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.
The November and December production figures, which equate to 57 percent of the total production for the prior six months, illustrates the significant impact of the underhand stoping, as well as the capital employed on upgrading the plant and recovery section of the mine.