Funding for this research was provided by:
Deep Geological Survey of Benxi–Linjiang Area (1212011220247)
Text and Data Mining valid from 2019-05-15
Received: 14 December 2018
Accepted: 4 May 2019
First Online: 15 May 2019
Consent for publication
: Not applicable.
: The authors declare that they have no competing interests.