The basin tectonics controlled sedimentary evolution obviously, Multiple unconformities led to multiple clastic sediment supply to the basin, but the supply was not sufficient to fill up the basin.

• 湖盆构造演化对沈积演化有明显的控制作用。多个不整合层序界面发育多期碎屑物质供给，但沈积物供给并不充分。