Possibilities of Reducing Blasting Costs in Metal Mines with New Type Explosives

PERUSAL of a list of present-day commercial explosives perhaps does not convey a full realization that there has been a great deal of improvement since the original dynamite was discovered nor that, in recent years, great developments have taken place in specialized explosives . This is true particularly of high-explosives for use in metalliferous mining or what is more commonly termed 'hard-rock' mining.
Keywords: blasting, Canada, dynamite, explosive, nitroglycerin, Polar Forcite Gelatin., Cost, Costs, Explosives, Mine, Mines, mining, Strength
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