Its sedimentary structure includes large-scale inclined beddings, trough cross-beddings, low-angle cross-beddings as well as an erosional basal surface.
具有大型单斜层理、槽状交错层理和低角度交错层理，底部具冲刷面；
2
The Angle limiting apparatus comprises an arched plate, a trough-shaped plate, an orienting plate, a transverse bolt and a transverse bolt positioning plate.