The main types of goldmine are metamorphic-rock & kataclastic-rock goldmine and irruptive rock goldmine.

金矿类别主要为变质火山岩及碎屑岩型金矿和侵入岩有关类型金矿。

youdao

The main types of goldmine are metamorphic-rock & kataclastic-rock goldmine and irruptive rock goldmine.

金矿类别主要为变质火山岩及碎屑岩型金矿和侵入岩有关类型金矿。

youdao