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Definition of chamber

i. A miner's working place, sometimes referred to as a room or breast.

Ref: Hudson

ii. A large irregular or rounded body of ore, occurring alone or as an expansion of a vein.

iii. A body of ore with definite boundaries, apparently filling a preexisting cavern.

iv. A powder-storage room in a mine.

v. To enlarge the bottom of a drill hole by the use of explosives, so that a sufficient blasting charge may be loaded for the final shot.

Synonym of: spring

vi. A space or gallery excavated in a quarry or underground mine to receive a large explosive charge.

See Also: heading blast


 
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