underhand stoping

underhand stoping

[′ən·dər‚hand ′stōp·iŋ]
(mining engineering)
Mining downward or from upper to lower level; the stope may start below the floor of a level and be extended by successive horizontal slices, either worked sequentially or simultaneously in a series of steps; the stope may be left as an open stope or supported by stulls or pillars.
References in periodicals archive ?
One of the major foamed fill research tasks now underway at the MBT's US research centre in the US is investigating using foamed tailings backfill in a Canadian underhand stoping mine operation.
This tunnel would not only drain and ventilate the mines, but would also permit cheap underhand stoping and economical ore retrieval.