In the bottom of the first section, there are ferrodolomite, sericitic phyllite, and siliceous rocks, which were the country rocks of the Cu-Pb-Zn orebody.
In the Bafangshan-Erlihe ore deposit, mineralization is hosted in siliceous rock and ferrodolomite breccias.
This sedimentary sequence is composed of siliceous rocks, siliceous ferrodolomites, silicified limestones, and limestones.