gold ore containing copper
double refractory gold ore
REFRACTORY GOLD ORE
难浸金矿
难选金矿
难处理金矿
难处理金矿石
难选冶金矿石
难浸金矿石
难选冶金矿
a gold ore containing arsenic and high-sulfur
Arsenic-containing gold ore
breccia-type copper-gold ore body
gold ore containing high content of arsenic
gold_copper ore deposit
lead and zinc ore containing gold
Xiekeng gold-copper ore-body
gold ore containing arsenic
Copper ore containing arsenic
oxidized copper ore containing silver
arsenic bearing carbon bearing refractory gold concentrate
Arsenic-bearing gold refractory
carbon containing refractory