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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
edgewise structure
Mining; General mining
A primary sedimentary structure characterized by an arrangement of flat, tabular, or disk-shaped fragments whose long axes are set at varying steep angles to the bedding. It may be due to running ...
crystalline granular texture
Mining; General mining
A primary texture due to crystallization from an aqueous medium, as in rock salt (halite), gypsum, and anhydrite.
flame test
Mining; General mining
A qualitative analysis of a mineral made by intensely heating a powdered or dissolved sample in a flame and observing the flame's color, which is indicative of the element involved; e.g., green from ...
water resistance
Mining; General mining
A qualitative measure of the ability of an explosive or blasting agent to withstand exposure to water without deteriorating or becoming desensitized.
von Wolff's classification
Mining; General mining
A quantitative chemical-mineralogic classification of igneous rocks proposed in 1922 by F. von Wolff.
