Located in Baiyu County of western Sichuan Province, the Gacun silver_polymetallic deposit is a typical marine volcanics_hosted massive sulfide deposit in Late Triassic (T 3) Yidun volcanic belt.

• 通过大量岩石、矿石光(薄)片观察鉴定、电子探针分析,首次查明呷村海相火山岩型银多金属块状硫化物矿床有硫砷铜银矿和硫砷铜矿两种硫盐矿物。