1 School of Geography Science, Nanjing Normal University, Nanjing 210023, China; Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing 100101, China; zhenghb@njnu.edu.cn xcwnju@gmail.com.
2 School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China; zhenghb@njnu.edu.cn xcwnju@gmail.com.
3 Department of Earth and Planetary Science, University of Tokyo, Tokyo 113-0033, Japan;
4 Department of Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803;
5 Tourism and Environment College, Shaanxi Normal University, Xi'an 710119, China;
6 Western Australian Argon Isotope Facility, Department of Applied Geology and John de Laeter Centre, Curtin University, Perth, WA 6845, Australia.
7 School of Geography Science, Nanjing Normal University, Nanjing 210023, China;