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a. Waste sand or rock used to support the roof or walls after removal of
ore from a stope. Pryor, 3
b. Sand or dirt placed behind timber, steel, or concrete linings in shafts
or tunnels. Nelson
c. The process of sealing and filling, and/or the material used to seal or
fill, a borehole when completed, to prevent its acting as a course along
which water may seep or flow into rock formations or mine workings.
Long
d. Material excavated from a site and reused for filling, for example, the
use of stones or coarse gravel for filling draining trenches.
See also: fill
Source:
Dictionary of Mining, Mineral, and Related Terms
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