1. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, People’s Republic of China
2. University of Chinese Academy of Sciences, Beijing, People’s Republic of China
3. Key Laboratory of Shale Gas and Geoengineering, CAS, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, People’s Republic of China
4. Institute of Earth Sciences, Chinese Academy of Sciences, Beijing, People’s Republic of China