General mining

General mining

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

Industry: Mining

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General mining

Cone penetrometer

Mining; General mining

A 30 degrees to 60 degrees cone having a basal diameter approx. the same size as an asize diamond-drill rod used to determine the force required to thrust the cone downward into silty or fine to ...

Cone penetrator

Mining; General mining

A 30 degrees to 60 degrees cone having a basal diameter approx. the same size as an asize diamond-drill rod used to determine the force required to thrust the cone downward into silty or fine to ...

Gravity bar

Mining; General mining

A 5 ft (1.5 m) length of heavy half-round rod forming the link between the wedgeorienting coupling and the drill-rod swivel coupling on an assembled Thompson retrievable borehole-deflecting wedge.

Pottery spar

Mining; General mining

A 200-mesh feldspar produced for use by the manufacturers of chinaware, sanitary ware, ceramic tile, frits, enamel, glazes, electrical insulators, and vitrified grinding wheels.