Karashayi Formation consists alternately of coastal plain factes and fan-delta factes, whereas the Xiaohaizi Formation consistsmainly of shelf factes and fan-delta factes.However, the fan-del...

• 两个层序中的扇三角洲相分别是海平面高位期及海平面快速上升时的沉积，具明显的陆架型湿型扇三角洲特征。