The overbank and fluvial channel sub-facies in the fluvial facies were developed.Only delta front sub-facies was developed in the delta facies.

• 其中,河流相中发育堤泛亚相和河道亚相,在三角洲相中仅发育三角洲前缘亚相,湖泊相中以浅湖亚相为特征。