含铜黄铁矿
Deposition of copper pyrite
cupriferous pyrite
含铜黄铁矿矿床
cupriferous pyrite depusits
黄铁矿型铜多属矿
pyrite type copper-polymetallic deposit
低品位黄铜矿矿石
Low-grade chalcopyrite ore
藤铁铁(铜)矿床
the Tengtie Fe(Cu) deposit
FeS2(黄铁矿)
american volunteers group
磁铁矿交代黄铁矿
replacing pyrite with magnetite