The deposit occurs in the carbargillite-siliceous rock and ferroan carbonate rock of the Sinian-Cambrian system on the border of the Douling doming paleostructure in South Qinling.

• 矿床产于南秦岭陡岭古隆起边缘寒武系一震旦系碳一泥一矽质板岩及白云岩中；