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

Gas pocket

Mining; General mining

A cavity in the rocks containing gas, generally above an oil pocket.

Shaft cave

Mining; General mining

A cave formed primarily of a shaft or shafts.

A cell in which the solids-water pulp feed is kept agitated, and is circulated by means of an impeller mounted at the bottom of a vertical shaft. The rotating impeller creates vacuum enough to draw ...

Fluid inclusion

Mining; General mining

A cavity, with or without negative crystal faces, containing one or two fluid phases, and possibly one or more minute crystals, in a host crystal. If two fluid phases are present, the vapour phase ...

Gjer's soaking pit

Mining; General mining

A cavity lined with refractory material used in metal working to enclose large ingots, in order to preserve them at a high temperature, and thus avoid the necessity of reheating.