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Mining

Of or pertaining to the process or business of extracting materials, such as ore or minerals, from the earth's crust.

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Mining > Mineral mining

oxygen impingement process

Mining; General mining

A process used in steel making in which pure oxygen is blown down onto the bath in a converterlike vessel.

iron-reduction process

Mining; General mining

A process used in the treatment of lead ores.

Parkes process

Mining; General mining

A process used to recover precious metals from lead. It is based on the principle that if 1% to 2% of zinc is stirred into molten lead, a compound of zinc with gold and silver ...

natural gamma-ray logging

Mining; General mining

A process whereby gamma rays naturally emitted by formations traversed by a borehole are measured. A tool containing a radiation detector is lowered into the borehole and gamma ...

integrated producer

Mining; General mining

A producer of metal who owns mines, smelters, and refineries, and sometimes also fabricating plants.

mixed cements

Mining; General mining

A product obtained by mixing, or blending, either portland, natural, or pozzolana cement with one another or with other inert substances.

alum cake

Mining; General mining

A product of the action of sulfuric acid on clay, consisting chiefly of silica and aluminum sulfate.