Funding for this research was provided by:
National Natural Science Foundation of China (41602166)
National Scientific and Technology Major Project (2016ZX05004 002-001)
PetroChina Innovation Fund (2018D-5007-0105)
Scientific Research Starting Project of SWPU (2017QHZ005)
Shandong Provincial Key Laboratory of Depositional Mineralization (DMsMzO1TO35)
Text and Data Mining valid from 2019-02-27
Received: 23 April 2018
Accepted: 24 October 2018
First Online: 27 February 2019
: The authors declare that they have no competing interests.
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