矿石分析

diggings【矿】;mineral field【矿】;ore district【矿】

ore cluster【地质】

machine type rock ore densimeter【矿】

argentiferous galena【矿】;silver lead ore【矿】

peacock copper【矿】;peacock ore【矿】

magnetic iron ore【矿】;magnetite【矿】;octahedral iron ore【矿】

ore, pre-treated

liver ore