1. Science and Technology on Parallel and Distributed Processing LaboratoryNational University of Defense Technology Changsha 410073 China
2. State Key Laboratory of Ore Deposit Geochemistry, Institute of GeochemistryChinese Academy of Sciences Guiyang 550002 China
3. University of Chinese Academy of Sciences Beijing 100049 China
4. School of Geosciences and Info‐PhysicsCentral South University Changsha 410083 China
5. Key Laboratory of Shale Gas and GeoengineeringInstitute of Geology and Geophysics, Chinese Academy of Sciences Beijing 10029 China