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  • Chromite is the Key to PGE - Nicholas School

    Chromite is the Key to PGE F. Johan Kruger 1, Judith A. Kinnaird, Paul A.M. Nex2 and R. Grant Cawthorn2 1Economic Geology Research Institute – Hugh Allsopp Laboratory 2School of Geoscienses, University of the Witwatersrand, WITS 2050, South Africa. Email: [email protected] Introduction Chromitite layers in the Bushveld Complex have long been known to host anomalous

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  • This document is part of a larger publication

    The Coobina chromite deposit contains a chromite resource of 1.96 Mt (to a depth of 30 m). Extensive alluvial resources of chromite have also been identified nearby. The Coobina Chromite Project production capacity (2007) is 250 000 tpa of chromite ore. .

    Geological features and origin of the chromite deposits of ...

    Download Citation on ResearchGate | Geological features and origin of the chromite deposits of Sukinda valley, Orissa, India | The chromiferous ultramafic rocks of Sukinda Valley (21°0''–21°5''N ...

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  • Compositions and tectonic settings of chromite deposits ...

    Abstract. Chromium ore deposits range in age from 3.5-billion year-old chromite in the Selukwe greenstone belt (Zimbabwe) to the ophiolite-hosted Miocene deposits of New Caledonia.

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  • INTRUSION-RELATED DEPOSITS

    INTRUSION-RELATED DEPOSITS Mineralization associated with and/or hosted by plutonic or intrusive igneous rocks. Gabbro- & Ultramafic-Related Deposits: 1. Magmatic Deposits (e.g., chromite, nickel, PGE) - these ... Chromite Deposits iii) Platinum Group Elements Deposits Minor amounts of Cr and PGE are also recovered from eluvial or alluvial ...

    CHROMITE Mining News and Commentary | MINING

    The company also has NSRs on the adjacent Black Thor and Black Label chromite deposits, and has the option to increase its interest in Big Daddy to 30%.

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  • Petrogenesis of the Ophiolitic Giant Chromite Deposits of ...

    The largest chromite deposits in the western part of the syncline are the Millionnoe, Diamond Pearl and 20 Years of Kazakh SSR deposits, dipping 5–50° to the west (Pavlov et al., 1968). The eastern part of the syncline contains small deposits such as Sputnik, and large deposits such as Mir, Voskhod-Karagash and 40 Years of Kazakh SSR ...

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  • Modernising chromite mining

    Chromite is the source of chromium used commercially and as an alloying element plays an important role in metallurgy. Balochistan is endowed with huge reserves of chromite.

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  • Chromite-Manufacturing Technology, Applications, Patent ...

    Chromite mineral is the source for chromium metal. Chromite deposits are found at Nakiloro and Lolung in a belt 6 km long north of Moroto town. The chromite here is associated with platinum, a .

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  • OVER SEAS July 2000: Masbate state of environment

    The province of Masbate is considered one of the richest in mineral resources in the country. Copper, silver, gold, lead, iron, manganese and chromite deposits abound in most parts of the province. Also in abundance are guano and rock phosphate.

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  • Montana DEQ > Land > abandonedmines > linkdocs > 39tech

    The Hellroaring mining district, known exclusively for its chromite deposits, is located southwest of Red Lodge near the Montana - Wyoming border. The district includes the upper reaches of Rock Creek and the Line Creek and Hellroaring Plateaus in the Beartooth Mountain range.

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  • CHROMITE ORE DEPOSITS IN EGYPT - SlideShare

    CHROMITE ORE DEPOSITS IN EGYPT, Distribution of the ophiolite in Egypt, Occurrences, Origin, ore types Slideshare uses cookies to improve functionality and performance, and to .

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  • Chromite discovery sparks excitement | Sudbury Mining ...

    A massive chromite deposit in the James Bay Lowlands will extend the development frontier of Ontario from Timmins to the Attawapiskat River and result in billions of dollars of spending on new mines, processing facilities and infrastructure, according to senior executives of several junior mining companies.

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  • Chromite - Department of State Development

    Australias only significant chromite deposit, Coobina, is a straitform deposits in the Pilbara region of Western Australia, with a possible resource of 1.5 Mt at 29.4% Cr. The mine produced 452 000t of chromium in 2012.

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  • (PDF) Flotation of chromite and serpentine - ResearchGate

    Chromite is an important strategic mineral usually associated with other gangue minerals, mainly silicates. A good knowledge of the flotation behaviour of chromite and the establishment of ...

    CHROMITE ORE DEPOSITS IN EGYPT - SlideShare

    CHROMITE ORE DEPOSITS IN EGYPT, Distribution of the ophiolite in Egypt, Occurrences, Origin, ore types Slideshare uses cookies to improve functionality and performance, and to .

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  • Quantitative assessment of undiscovered resources in ...

    Chromium resources in undiscovered podiform and stratiform (reef-type) chromite deposits were estimated down to the depth of one kilometre in the bedrock of Finland using a three-part quantitative ...

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  • Ore - Wikipedia

    An ore deposit is an accumulation of ore. This is distinct from a mineral resource as defined by the mineral resource classification criteria.

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  • Masinloc Mines (MRDS #10183284) CR.gov

    prior to 1975 consolidated mines incorporated was the only refractory chromite producer in the philippines. 1964 - an aerial tram was installed and ore started to be taken from the government zambia mineral reservation. 1976 - chromite ore production suffered a decline in .

    Magmatic Ore Deposits - Bu

    Examples of Magmatic ore deposits: 1-Chromite deposits 2-Nickel ŒCopper deposits 3-Platinum group metal (PGM) deposits. Ł1-chromium oredeposits Ores of chromium (Cr) and of the platinum group elements (PGE) are almost exclusively found associated with basic

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

    Refractory and metallurgical chromite deposits are spatial- ly separated and related to different lithologic associations, which crystallized from different parental magmas.

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  • Frieda Copper and Gold Project | Papua New Guinea | Mining

    Average Chromite Values For Hessan Bay and Sachsen Bay 1980 "resources and tonnages" for the entire Morobe Coast chromite deposits as supplied by Amax Explorations are shown in the Table below. Average offshore chromite grade for both Hessen Bay and Sachsen Bay are consistent.

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  • Petrology and structure of the Moa Chromite district ...

    Two planar structures, one a compositional layering due to variations in the relative proportions of olivine, pyroxene, plagioclase feldspar, and chromite, and the other a foliation caused by the orientation of pyroxene crystals in peridotite, are in general parallel, but diverge in a few places.

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  • How Is Chromite Used? | Reference

    It is also an important component of the leather tanning process. Chromite is also used to anodize aluminum for use in jet engines. Chromite is the mineral ore of the metal Chromium, and the chromium must often be extracted from the ore and purified before it is used.

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  • Beneficiation Practices in the Sukinda Valley Area ...

    The chromite deposits have very high depth persistence and its grade increases with depth. Most of the quarries in the area have already reached to on an average depth of 50 m.

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  • Minarals in Manipur

    The chromite deposits of Manipur fall in the third category of Indian chromite associated with the Tertiary Ophiolite Formation. The GSI and the State Geology & Mining Division have recorded a number of chromite occurrences of metallurgical and refractory grades from the ophiolite belt of Manipur in Ukhrul and Chandel districts bordering Myanmar.

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  • chromite sand in cold box process

    Chromite Beneficiation Foundry Grade - . SBM Heavy Industry is professional in manufacturing chromite beneficiation foundry grade for mines and quarries.If you ... chromite sand in .

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  • Genesis of Podiform Chromite Deposits——Evidence from the ...

    Abstract. Abstract Taking for example the Luobosa chromite deposit in Tibet combined with other deposits of the same type in the world, the paper discusses the genetic mechanism of podiform chromite deposits. The study indicates that chromite and dunite-harzburgite are both the products of different degrees of partial melting of the same primary pyrolite (spinel lherzolite) and that chromite ...

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  • Industrial Minerals

    Chromite occurs exclusively in ultramafic rocks such as dunite, peridotite, pyroxenite and serpentinite. High purity deposits are rare owing to replacement by certain elements. In nature, ferrous iron tends to be partially replaced by magnesium, while chromium may be .

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  • Background - Rare Earth Elements & Chromite

    Background. Chromite deposits in Northern Ontario''s Ring of Fire have medium-term (5-10 years) production potential that could make Canada a significant global producer, processor and supplier of one or more products that contain the critical metal chromium.

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  • CHROMITE Indian Minerals Yearbook 2013 - IBM

    9-2 CHROMITE 9 Chromite Chromite is an oxide of chromium and iron. The chemical composition of chromite is FeO.Cr 2 O 3 or Fe.Cr 2 O 4. Chromite contains about 68% Cr 2 O 3 and 32% FeO with Cr:Fe ratio of about

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  • Minarals in Manipur

    Some of the important chromite deposits in Manipur are as under: Limestone Deposits Cement and SMS grades of limestone are found in the lensoidal bodies of melanges in the west and in the oceanic pelagic sediment (OPS) in the east of Ophiolite belt of Manipur in Ukhrul and Chandel districts.

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  • Chromite

    Grey in BSE grain of Chromite (note that this is the real, analyticaly confirmed Chromite) is intersected by more bright veinlets of Chrommagnetite and overgrown by most bright rim of Ishkulite. It also contains inclusion of the darkmost in BSE plate of Brucite.

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  • is chromite sands found in alaska

    Chromite is found as orthocumulate lenses of chromitite in peridotite from the Earth''''s mantleIt also occurs in layered ultramafic intrusive rocks In addition, it is found in metamorphic rocks such as some serpentinit Ore deposits of chromite form as early magmatic differentiat It is commonly associated with olivine, magnetite, serpentine,,..

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