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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
chrome idocrase
Mining; General mining
An emerald-green variety of vesuvianite containing chromium; occurs at Black Lake, Quebec, Canada; and Ekaterinburg, Ural Mountains, Russia.
chrome vesuvian
Mining; General mining
An emerald-green variety of vesuvianite containing chromium; occurs at Black Lake, Quebec, Canada; and Ekaterinburg, Ural Mountains, Russia.
Manning's formula
Mining; General mining
An empirical formula for the value of the coefficient, C, in the Chezy formula, the factors of which are the hydraulic radius and a coefficient of roughness; a simplification of the Kutter formula.
