Funding for this research was provided by:
the National Natural Science Foundation of China (41871305)
the National key R & D program of China (2017YFC0602204)
the Fundamental Research Funds for the Central Universities, China University of Geoscience (CUGQY1945)
the Opening Fund of Key Laboratory of Geological Survey and Evaluation of Ministry of Education and the Fundamental Research Funds for the Central Universities (GLAB2019ZR02)
Article History
Received: 31 March 2020
Accepted: 23 June 2020
First Online: 1 July 2020