blasting in open cast iron mines,Drilling and blasting in open cast iron ore minesFeb 13, 2016 . Drilling Blasting operations of Coal Mines 11583 Ft Below Ground. Practical Internship in Open Cast Iron Ore Mines..Rock blasting at the large.blasting in open cast iron mines,Mine Blasting & Explosives Technology, and Safety Regulations .Blasting is used in both open pit and underground mining operations. .. The drill pattern is designed to cover off the extent of the ore in the stope. This type of.
blasting in open cast iron mines