Mineral Processing 7 min read
Metallurgy
Metallurgy, art and science of extracting metals from their ores and modifying the metals for use. Metallurgy customarily refers to commercial as…
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Mineral deposit
Mineral deposit, aggregate of a mineral in an unusually high concentration. About half of the known chemical elements possess some metallic properties. The term metal, however, is reserved for…
Mineral Processing 6 min read
Gangue
Smelting Perhaps 1,000 years after humans learned about melting virgin copper, they found that still another stone, a brittle one directly…
Mineral Processing 2 min read
Ore
Ore, a natural aggregation of one or more minerals that can be mined, processed, and sold at a profit. An…
Mineral Processing 6 min read
Mining
Mining, process of extracting useful minerals from the surface of the Earth, including the seas. A mineral, with a few exceptions, is an…
Mineral Processing 5 min read
Mineral
Mineral, naturally occurring homogeneous solid with a definite chemical composition and a highly ordered atomic arrangement; it is usually formed by inorganic processes. There are several thousand…
Mineral Processing 3 min read
Sintering
Sintering, the welding together of small particles of metal by applying heat below the melting point. The process may be used in steel manufacturing—to form…
Mineral Processing 5 min read
Blast furnace
Blast furnace, a vertical shaft furnace that produces liquid metals by the reaction of a flow of air introduced under pressure into the bottom…
Mineral Processing 2 min read
Surface mining
Surface mining, method of extracting minerals near the surface of the Earth. The three most common types of surface mining…
Mineral Processing 2 min read
Hematite
Hematite, also spelled haematite, heavy and relatively hard oxide mineral, ferric oxide (Fe2O3), that constitutes the most important iron ore because of its high iron content…
Mineral Processing 5 min read
Beneficiation
Beneficiation, removal of worthless particles from pulverized metal ore. Ores Iron ores occur in igneous, metamorphic (transformed), or sedimentary rocks in…
Mineral Processing 6 min read
Mineral processing
Mineral processing, art of treating crude ores and mineral products in order to separate the valuable minerals from the waste rock, or…