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General mining
General mining related terms and definitions in minerals and related activities.
Industry: Mining
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General mining
metallurgy
Mining; General mining
The science of removing metals from the rocks in which they are found. Metallurgy also studies how to make metals pure.
metamorphic rock
Mining; General mining
A rock formed from an older rock that has been changed because of heat or pressure in the Earth's crust.
mica
Mining; General mining
A mineral that is made of thin, shiny sheets that split apart easily. Mica occurs in different colors and is common igneous and metamorphic rocks.
quartz
Mining; General mining
A hard, transparent mineral made of silica and oxygen. Quartz is most common of all minerals.
galena
Mining; General mining
A gray, shiny, mineral that looks like metal and is made of lead and sulfur and is obtained by mining.
garnet
Mining; General mining
A deep red mineral that has a glassy appearance and is found especially in metamorphic rocks.
dynamite
Mining; General mining
A powerful explosive used in blasting and mining. It is usually made of a mixture of the chemical compound nitroglycerin and other nitrogen compounds.
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