Upper Permian is landfacies fragments rock construction.
上统为陆相碎屑岩建造。
2
During the early period of the basin, it was deposited mainly bearing coal construction clastic rocks and volcanic rocks of landfacies.
盆地早期，沉积了以陆相碎屑岩和火山岩为主的含煤建造。
3
Based on sequence stratigraphy principles, an exploration method for the subtle traps in lake basin slope break of landfacies was put forward by using the theory of slope break.