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Importance of chromite rock

Update date: Aug 23

Chromite is important because it is the only economic ore of chromium, an essential element for a wide variety of metal, chemical, and manufactured products. Many other minerals contain chromium, but none of them are found in deposits that can be economically mined to produce chromium

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  • Chromite | Chromium Ore, Properties, Uses and
    Chromite | Chromium Ore, Properties, Uses and

    Jul 02, 2019 Chromite is an oxide mineral that an iron chromium oxide with formula: FeCr2O4. It is belonging to the spinel group. Chromite is the most important ore of chromium. Crystals are uncommon, but when found they are octahedral. Chromite is usually massive or in the form of lenses and tabular bodies, or it may be disseminated as granules

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  • What is Chromite Used For? Occurrence and Uses of
    What is Chromite Used For? Occurrence and Uses of

    Feb 10, 2021 An important use of chromite is in the manufacture of refractories, largely in the form of chromite brick. Raw chromite ore is used directly for this purpose. The ore is ground, mixed with a binder, and pressed into bricks under a pressure of 10,000 to 15,000 psi (about 700-1,000 kg per sq cm)

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  • Chromite mining - The Oregon Encyclopedia
    Chromite mining - The Oregon Encyclopedia

    Chromite is used as an alloy of steel for hardening cutting tools, ordnance, and armor plate. The story of chromite in Oregon begins during the Jurassic Period, approximately 150 million years ago, when both the Klamath and Blue mountains were part of Oregon's early Coast Range

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  • Uses of Chromium | Supply, Demand, Production
    Uses of Chromium | Supply, Demand, Production

    Commonly known as chrome, it is one of the most important and indispensable industrial metals because of its hardness and resistance to corrosion. But it is used for more than the production of stainless steel and nonferrous alloys; it is also used to create pigments and chemicals used to process leather

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  • Stratiform Chromite Deposit Model - USGS
    Stratiform Chromite Deposit Model - USGS

    potential of chromite deposits depends mainly on the thickness, continuity, and grade of ore. The most important uses of chromium are in stainless steels, nonferrous alloys, and chromium plating. Chemical-grade chromium is widely used in chemicals and pigments. Chromium also is an important component in

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  • Chromite - an overview | ScienceDirect Topics
    Chromite - an overview | ScienceDirect Topics

    Chromite mining in Turkey started in 1850; since then, Turkey has had an important role in the world chromite market. Turkey produces chromite ore and ferrochrome. It is estimated that Turkey has produced about 45 metric tons of chrome ore. Chromite production is mainly export-oriented. Turkey has one chrome and two ferrochrome chemical plants

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  • Uses of Chromium | Supply, Demand, Production, Resources
    Uses of Chromium | Supply, Demand, Production, Resources

    Chromite, an oxide of iron, magnesium, aluminum, and chromium, is the only ore mineral of chromium. In nature, chromite deposits are generally of two major types: stratiform (layered) and podiform (pod shaped). Both types are associated with ultramafic igneous rocks. The world's largest stratiform chromite deposits are found in South Africa, in

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  • (PDF) Importance of Mineralogy in the Geoenvironmental
    (PDF) Importance of Mineralogy in the Geoenvironmental

    Mar 01, 2010 Importance of Mineralogy in the Geoenvironmental Characterization and Treatment of Chromite Ore Processing Residue March 2010 Journal of Geotechnical and Geoenvironmental Engineering 136(3)

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  • Origin of chromite nodules in podiform chromitite from the
    Origin of chromite nodules in podiform chromitite from the

    This process is similar to the melt/rock interaction model, and facilitates the crystallization of chromite because the mixing of two magmas with different silica activity can lead to the nucleation of chromite (Ballhaus, 1998, Zhou et al., 2001). The pyroxene melting and magma mixing along the wall rock will be constantly refreshed by the

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  • Geology - rocks and minerals
    Geology - rocks and minerals

    Chalcopyrite Chromite Galena Graphite Halite Hematite Sphalerite Sulphur. Introduction Properties Common rock-forming minerals Economic minerals. Hematite (or haematite) Hematite is the most important ore mineral of iron. It is an oxide mineral and is found in a variety of colours

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  • 9 Ore Deposits and Economic Minerals – Mineralogy
    9 Ore Deposits and Economic Minerals – Mineralogy

    South Africa’s Bushveld Complex is the most significant and important example of oxide mineral cumulates. Figure 9.77 shows Bushveld chromite layers surrounded by a feldspar-rich rock. These chromite cumulates produce not only significant amounts of chrome, but also very large amounts of platinum, palladium, and related elements. 9.3.1.2

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  • Beyond whole-rock geochemistry of shales: The importance
    Beyond whole-rock geochemistry of shales: The importance

    In some Stanley shale samples, chromite and Mn oxides were identified and positively identify an oceanic crustal component as a source of Stanley Group sediment. The results of this study emphasize the importance of determining the mineralogic sites of trace elements, and realization of specific mineralogic contributions from mafic or sialic

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  • (PDF) Formation of podiform chromitites by melt/rock
    (PDF) Formation of podiform chromitites by melt/rock

    It is widely suggested that crystallization of chromite as the sole liquidus phase is caused by the addition of silica into the magma due to melt-rock reaction and subsequent magma mixing (e.g

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  • What are the economic importance of rocks?
    What are the economic importance of rocks?

    Mar 16, 2020 Sedimentary rocks are also important sources of natural resources like coal, fossil fuels, drinking water or ores. The study of the sequence of sedimentary rock strata is the main source for an understanding of the Earth's history, including palaeogeography, paleoclimatology and the history of life

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  • Soldiers Delight - Maryland
    Soldiers Delight - Maryland

    The mining of chromite again became active in Maryland during the 1870's, but since 1880 there has been but a small and irregular production of sand chrome, and, except a small amount between 1917 and 1925, none of rock chrome. The mineral chromite is widely disseminated in small quantities in the serpentine of Bare Hills and Soldiers Delight

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  • What Is the Importance of Rocks?
    What Is the Importance of Rocks?

    May 27, 2020 What Is the Importance of Rocks? Rocks have a broad range of uses that makes them significantly important to human life. For instance, rocks are used in construction, for manufacturing substances and making medicine and for the production of gas. Rocks are also extremely vital to scientists as they provide clues about the Earth’s history

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  • Textures of Ore Deposits
    Textures of Ore Deposits

    Importance of studying textures ... The most common example is chromite which occurs as a cumulus phase ... accompanied by very little or no change in the volume of the rock. However, in practice, this process is accompanied by expansion or contraction (and it has proven quite

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  • Chromite, mg-ilmenite and priderite as indicators minerals
    Chromite, mg-ilmenite and priderite as indicators minerals

    The second group present elevated contents of TiO2 (1-5%wt) intermediate Cr 2O3 (30%wt) and relatively low Al2O3 ( 3%). The first group kimberlitic chromites are useful in diamond exploration. Chromites are associated with Mg-rich-ilmenite (Fe3+/Fe 2+ 0.6), in kimberlite which is an important mineral indicator in diamond research

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