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

compensation method

Mining; General mining

A procedure for determining the voltage difference between two points in the ground by balancing against a voltage that is adjusted in phase and amplitude to effect the compensation.

Brunauer, Emmett, and Teller method

Mining; General mining

A procedure for the determination of the total surface area of a powder or of a porous solid by measurement of the volume of gas (usually N 2 ) adsorbed on the surface of a known weight of the ...

A procedure used in certain mining activities including strip mining and in some heavy construction work such as channel excavation. Overcasting may be performed in a simple operation consisting of ...

trace-by-trace plotting

Mining; General mining

A procedure used in seismic reflection where reflection times from all traces, or sometimes alternate traces, are plotted at the reflecting point positions (midway between 3343 shot and detector). ...

Belgian process

Mining; General mining

A process (no longer used) to smelt zinc in which roasted zinc ore is mixed with a reducing material, such as coal or coke, placed in cylindrical retorts, and heated in a furnace, such that the ...