Cascading

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Movement of crop load in a ball mill rotating at such a speed that the balls breaking free at the top of the rising load roll quietly down to the toe of the charge. With increased peripheral speed, motion changes to turbulent cataracting and, still faster, to avalanching when the upper layer of crushing bodies breaks clear and falls freely to the top of the crop load. Pryor, 3
Source: Dictionary of Mining, Mineral, and Related Terms


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