1. Institute of Sedimentray Geology; Chengdu University of Technology; Chengdu 610059 Sichuan China
2. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (CDUT); Chengdu 610059 Sichuan China
3. State Key Laboratory of Continental Tectonics and Dynamics; Institute of Geology, Chinese Academy of Geological Sciences; Beijing 100037 China
4. Institute of Geology and Geophysics; Chinese Academy of Sciences; Beijing 100029 China