flotation of overburden - perkinspreschool
Mar 11, 2018 · In mining, gangue is the commercially worthless material that surrounds, or is closely mixed with, a wanted mineral in an ore deposit. It is thus distinct from overburden, which is the waste rock or materials See also.Mine wastes management - Mining and Blasting,the ore is actually refined into gold. Everything else is waste. Source: Anon, 2006, Dirty Metal, Mining Communities and Environment, Earthworks, Oxfam America, Washington, pp 4 Chapter 4.5 Mine wastes management Mining wastes is generated during the process of extraction, beneficiation and processing ofOverburden Removal - Surface Mining - SlideShare,CASE STUDIES Iron In order to meet planned annual production rates, ore grades, and blending requirements, iron ore operators must design carefully for overburden stripping programs. Unless the stripping can expose enough crude ore to meet the mine commitments, shipments will fall behind and/or material grade will suffer.