Favorable lithofacies types and genesis of marine-continental transitional black shale: A case study of Permian Shanxi Formation in the eastern margin of Ordos Basin, NW China
WU Jin,WANG Hongyan,SHI Zhensheng,WANG Qi,ZHAO Qun,DONG Dazhong,LI Shuxin,LIU Dexun,SUN Shasha,QIU Zhen
Fig. 11. Si/Al correlation of Shanxi Formation, Longmaxi Formation, and Barnett Formation shales.