1. State Key Laboratory of Continental Dynamics, and Department of Geology, Northwest University, Xi’an, Shaanxi, China
2. Shaanxi Key Laboratory of Early Life and Environment, Northwest University, Xi’an, Shaanxi, China
3. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China
4. Research Institute of Shaanxi Yanchang Petroleum Group Co., Ltd, Xi’an, Shaanxi, China