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

facies

Mining; General mining

A term of wide application, referring to such aspects of rock units as rock type, mode of origin, composition, fossil content, or environment of deposition. Compare: lithofacies

inside

Mining; General mining

A term often used to designate the interior of a mine.

A term originally applied to altered diabase in which the feldspar has been altered to saussurite, kaolin, and chlorite. This usage is obsolete, but the term is occasionally used for a light-colored ...

fahlband

Mining; General mining

A term originally used by German miners to indicate a band of sulfide impregnation in metamorphic rocks. The sulfides are too abundant to be classed as accessory minerals, but too sparse to form an ...

sag pipe

Mining; General mining

A term proposed as a substitute for inverted siphon.

metabolism

Mining; General mining

A term proposed by Barth (1962) for the redistribution of granitizing materials within sediments by mobilization, transfer, and reprecipitation, as opposed to metasomatism involving addition of new ...