Located in the west of the Yimen copper belt in Yunnan, the Sanjiachang copper deposits are divided into the Shishan type and the Fengshan type, according to their occurrence, mineral assemblage and mineralization.

• 易门三家厂铜矿位于云南易门铜矿带西部 ,按产状、矿物组合及成矿作用可分为狮山式和凤山式矿床。