The result shows that four types of sedimentary fades occur in this area, they are alluvial fan, fan delta, sublacustrine fan and lake fades.

• 研究表明，研究区三叠系发育冲积扇、扇三角洲、湖底扇和湖泊相等4种沉积相类型，从百口泉组到白碱滩组经历了气候由干旱至潮湿的湖侵过程。