J. KESSEL,2 BRADLEY D. RITTS,3 SCOTT J. FRIEDMAN2
1Department of Geology, S-389 Eyring Science Center, Brigham Young University, Provo, Utah 84602-4606,
2Department of Geology, 4505 Old Main Hill, Utah State University, Logan 84322-4505,
3Department of Geological Sciences, 1101 10th Street, Indiana University, Bloomington 47405