(Mining) . : (Mineral Processing) (Gangue). : (Extraction Metallurgy) . (impurities). . : 1. (Ferrous Metallurgy)2. (Non-ferrous Metallurgy) : (Precious metals) : Au, Ag, Pt. (Base Metals) : Zn, Cu, Ni, Pb. (Light Metals) : Al, Mg, Sn, Ti. (Non-metals) : As, Se, Te, Bi Sb: . (Pyrometallurgy) : . (Hydrometallurgy) : ( ) (Electrometallurgy) :
