[1] Key Lab of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining,810008, China
[2] Qinghai Provincial Key Laboratory of Geology and Environment of Salt Lakes, Xining,810008, China
[3] Faculty of Land and Resources Engineering, Kunming University of Science and Technology, Kunming,650093, China