Drilling and Blasting at the Cassiar Mine
This paper deals with the drilling and blasting methods employed at the Cassiar mine, which is located just south of the B.C.-Yukon border. It covers both the "pit" and " peak" mining operations. Specific problems, such as working in frozen ground, are discussed, and the breaking characteristics of the various rock formations are outlined. The paper concludes with a brief mention of the equipment used in t he operation, as well as an outline of the breaking costs.
blasting, Cassiar, drilling and blasting, ore, rock, talus, Drilling, Ore, Ores, Pits, Rock, Rocks, Waste, Wastes