1 State Key Laboratory of Tibetan Plateau Earth System, Resources and Environment, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China; School of Archaeology and Museology, Peking University, Beijing 100871, China.
2 State Key Laboratory of Tibetan Plateau Earth System, Resources and Environment, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China.
3 Key Laboratory of Western China's Environmental Systems (Ministry of Education), College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China.
4 State Key Laboratory of Tibetan Plateau Earth System, Resources and Environment, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100086, China.
5 Department for the History of Science and Scientific Archaeology, University of Science and Technology of China, Hefei 230026, China.
6 Tibetan Institute for the Preservation of Cultural Relics, Lhasa 850015, China.
7 Key Laboratory of Cultural Heritage Research and Conservation, School of Cultural Heritage, Northwest University, Xi'an 710127, China.
8 Institute of Archaeology, Chinese Academy of Social Sciences, Beijing 100710, China.
9 Key Laboratory of Western China's Environmental Systems (Ministry of Education), College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China. Electronic address: [email protected].