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Get PriceBlast hole drilling is traditionally used wherever the mining company wants to explore the mineral composition or potential mineral yield of the area demarcated for their mining interests Blast holes are thus a fundamental step in the exploratory mining process and can be employed in both surface mining operations and underground mining
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Get Pricedrilling and blasting practices in iron ore mine in india mining process drilling blasting iron ore in india Lecture 3 Mining Methods mining process drilling blasting iron ore in india2 Nov 2011 History The history of surface mining is essentially that of mining coal copper and iron ores and the Mining Process Drilling Blasting Loading Hauling Transporting ProcessingWashing OPEN CAST
Get PriceDrilling Most blasting in mines involves charging explosives into holes drilled in rock The entrance or mouth of a drill hole is called the collar and the end is the toe Drilling is still carried out in some cases in the ASM sector by hand using a hammer and chisel This is obviously tedious and slow especially in hardrock mining
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Get PriceNov 01 2018 · Drilling and blasting are the two most significant operations in open pit mines that play a crucial role in downstream stages While previous research has focused on optimizing these operations as two separate parts or merely in a specific parameter this paper proposes a system dynamic model SDM for drilling and blasting operations as an interactive system
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