The conclusions show that Xujiahe Formation mainly deposited on alluvial fans, lacustrine deltas, lacustrine facies, marine deltas facies, shoreline facies and bay facies.

• 结果表明：研究区内主要发育了冲积扇、湖相三角洲、湖泊、海相三角洲、滨岸和海湾六种主要的沉积相类型；