a. A machine cut made in the bottom or floor of a seam before shot firing. See also: cutting horizon; middle cut; top cut. Nelson b. A drill hole pattern. See also: drag cut c. In drilling and blasting a tunnel, the lower of two converging lines of horizontally spaced holes. Upper line is draw cut. When blasted simultaneously, a wedge of rock is removed. Pryor, 3 Source: Dictionary of Mining, Mineral, and Related Terms
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