The Shishan and Fengshan deposits, two main ore deposits in the Yimen copper ore district, were long considered to be of terrigenous metamorphosed sedimentary origin.
长期以来，云南易门铜矿区中的狮山和凤山铜矿床被认为是陆源沉积变质成因。
The Shishan and Fengshan deposits, two main ore deposits in the Yimen copper ore district, were long considered to be of terrigenous metamorphosed sedimentary origin.
长期以来，云南易门铜矿区中的狮山和凤山铜矿床被认为是陆源沉积变质成因。
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