in indonesia what is copper used for,Mining in Indonesia: Smeltdown | The EconomistJan 18, 2014 . Another reason for waiving the restriction on copper is that, in contrast . to build smelters to produce the metal, used in making stainless steel.in indonesia what is copper used for,Grasberg mine - WikipediaThe Grasberg Mine is the largest gold mine and the third largest copper mine in the world. It is located in the province of Papua in Indonesia near Puncak Jaya, the . In 1939, he filed a report about the Ertsberg (Dutch for "ore mountain"). . A flotation reagent is used to separate a copper-gold concentrate from the ore.
in indonesia what is copper used for