Shan, Xiaojing
Liu, Pengyu
Zhang, Liankai
Qin, Xiaoqun
Cao, Jianhua
Yu, Deshuang
Yao, Xin
Liu, Wen
Funding for this research was provided by:
National Natural Science Foundation of China (41571203)
the National Key Research and Development Program of China (2017YFC0406104)
Geological exploration project of Shandong province (2016-79)
China Geological Survey (DD20160305)
Article History
Accepted: 30 August 2019
First Online: 9 September 2019
Compliance with ethical standards
:
: The authors declare no conflict of interest.