Fig. 2

Generalized stratigraphic column of Zhanhua Sag showing lithologies, paleoenvironment, and tectonic evolution (Zhu et al.46; Qiao et al.22).

Generalized stratigraphic column of Zhanhua Sag showing lithologies, paleoenvironment, and tectonic evolution (Zhu et al.46; Qiao et al.22).