1. Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, People’s Republic of China
2. Institutions of Earth Science, Chinese Academy of Sciences, Beijing, People’s Republic of China
3. University of Chinese Academy of Sciences, Beijing, People’s Republic of China
4. Department of Earth Sciences, Quaid-i-Azam University, Islamabad, Pakistan
5. China-Pakistan Joint Research Centre on Earth Sciences, Islamabad, Pakistan