A rift trough along Mianxian -Lueyang ophiolitic melange belt was formed from Ordovician to Silurian.
The clouds and mist drift trough the mountains like a fairyland.
Shasonggang Co(Cu, Ni) deposit occurs in Laoling Group, rich boron, carbon clay rock with siliceous rock formation, Paleoproterozoic rift trough folded belt, which is the domestic a new type deposit.
