There are shales and sandstones, which are marked by downslope in the continental basins and called the formation of polymict sandstone.
往上变为近海湖盆沉积，由砂岩、页岩组成，具有陆相盆地滑坡的标志，称为复矿砂岩建造。
There are shales and sandstones, which are marked by downslope in the continental basins and called the formation of polymict sandstone.
往上变为近海湖盆沉积，由砂岩、页岩组成，具有陆相盆地滑坡的标志，称为复矿砂岩建造。
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