Mineral mining

Mineral mining

The extraction of valuable minerals or other geological materials from the earth for economic interests.

Industry: Mining

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Mineral mining

Osteolite

Mining; General mining

A massive, earthy mineral (apatite) consisting of an impure, altered phosphate.

End-bump table

Mining; General mining

A mechanically operated, sloping table by which heavy and light materials are separated. The end motion imparted to the table tends to drive all minerals up the slope of the table, but a flow of ...

Imlay table

Mining; General mining

A mechanically operated, sloping table by which heavy and light materials are separated. The end motion imparted to the table tends to drive all minerals up the slope of the table, but a flow of ...

Power earth auger

Mining; General mining

A mechanically operated auger for exploring and testing deposits that are not very hard. The drilling rig may be mounted on a lorry or on continuous tracks when greater depths may be reached.

Shale shaker

Mining; General mining

A mechanically vibrated screen through which a returning drill fluid is passed to screen out larger chips, fragments, and drill cuttings before the drill fluid flows into the sump.

Shale screen

Mining; General mining

A mechanically vibrated screen through which a returning drill fluid is passed to screen out larger chips, fragments, and drill cuttings before the drill fluid flows into the sump.