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process and formation of platinum ore

Geology of Platinum Properties, Mining, and Formation of ...

2 天前  Volcanic heat produced well below the Earth’s crust acts as a blast furnace helping to form the crystals of platinum that miners remove from the surrounding matrix.

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Extraction and Refining of the Platinum Metals

major development in the world’s platinum industry took place in the early nineteen twenties when large deposits of platinum bearing ore were discovered in the Transvaal in South Africa. This led to the formation in 1931 of Rustenburg Platinum Mines Limited to work these deposits, and this company remains to this day the only platinum producer in South Africa and the only major producer in the world whose prime activity is the extraction of the platinum metals.

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Extraction and Refining of the Platinum Metals Johnson ...

2021-8-27  Copper anodes from the converter process are dissolved electrolytically using an acid copper sulphate solution as an electrolyte. The products of this operation are pure copper cathodes and an anode slime which may contain gold and small quantities of the platinum

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THE PRIMARY PRODUCTION OF PLATINUM GROUP

2020-1-24  On the surface the ore is crushed and milled into fine particles. Wet chemical treatment known as froth flotation produces a concentrate which is dried and smelted in an electric furnace at temperatures over 1,500°C. A matte containing the valuable metals is transferred to converters to remove iron and sulphur. PGMs are then separated from the base metals nickel, copper and cobalt, and refined to a high level of purity using

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Processes and Ore Deposits of Ultramafic-Mafic Magmas ...

Large orthomagmatic Ni-Cu (-PGE) and platinum-group-element (PGE) deposits dominantly form during the assembly and peak of supercontinents, when mantle plumes bombard the Subcontinental Lithospheric Mantle

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Platinum Ores Article about Platinum Ores by The Free ...

Minerals of platinum group metals in placers are often found in concretions with one another, as well as with ohromites, olivines, and serpentines. Platinum ores are extracted by opencut and underground mining methods. Most of the placer deposits and some primary deposits are mined by the opencut method.

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Platinum is produced in South Africa by Amplats, Impala ...

2012-2-7  Process routes for beneficiation of noble metals from Merensky and UG-2 ores. Extraction Metallurgy ’85, The Institution of Mining and Metallurgy, London, 9-12 September 1985, pp.789-816. 24. Corrans I.J., Brugman C.F., Overbeek P.W., and McRae L.B. (1982). The recovery of platinum-group metals from ore of the UG-2 Reef in the Bushveld Complex.

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Platinum-Group Element - an overview ScienceDirect Topics

1.3 Extraction of Platinum-Group Metals From Sulfide Ores Virtually all of the production of platinum-group metals is from sulphide ores. A small amount is produced from alluvial deposits of metallic platinum in Russia (Kendall, 2004). Platinum-group elements occur mainly in or near sulphide minerals in an ore deposit.

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20.1 Metal Deposits – Physical Geology - opentextbc.ca

2015-9-1  During the ore-forming process, some of the original minerals in these rocks are altered to potassium feldspar, biotite, epidote, and various clay minerals. The important ore

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How to Identify Platinum in Ore Deposits Sciencing

2018-5-10  Platinum Formation. Most PGEs originate in magnetic ore deposits. These formed as a result of magma cooling and crystallizing into sulfide globules. Magma formed various intrusions into shallow parts of the earth’s crust. PGEs can be therefore be found among mafic and ultramafic volcanic (igneous) rocks. Platinum

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THE PRIMARY PRODUCTION OF PLATINUM GROUP

2020-1-24  higher quantities, platinum and palladium are the most important metals of the PGMs. The other four, rhodium, ruthenium, iridium and osmium, are mined as by-products of platinum and palladium. 58% of world PGM production takes place in South Africa1 not only for ore haulage but also to drive compressed air to

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Formation of Magmatic Nickel Sulfide Deposits and ...

Formation of Magmatic Nickel Sulfide Deposits and Processes Affecting Their Copper and Platinum Group Element Contents ... et al. ( , 2011 2.2 Fundamental processes in Ni-Cu-PGE ore formation ...

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Platinum - Rausser College of Natural Resources

1996-11-15  Platinum and its alloys are used in the manufacture of crucibles and evaporating dishes for chemical analyses. Other applications include the formation of thermocouple wires, electrical contacts, corrosion resistant apparatus, and the manufacture of platinum resistance thermometers used in the temperature control of furnaces.

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Formation of Magmatic Nickel Sulfide Deposits and ...

2005-1-1  Sarah-Jane Barnes, Peter C. Lightfoot, 2005. "Formation of Magmatic Nickel Sulfide Deposits and Processes Affecting Their Copper and Platinum Group Element Contents", One Hundredth Anniversary Volume, Jeffrey W. Hedenquist, John F. H. Thompson, Richard J. Goldfarb, Jeremy P. Richards

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Magmatic Ore Deposits in Layered Intrusions—Descriptive ...

2012-2-7  ore deposits containing most of the world’s economic concentrations of platinum-group elements (PGE) (figs. 1 and 2). These deposits are mined primarily for their platinum, palladium, and rhodium contents (table 1). Magmatic ore deposits are derived from accumulations of crystals of metallic oxides, or

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Sedimentary Mineral Deposits - Mineral Processing

2016-10-5  Black magnetic sand illustrates this process of concentration, and if consolidated, it would form a bed of iron ore. Placer deposits of gold, platinum, tinstone, monazite, etc., are natural concentrations of heavy minerals, separated from the lighter substances by the

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20.1 Metal Deposits – Physical Geology - opentextbc.ca

During the ore-forming process, some of the original minerals in these rocks are altered to potassium feldspar, biotite, epidote, and various clay minerals. The important ore minerals include chalcopyrite (CuFeS 2 ), bornite (Cu 5 FeS 4 ), and pyrite in copper porphyry

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Preliminary Model of Porphyry Copper Deposits

2008-10-9  Rhenium and platinum-group metals are recovered from some deposits. Augé and others (2005) reported the occurrence of platinum-group-metal-bearing tellurides and arsenides in an assemblage of magnetite, chalcopyrite, and bornite in the porphyry deposit at

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Ore Geology Reviews Journal ScienceDirect by Elsevier

Ore Geology Reviews aims to familiarize all earth scientists with recent advances in a number of interconnected disciplines related to the study of, and search for, ore deposits. The reviews range from brief to longer contributions, but the journal preferentially publishes manuscripts that fill . Read more.

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Formation of Magmatic Nickel-Sulfide Ore Deposits and ...

Formation of Magmatic Nickel-Sulfide Ore Deposits and Processes Affecting Their Copper and Platinum-Group Element Contents January 2005 Economic Geology 100:179-213

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Platinum - Rausser College of Natural Resources

1996-11-15  Platinum and its alloys are used in the manufacture of crucibles and evaporating dishes for chemical analyses. Other applications include the formation of thermocouple wires, electrical contacts, corrosion resistant apparatus, and the manufacture of platinum resistance thermometers used in the temperature control of furnaces.

More

Magmatic Ore Deposits in Layered Intrusions—Descriptive ...

2012-2-7  ore deposits containing most of the world’s economic concentrations of platinum-group elements (PGE) (figs. 1 and 2). These deposits are mined primarily for their platinum, palladium, and rhodium contents (table 1). Magmatic ore deposits are derived from accumulations of crystals of metallic oxides, or

More

Sedimentary Mineral Deposits - Mineral Processing

2016-10-5  Black magnetic sand illustrates this process of concentration, and if consolidated, it would form a bed of iron ore. Placer deposits of gold, platinum, tinstone, monazite, etc., are natural concentrations of heavy minerals, separated from the lighter substances by the

More

Beneficiation and Extractive Metallurgy of PGE

process. PGE values in the primary ore contribute no financial value. A key point to note is that regardless of the mode of formation, a detailed study . of ore mineralogy is essential when considering the metallurgical response of a PGE ore since mineralogical variations within a particular mineralized horizon

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Preliminary Model of Porphyry Copper Deposits

2008-10-9  Rhenium and platinum-group metals are recovered from some deposits. Augé and others (2005) reported the occurrence of platinum-group-metal-bearing tellurides and arsenides in an assemblage of magnetite, chalcopyrite, and bornite in the porphyry deposit at

More

20.1 Metal Deposits – Physical Geology - opentextbc.ca

During the ore-forming process, some of the original minerals in these rocks are altered to potassium feldspar, biotite, epidote, and various clay minerals. The important ore minerals include chalcopyrite (CuFeS 2 ), bornite (Cu 5 FeS 4 ), and pyrite in copper porphyry

More

GEO113-Mineral and Rock Resources Lecture Notes

2005-8-1  Process may produce monomineralic layers. Chromite, magnetite, and platinum-group mineral deposits often formed in this way. C) Diamonds: Form at very high pressures, Usually requires 100-200 km depth. Brought rapidly to the surface by Kimberlite magmas. These are gas-rich magmas that explode their way to

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Ore Geology Reviews Journal ScienceDirect by Elsevier

Ore Geology Reviews aims to familiarize all earth scientists with recent advances in a number of interconnected disciplines related to the study of, and search for, ore deposits. The reviews range from brief to longer contributions, but the journal preferentially publishes manuscripts that fill . Read more.

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PRODUCTION, CHARACTERISTICS AND USE OF

2015-5-22  This paper deals with formation of slag in smelt-ing process, its chemical composition, physical and st ructural characteristics, utilization and product speci- ... The raw materials used in the ferrochrome production are upgraded lumpy ore and fine concentrate from ... rochrome process slag as a function of temperature is presented in Figure 4.

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