Funding for this research was provided by:
Science and Technology Research Project of China Nuclear Geology (2110400024)
Uranium Geological Exploration Fund Project of China National Nuclear Corporation (J2012-03)
Uranium Mine Exploration Project of Hunan Nuclear Geology (DK306-20170512)
ScieScientific Research Program of Hunan Nuclear Geology (KYQ-306-01)
Article History
Received: 18 July 2019
Revised: 9 February 2020
Accepted: 9 March 2020
First Online: 18 March 2020
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.