Shuangpo Ren, China University of Geosciences (Wuhan), Wuhan, China, Ye Zhang, Univ of Wyoming, Geology and Geophysics, Laramie, WY, United States, Yuli Wang, University of Arizona, Tucson, AZ, United States, Tian-Chyi J Yeh, Univ Arizona, Tucson, AZ, United States and Bradley Carr, University of Wyoming, Geology and Geophysics, Laramie, WY, United States