chromite ore rocks


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Chromite: The mineral Chromite information and pictures

Chromite, the principle ore of the element chromium, is a commercially valuable mineral. However, due to mining restrictions and the fact that Chromite is not commonly found in crystallized form, it is not well-represented in mineral collections.

Chromite – Mining & Industry

Chromite Ore Chromite is an oxide mineral composed of chromium, iron and oxygen (FeCr2O4). It also can be found as in a composition to magnesium instead of iron and become the …

Chromite -

Chromite is a black chromium-bearing mineral, FeCr 2 O 4.It is a principal ore of chromium (Cr). Chromite is a member of the spinel group.These minerals …

Chromite: Mineral information, data and localities.

Chromite is the most important chromium ore mineral. It forms a complete solid solution series with many other members of the group, eg. in the Chromite-Hercynite Series, Chromite-Spinel Series, Chromite-Magnetite Series and the Chromite-Magnesiochromite Series.It is the iron analogue of Zincochromite, Cochromite, Manganochromite and Magnesiochromite and the Cr analogue of …

Chromite - definition of chromite by The Free Dictionary

These rocks contain considerable amount of podiform chromite deposits. Mineralogy and petrology of chromite ore and associated ultramaphic rocks of Jijal Complex, District Shangla, KP, Pakistan Abdul Jamae Jamae, a deputy speaker in the council, says Pakistani engineers in Zana Khan district are digging up chromite for some months now.

CHROMITE (Iron Chromium Oxide) - Amethyst Galleries

Chromite is the most important ore of chromium from which it derives its name. Chromium is an important metal and has a wide range of industrial uses. Chromite forms in deep ultra-mafic magmas and is one of the first minerals to crystallize.

Chromite and other mineral deposits in serpentine rocks of ...

Ore bodies are similar in occurrence to chromite deposits; they are massive or disseminated and are found near the edges of serpentine intrusive rocks. The small size of the deposits and comparatively low titanium content limit their importance as a potential source of titanium.

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Geology - rocks and minerals - University of Auckland

Chromite, an oxide mineral, is the major ore of chromium. It is often used for the bricks and linings of blast furnaces as it can withstand very high temperatures. Chromite is one of the first minerals to crystallise in deep ultra- mafic magmas, and becomes concentrated as it sinks to the bottom of the magma chamber.

Rock Crusher For Chromium Or Chromite Ore

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Refractory- and metallurgical-type chromite ores, Zambales ...

chromite ores may vary widely even in a single massif or district. A bimodal compositional distribution of refrac- ... Relations between ore geochemistry and country rocks Previously, Fernandez (1960) considered that refractory- type chromite is associated with dunite and olivine-rich saxonite (i.e., harzburgite) and metallurgical-type chromite ...

Bushveld Igneous Complex - Wikipedia

The Bushveld Igneous Complex (BIC) is the largest ... Therefore, chromite is the only mineral to crystallize in the melt thus, accumulating in monomineralic layers on the floor of the magma chamber. ... It has been reported that more than 20 billion metric tons of PGE ore rock has been indicated in South Africa by the different exploration and ...

Chromitite - an overview | ScienceDirect Topics

The ore bodies are classified to four main mineralogical ore types: (1) tremolite-chlorite, (2) serpentine, (3) talc-carbonate, and (4) chlorite-based ores. ... The grade and thickness variation in strike for kilometers and down dip are negligible. Some layers consist of 90% chromite making the rare rock type, chromitite. The chromite reefs are ...

Layers of chromite | AMNH

Chromite is usually one of the first minerals to crystallize in basaltic magma, and is thus commonly found as a layer near the bottom of magma chambers.

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Chromite: The only mineral ore of chromium metal - Chromite is the only ore of chromium, a metal essential for making stainless steel, Small amounts of chromite are found in many types of rock.

Chromite mining - The Oregon Encyclopedia

Containing Oregon's oldest rocks, those mountains share the state's largest formations of peridotite and serpentine, the environment in which chromite is formed. Most deposits of chromite in Oregon have been found near Grants Pass on the Siskiyou National Forest and near John Day on …

chromite ore rocks -

Chromium ore, or chromite, occurs exclusively in rocks formed by the intrusion ... rocks, often referred to as ultramafic igneous rocks, chromium occurs as a chromite rock raw picture - BINQ Mining Chromite Mineral Information and Facts Chrome Ore.

Industrial Minerals -

Chromite is the commercial name for iron chromium oxide (FeCr 2 O 4), ... Chromite occurs exclusively in ultramafic rocks such as dunite, peridotite, pyroxenite and serpentinite. ... Ferrochrome markets consumed 93% of the chrome ore produced in 2009, with non-metallurgical markets accounting for almost all of the balance (save for 0.1% used as ...

chromites - an overview | ScienceDirect Topics

Chromite (Cr) occurs exclusively in mafic and ultramafic igneous rocks (Papp and Lipin, 2006). ... Chromite ore is mined in over 20 countries, but about 80% of production originates from four countries: South Africa, India, Kazakhstan, and Turkey (Kleynhans et al., 2012).

host rock of chromite -

Chromite is the only ore of chromium, a metal essential for making stainless steel, It occurs in basic and ultrabasic igneous rocks and in the metamorphic and Contact Us Petrogenesis of the Ophiolitic Giant Chromite - Oxford Journals

Chromite and Other Mineral Deposits in Serpentine Rocks Of ...

Deposits in Serpentine Rocks Of the Piedmont Upland Maryland, Pennsylvania And Delaware By NANCY C. PEARRE and ALLEN V. HEYL, JR. CONTRIBUTIONS TO ECONOMIC GEOLOGY GEOLOGICAL SURVEY BULLETIN 1082-K The geology, distribution, production, and mining development of deposits of chromite, titaniferous iron ore, rutile,

Chromite deposits in China and their origin - Springer

Chromite ore bodies are mostly developed in the dunite ... In location A, the ore bodies are tabular con- cordant with their slightly-folded host rock (Fig. 4). The chromite ore bodies in the clusters B and C are discordant and may intrude their host rocks 9 The ores are either ... Chromite deposits in China and their …


Chromite ores are usually concentrated by gravity concentration techniques based on differences in specific gravity between chromite and the common associating gangue minerals and rocks such as serpentine and olivine.

Chromite | Earth Sciences Museum | University of Waterloo

Chromite is a cumulate mineral which is found in ultramafic portions of layered mafic intrusions or in serpentines and other metamorphic rocks derived from the alteration of ultrabasic rocks. Due to its high crystallization temperature, this mineral is often found in the lower parts of magma bodies from the fractional crystallization process.

Chromite Ore Rocks -

Chromite Deposits in Oregon By . Ore, and Host Rocks . rade chromite ore at Portland for shipment to Baltimore, October 24, 1937. Get Price And Support Online; About Us – Oman Chromite. About Us. Team Member. . to provide our customer with perfect quality ore under the company motto . structures in the Mantle Sequence rocks. Chromite Mining .