Diamond Drilling Practice

CIM Bulletin1933
IN approaching the subject of diamond-drilling practice, a brief history of the origin and development of the diamond drill may be of interest. The use of black diamonds for boring holes in rock was discovered in 1863 by Rudolph Leschot, a French engineer. In 1864, he employed a diamond bit to bore holes for blasting purposes in the construction of the Mont Cenis tunnel between France and Italy.
Keywords: chances, Clinometer, Core, diamond drilling, tracing paper, CORE, Diamond, diamond drilling, Diamonds, Drill, Drilling, Drills, mining, Ore
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