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drilling and blasting in open cast iron ore mines

Nov 01 2018 · In this paper a hypothetical open pit copper mine is considered which needs to produce 30 million tonnes of waste and 25 million tonnes of ore based on its annual planning This mine works 340 days a year on which the drilling and blasting operations can be carried out... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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