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Definition of pass

i. An inclined opening in a mine, a raise or a winze, through which coal or ore is delivered from a higher to a lower level. At the lower end, the pass is normally provided with a chute or hydraulic gate through which the material is discharged into cars or trams.

See Also: chute

Ref: Nelson

ii. A raise or winze for workers to travel in from one level to another.

Ref: Zern

iii. The running of a sample through a sample divider.

iv. In surface mining, a complete excavator cycle in removing overburden.

Ref: BCI


 
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