Biostratigraphy and reservoir characteristics of the Ordovician Wufeng Formation-Silurian Longmaxi Formation shale in the Sichuan Basin and its surrounding areas, China

WANG Hongyan,SHI Zhensheng,SUN Shasha

Fig. 6. Types and vertical distribution of bedding in the Wufeng Formation-Longmaxi Formation of Sichuan Basin and its surrounding areas.