1. Institute of Geomechanics; Chinese Academy of Geological Sciences; Beijing; 100081; China
2. Kochi Institute for Core Sample Research; Japan Agency for Marine-Earth Science and Technology (JAMSTEC); Nankoku; 783-8502; Japan
3. Institute of Geology; Chinese Academy of Geological Sciences; Beijing; 100037; China
4. School of Science; China University of Geosciences (Beijing); Beijing; 100083; China