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platinum group rocks

  • Platinum Group of Metals (PGM) Occurrence and Future ...

    The major world Platinum Group of Metals (PGM) deposits are generally occurred in association with ultramafic/mafic complexes. Likewise, the serpentinizedperidotite and talc actinolite schist from Madaura-Ikauna-Pindar tract, in Lalitpur district of Bundelkhand craton have been found enriched with PGM, Au and Ag. Ultramafic rocks comprising dunite, peridotites occur as intrusive in the form of ...[...]

  • List of Platinum Group Metals or PGMs - ThoughtCo

    Platinum gets its name from platina, meaning "little silver," because the Spaniards considered it an unwanted impurity in silver mining operations in Colombia.For the most part, PGMs are found together in ores. Ultramafic and mafic igneous rocks contain high levels of platinum group metals, the granites contain a low percentage of the metals.[...]

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  • Platinum: Mineral information, data and localities.

    Platinum-group Minerals from the Olkhovaya–1 Placers Related to the Karaginsky Ophiolite Complex, Kamchatskiy Mys Peninsula, Russia. The Canadian Mineralogist, 47(5), 1057-1074. ⓘ Pustaya River [Canadian Mineralogist 38 p1251-1264 "The association of platinum-group minerals in placers of the Pustaya River, Kamchatka, Russia"] ⓘ Tolbachik ...[...]

  • Learn About Rhodium, a Rare Platinum Group Metal

    Jun 25, 2019· Rhodium is a rare platinum group metal (PGM) that is chemically stable at high temperatures, resistant to corrosion and mainly used in the production of automobile catalytic converters.[...]

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  • Platinum Group Element - an overview | ScienceDirect Topics

    Platinum-group elements (PGEs)–Ni ± Cu–Co, and Cr deposits are hosted by partially melted mantle-derived MgO-rich layered mafic–ultramafic intrusives/volcanics of Archean–Proterozoic rocks, and younger flood-basalt lavas displaying characteristic features.[...]

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  • Platinum -Group Elements in Selected Precambrian Rocks of ...

    Platinum - Group Elements in Selected Precambrian Rocks of the Western Upper Penin sula, Michigan Theodore J. Bornhorst Initially, a review of the literature relevant to anomalous PGE and David A. Baxter Department of Geological Engineering, Geology and Geophysics, Michigan Technological University,[...]

  • Platinum: The mineral native Platinum information and pictures

    Native Platinum is the most significant source of the element platinum, although considerable quantities are also mined from the rare platinum arsenide mineral Sperrylite. The rare metals iridium, osmium, rhodium, and palladium are almost exclusively mined together with platinum in platinum deposits.[...]

  • The Platinum Group Element Deposits of the Bushveld ...

    There are enough platinum group element deposits in the Bushveld Complex in South Africa to supply world demands for many decades or even a century using current mining techniques. Demonstrated reserves and resources published by mining companies make detailed calculations up to a maximum of about twenty years ahead, but there is abundant and adequate geological evidence that these …[...]

  • Platinum-group element geochemistry used to determine Cu ...

    Platinum-group-element (PGE) geochemistry is the preferred method of identifying sulfide saturation in an evolving magma system for two reasons: first, their partition coefficients into immiscible sulfide melts are at least one to two orders of magnitude higher than Cu or Au, respectively, making them more sensitive indicators of sulfide ...[...]

  • Platinum-Group Minerals in the Alaskan Type Mafic ...

    Platinum-Group Minerals in the Alaskan Type Mafic-Ultramafic Intrusions of the Yubdo Area, Western Ethiopia Kebede H. Belete1, Aberra Mogessie2 and, John F.W. Bowles3 1Golden Prospect Mining Co. Ethiopia, P.O.Box 57100, Addis Ababa, Ethiopia 2Institute of Mineralogy and Petrology, University of Graz, Universitatsplatz 2, A-8010 Graz, Austria 3Mineral Science Ltd., 109 Asheridge …[...]

  • How to Identify Platinum in Ore Deposits | Sciencing

    The Bushveld Igneous Complex (BIC) is the largest layered igneous intrusion within the Earth's crust. It has been tilted and eroded forming the outcrops around what appears to be the edge of a great geological basin: the Transvaal Basin.It is approximately 2 billion years old and is divided into four different limbs: the northern, southern, eastern, and western limbs.[...]

  • USGS Mineral Resources Program Platinum-Group …

    In most rocks, platinum-group minerals are very small, ranging in size from less than a micron to a few hundred microns in diameter. Geologists can spend a lifetime working on rocks enriched in PGE and never see a platinum- group mineral in a hand specimen, so the presence of PGE must be confirmed by laboratory analysis.[...]

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  • What Are Platinum Group Metals (PGMs)? - The Balance

    Dec 10, 2018· The platinum group metals (PGMs) are six transitional metal elements that are chemically, physically, and anatomically similar. The PGMs are the densest known metal elements. Exceptionally rare, the six metals naturally occur in the same ore bodies. They are highly durable and, due to their high value, often recycled, giving them long life cycles.[...]

  • Platinum group elements geochemistry of ... - SpringerLink

    Crocket J H 2002 Platinum-group element geochemistry of mafic and ultramafic rocks; In: Geology, geochemistry, mineralogy and mineral beneficiation of platinum-group elements (ed.) Cabri L J, Canadian Institute of Mining, Metallurgy and Petroleum, Special Volume 54 177–221. Google Scholar[...]

  • Platinum-group elements - USGS

    The platinum-group elements (PGEs)—platinum, palladium, rhodium, ruthenium, iridium, and osmium—are metals that have similar physical and chemical properties and tend to occur together in nature. PGEs are indispensable to many industrial applications but are mined in only a few places. The availability and accessibility of PGEs could be disrupted by economic, environmental, political, and ...[...]

  • Petrogenesis of the Platinum-Group Minerals | Reviews in ...

    The platinum-group minerals (PGM) are a diverse group of minerals that concentrate the platinum-group elements (PGE; Os, Ir, Ru, Rh, Pt, and Pd). At the time of writing, the International Mineralogical Association database includes 135 named discrete PGM phases.[...]

  • NATIVE PLATINUM (Pt) - Amethyst Galleries

    Native platinum is an exotic mineral specimen and an expensive metal. Unfortunately, well formed crystals of platinum are very rare and the common habit of platinum is nuggets and grains. Pure platinum is unknown of in nature as it usually is alloyed with other metals such as iron, copper, gold, nickel, iridium, palladium, rhodium, ruthenium and osmium.[...]

  • 33 Best Native finds images | Gems, Platinum group, Rock ...

    Dec 29, 2016- artifacts/gems/space rocks. See more ideas about Gems, Platinum group and Rock tumbling.[...]

  • Platinum group - Wikipedia

    The platinum-group metals (abbreviated as the PGMs; alternatively, the platinoids, platinides, platidises, platinum group, platinum metals, platinum family or platinum-group elements (PGEs)) are six noble, precious metallic elements clustered together in the periodic table.These elements are all transition metals in the d-block (groups 8, 9, and 10, periods 5 and 6).[...]

  • Platinum-Group Elements in Sedimentary Environments in …

    Platinum-Group Elements in Sedimentary Environments in the Conterminous United States By Jocelyn A. Peterson With a section on Platinum-Group Elements in Coal By Robert B. Finkelman and Susan J. Tewalt GEOLOGY AND GEOLOGIC ENVIRONMENTS PERMISSIVE FOR PLATINUM-GROUP ELEMENTS IN THE CONTERMINOUS UNITED STATES[...]

  • Platinum Group Minerals in Eastern Brazil | Johnson ...

    Three of these massifs contain concentrations of platinum group minerals or platinum group elements, and gold, associated with the chromitite rock found there. In the fourth massif, in Minas Gerais State, the platinum group elements are found in alluvial deposits at the Bom Sucesso occurrence. This placer is currently being studied.[...]

  • Photos of Natural Platinum Ore, Platinum and Palladium ore ...

    Platinum is refined and separated from the associated platinum group metals by a somewhat complicated series of operations involving fractional crystallization or resin capture. Most platinum is recovered from primary hard rock deposits, and these are of the greatest economic importance.[...]

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  • Platinum-group elements in Deccan mafic rocks: A ...

    Request PDF | Platinum-group elements in Deccan mafic rocks: A comparison of suites differentiated by Ir content | A suite of 18 Deccan mafic rocks including 14 …[...]

  • Gold Ore, Silver Ore and Platinum Group Metals Ore ...

    Oct 11, 2013· Silver, Gold, and Platinum group metals ores are presented in this second video which educates viewers on exploration and mining of precious metals ores. This is the Mineralogist's focus on the ...[...]

  • Platinum Group Element, Chromium, and Vanadium Deposits …

    Appendix to "Platinum-Group Element Chromium and Vanadium Deposits in Mafic and Ultramafic Rocks" January 2005 R. Grant Cawthorn · Stephen John …[...]