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jan 02, 2011 open pit mining contractors. its mining team manages highly selective gold mining operations through to the bulk mining of iron ore. its diverse range of mining services includes load and haul, drill and blast, on-road and off-road ore haulage, and crushing, screening and train loading. its clients include the likes of bhp billiton, rio
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nov 28, 2012 aug 18, 2008 the difference between an open pit mine and a quarry is that a quarry uses the mined product as is without milling and extraction, more detailed your questions answered your questions answers to your most
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major mines projects gold quarry mine the carlin complex has three major open pit operations including goldstrike, gold quarry and goldstar all three are truck and shovel operations blasting is required and blast patterns are laid out according to material type using rock type designations of hard, average, soft, or combinations of all three
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