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Mineral mining

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

Contributors in Mineral mining

Mineral mining

briquetting

Mining; General mining

A process by which coke breeze, coal dust, iron ore, or any other pulverized mineral is bound together into briquettes, under pressure, with or without a binding agent such as asphalt, and thus made ...

Brackelsberg process

Mining; General mining

A process by which fine ores are moistened with water to which a binding medium is added, and the wet mass, without any heating, is rotated in a drum until it forms into spherical lumps of varying ...

emplacement

Mining; General mining

A process by which igneous rock intrudes, or an orebody is formed in older rocks.

dry sweating

Mining; General mining

A process by which impure blister copper is exposed to long oxidizing heating below fusion point.

Waelz process

Mining; General mining

A process by which low-grade ores, slags, or residues from retorts may be treated either for the recovery of zinc alone or for the recovery of zinc, lead, and tin. It employs a rotary kiln, and the ...

piecemeal stoping

Mining; General mining

A process by which magma eats into its roof by engulfing relatively small isolated blocks, which presumably sink to depth where they are assimilated.

incorporation

Mining; General mining

A process by which material contributing to coal formation responds to diagenetic and metamorphic agencies of coalification and becomes a part of the coal without undergoing any material ...

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