Caving system

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  1. A method of mining in which the support of a great block of ore is removed, allowed to cave or fall, and in falling to be broken sufficiently to be handled; the overlying strata subside as the ore is withdrawn. There are several varieties of the system. See also: block caving; fall; top slicing and cover caving; top slicing combined with ore caving.
  2. Longwall coal mining in which excavated space (gob) is left to collapse. See also: sublevel

Source: Dictionary of Mining, Mineral, and Related Terms

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