1 Institute of Cultural Heritage, Shandong University, Qingdao, 266237, China; Guangxi Academy of Sciences, Nanning, 530007, China.
2 Univ. Bordeaux, CNRS, MCC, PACEA, UMR 5199, F-33600, Pessac, France.
3 Institute of Cultural Heritage, Shandong University, Qingdao, 266237, China.
4 Institute of Cultural Heritage, Shandong University, Qingdao, 266237, China; Anthropology Museum of Guangxi, Nanning, 530012, China.
5 School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, 221116, China.
6 Guangxi Academy of Sciences, Nanning, 530007, China; Key Laboratory of Beibu Gulf Environment Change and Resources Utilization of Ministry of Education, Nanning Normal University, Nanning, 530001, China. Electronic address: XGL6476@126.com.
7 Institute of Cultural Heritage, Shandong University, Qingdao, 266237, China. Electronic address: wangw@sdu.edu.cn.