Sedimentary facies include river bed,alluvial flat,neritic,river mouth and limnetic,littoral,weathered continental drift bed and flood deposit facies.

• 沉积相主要有河床相、河漫滩相、浅海相、河口湾相、湖沼相、滨海相和陆相坡积洪积风化红土等7种类型，它们的分布与古河谷的形成演化和海平面的变化密切相关。