The original rocks of the mineral deposit are rhyolite and tuff.Due to hydrothermal alteration under proper conditions the ore can be formed.It is also shown that the bentonites are calcareous ones.

• 综合研究表明，该矿床是以流纹岩及凝灰岩为成矿原岩，在特定的条件下，经热液蚀变改造而形成的矿床。