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Blasting In Iron Ore Mines Process

Jan 01 2015 Iron ore was won by drilling and blasting .As mining technology generally developed so did drilling techniques and the explosives used. Smith 1990 reported that the Cleveland deposit was associated with a very strong stone roof rock known as dogger allowing mine drivages to be self-supporting. However he states that in later years where the mining had progressed to the dip this .

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