1. Nanjing Center, China Geological Survey, Nanjing 210016, China
2. Institute of International Rivers and Eco-Security, Yunnan University, Kunming 650500, China
3. Hubei Key Laboratory of Paleontology and Geological Environment Evolution, Wuhan 430205, China
4. Exploration Research Institute, Anhui Provincial Bureau of Coal Geology, Hefei 230088, China
5. School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, China
6. Qiangtang Institute of Sedimentary Basin, Southwest Petroleum University, Chengdu 610500, China