Iron Ore Mining, Waste Generation, Environmental Problems and .Nov 25, 2016 . Keywords: Iron ores, Mining, Tailings, Overburden, Waste,. Phytoremediation. ABSTRACT. Mining activities generally occupy and spoil a large.overburden waste rock at iron ore mining,Mineral Processing Wastes - Material Description - User Guidelines .Large amounts of waste rock are produced from surface mining operations, such . Waste rock is typically removed during mining operations along with overburden . of mill tailings are generated from copper, iron, taconite, lead, and zinc ore.
overburden waste rock at iron ore mining