General mining

General mining

General mining related terms and definitions in minerals and related activities.

Industry: Mining

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General mining

Crude-ore bin

Mining; General mining

A bin in which ore is dumped as it comes from the mine.

Hogging moment

Mining; General mining

A bending moment that tends to cause hog.

A bin installed adjacent to the shaft bottom in skip winding. The capacity of the chute is equal to that of the skip used, ranging from 4 to 10 st (3.6 to 9.1 t). Bin-feeding arrangements differ but ...

Face-discharge bit

Mining; General mining

A bit designed for drilling in soft formations and for use on a double-tube core barrel, the inner tube of which fits snugly into a recess cut into the inside wall of the bit directly above the ...

Octopus

Mining; General mining

A bin or tank to facilitate the concrete lining of circular shafts. The concrete is mixed on the surface, taken down the shaft in buckets, and discharged into the octopus. The concrete is then led ...

Rathole bit

Mining; General mining

A bit designed and used to drill the first portion of a deflected hole alongside and beyond the deflection wedge; also, a bit used to drill a rathole. Compare: wedge bit.