20 Terms
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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
Slide
Mining; General mining
A general term covering a wide variety of mass-movement landforms and processes involving the downslope transport, under gravitational influence, of soil and rock material en masse. Usually the ...
Peridotite
Mining; General mining
A general term for a coarse-grained plutonic rock composed chiefly of olivine with or without other mafic minerals such as pyroxenes, amphiboles, or micas, and containing little or no feldspar. ...
Chorismite
Mining; General mining
A general term for a group of mixed rocks, which are the result of the injection of the crystallisation products of intruding magmas into, and/or the mixture of such material with, the enclosing ...
Commercial granite
Mining; General mining
A general term for a decorative building stone that is hard and crystalline. It may be a granite, gneiss, syenite, monzonite, granodiorite, anorthosite, or larvikite.
Flexure
Mining; General mining
A general term for a fold, warp, or bend in rock strata. A flexure may be broad and open, or small and closely compressed. Compare: monocline.
Hinge
Mining; General mining
A general term for a fold, warp, or bend in rock strata. A flexure may be broad and open, or small and closely compressed. Compare: monocline.
