What are the disadvantages of mining iron Wiki Answers. Answer The disadvantages of mining iron What are risks in financing the mining industries 187 Learn More. disadvantages of iron ore. iron ore mining advantages and disadvantages . What are advantages and disadvantages of ferrous metals a ferrous metal is a metal primarily made of . Get
Iron Ore Concentration Process Magnetite is mined in large chunks and is crushed into small particles by a series of crushers. After primary crushing with jaw crushers and secondary crushing with gyratory crushers and tertiary crushing with cone or high pressure grinding rolls (HPGR), the ore is screened on vibrating screens to size the particles.