21 Terms
Home > Industry/Domain > Mining > 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
putrefaction
Mining; General mining
A process of decomposition of organic substances that occurs in the presence of water and with the complete exclusion of air. It is a kind of slow distillation whereby chiefly methane (CH 4 ) and ...
durionizing
Mining; General mining
A process of electrodepositing hard chromium on the wearing surfaces of parts as a protection against wear by friction.
etching
Mining; General mining
A process of engraving in which lines, frosting, or roughening are produced by an acid or mordant. Often used in studying the composition and structure of metals, sandgrains, and crystals.
cyanidation
Mining; General mining
A process of extracting gold and silver as cyanide slimes from their ores by treatment with dilute solutions of potassium cyanide or sodium cyanide. The slimes are subsequently fused and cast into ...
petrifaction
Mining; General mining
A process of fossilization whereby organic matter is converted into a stony substance by the infiltration of water containing dissolved inorganic matter (e.g., calcium carbonate, silica), which ...
petrification
Mining; General mining
A process of fossilization whereby organic matter is converted into a stony substance by the infiltration of water containing dissolved inorganic matter (e.g., calcium carbonate, silica), which ...
permineralization
Mining; General mining
A process of fossilization wherein the original hard parts of an animal have additional mineral material deposited in their pore spaces.
