Copper Gold Zinc Manganese Iron Ore Copper Gold Zinc
Alibaba.com offers 357 copper gold zinc manganese iron ore products. a wide variety of copper gold zinc manganese iron ore options are available to you,.Also at gold hill, north carolina and in newfoundland. the third class of gold ore is auriferous lead ores. the percentage of lead is large and the gold content often small. they are refractory ores like the copper ores. by refractory ore is meant one that requires roasting before amalgamation will take.