Institution: | 1. School of Earth and Environment, Anhui University of Science & Technology, Huainan 232001, Anhui, China;2. School of Earth Sciences, Lanzhou University, Lanzhou 730000, China;3. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS, Nanjing 210008, China;4. No. 7 Geology Team, Chinese Armed Police Forces, Yantai 264004, Shandong, China |