Funding for this research was provided by:
National Natural Science Foundation of China (41774078, 41774080, 41704075, 41604086)
Natural Science Foundation of Jiangxi Province (20161BAB211027)
Natural Science Foundation of Shandong Province (ZR20161DQ15)
Open Foundation of Fundamental Science on Radioactive Geology and Exploration Technology laboratory (RGET1605)
Article History
Received: 4 December 2017
Revised: 2 June 2018
Accepted: 9 June 2018
First Online: 18 June 2018