Mineralogical and geochemical characteristics of the third member of Palaeogene Dongying formation in the Nanpu Sag, Bohai Bay Basin: implications for controlling on organic matter accumulation - Yin, Shiyan; Yao, Aidong; Cheng, Jianzhong; Lei, Chuang; Wang, Zhaosheng; Zhang, Zhenguo; Zhang, Ying; Wang, Yu; Han, Xiaoying; Ma, Zhigang (Frontiers in Earth Science, 2025)