General mining

General mining

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

Industry: Mining

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General mining

First-class lever

Mining; General mining

A bar having a fulcrum (pivot point) between the points where force is applied and where it is exerted.

Hydrostatic balance

Mining; General mining

A balance for weighing a substance in water to ascertain its specific gravity.

Torque rod

Mining; General mining

A bar having the function of resisting or absorbing twisting strains.

A bar, usually constructed of steel, that is inserted into pre-drilled holes in rock and secured for the purpose of ground control. Rock bolts are classified according to the means by which they are ...

Graham pressure surveying apparatus

Mining; General mining

A barometric surveying instrument that is free from the many defects of the aneroid barometer. The apparatus records the change in pressure of a constant volume of air maintained at a constant ...

Sand reef

Mining; General mining

A bar or low ridge of sand that borders the shore and is built to, or nearly to, the water surface by currents in a river or by wave action along the shore of a lake or sea.