Mingxuan Tan (College of Geosciences, China University of Petroleum(Beijing), Beijing 102249, China), Xiaomin Zhu (College of Geosciences, China University of Petroleum(Beijing), Beijing 102249, China), Wei Wei (Department of Geology, College of Geosciences, China University of Petroleum (Beijing), Beijing, 102249,China/ Department of Earth & Ocean Sciences, Tufts University, Medford, MA, 02155, USA), Chenbingjie Wu (College of Geosciences, China University of Petroleum(Beijing), Beijing 102249, China), Rong Pan (College of Geosciences, China University of Petroleum(Beijing), Beijing 102249, China)