PGE mineralization in marginal sulfide ores of the Chineisky layered intrusion, Russia

Tolstykh, Nadezhda D.

doi:10.1007/s00710-007-0209-1

Cited by 10 publications

(5 citation statements)

References 15 publications

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“…In general, the Fe/Ni ratios in the pentlandite from the Oortsog and Yamat massifs vary within ranges of 0.97-1.44 and 0.98-1.79, respectively. Pentlandite from Cu-Ni-PGE deposits is characterized by similar compositions (increased Fe content): Kingash, Yoko-Dovyren, and other massifs of the southern border of the Siberian Craton [4,7]. The Ni/(Ni + Fe) ratio in pentlandite increases during the evolution of sulfide melt in the massifs of the Khangai upland.…”

Section: Sulfidesmentioning

confidence: 99%

“…Such examples include the unique Cu-Ni-PGE deposits of the Norilsk region, confined to the traps of the Siberian Craton (250 Ma) due to the action of the central part of a deep mantle plume [3]. Cu-Ni-PGE deposits in the south of the Siberian Craton are also associated with mafic-ultramafic magmatism: Fe-Ti-V-Cu-PGE Chiney deposit (1880 Ma), Cu-Ni-PGE Yoko-Dovyren intrusion (728 Ma), and Cu-Ni-PGE Kingash deposit (1410-873 Ma) [4][5][6][7]. In addition, PGE-rich Cu-Ni deposits are confined to the central parts of the plumes, such as the Emeishan and Tarim plumes [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

“…Note. Sulfides(1)(2)(3)(4)(9)(10)(11)(12) from Intrusion 1 of Oortsog massif,(5)(6)(7)(8)(13)(14)(15)(16)-Intrusion 2 of Oortsog massif. Nomenclature of sulfides[52]: Po-pyrrhotite, Pn-pentlandite, Cp-chalcopyrite, Cbn-cubanite, Bn-bornite, Cv-covellite, Cc-chalcocite, Py-pyrite.…”

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confidence: 99%

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PGE-Cu-Ni Mineralization of Mafic-Ultramafic Massifs of the Khangai Upland, Western Mongolia

et al. 2020

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The mafic-ultramafic massifs with the PGE-Cu-Ni mineralization located in North-Central Mongolia: Oortsog, Dulaan, Mankhan, Yamat, and Nomgon were investigated. For the first time we consider these massifs as a single magmatic association and as fragments of Khangai batholith caused by the action of the plume responsible for the formation Permian Khangai LIP. The massifs fractionated from peridotite to gabbro have a similar typomorphic ore mineralogical and geochemical features, which change depending on the degrees of fractionation of magma and evolution of the sulfide melt. The least fractionated Oortsog massif originated from Ni-rich high-Mg basaltic magma. It is characterized by predominance of pyrrhotite mineralization due to exsolution of monosulfide solid solution (MSS). The most fractionated is the Nomgon massif originated from Cu-rich basaltic magma with bornite-chalcopyrite mineralization, formed as an exsolution of intermediate solid solution (ISS). The rest of the massifs have a medium characteristics between these two. The compositions of sulfides in the studied massifs change in accordance with the increase in sulfur fugacity from peridotite to gabbro: enrichment of pentlandite in Ni and pyrrhotite in S. The composition of PGM changes from Pt minerals in Oortsog massif to Pd minerals in Nomgon massif in the same direction. These massifs can be considered as potential for the PGE.

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Section: Sulfidesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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PGE-Cu-Ni Mineralization of Mafic-Ultramafic Massifs of the Khangai Upland, Western Mongolia

et al. 2020

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“…This correlation becomes less distinct as the contact is approached. In the final portions of the sulfide melt that crystallized as chalcopyrite ore, Pd progressively concentrates in its arsenide, telluride, antimonide, and bismuthide constituents (Tolstykh, 2008).…”

Section: Sulfide Ores Of the Chinei Pluton And Related Pge Mineralizamentioning

confidence: 99%

“…Pd minerals comprise its numerous compounds with Bi, Te, Sb, Sn, As, and Ni, shown in Fig.6; and froodite (PdBi 2 ), mertieite II (Pd 8 Sb 3 ), isomertieite (Pd 11 Sb 2 As 2 ), michenerite (PdBiTe), hollingworthite (RhAsS), and oxidized Pd minerals . The zoning is traced in the dis tribution of PGM assemblages from the inner part of the intrusion toward its contacts: Pd-Sn Pd-As Pd-Sb Pd-Te Pd-Bi (Tolstykh, 2008). Isof erroplatinum and atokite have been identified in the layered gabbro at a great distance from the contact, toward which they give way first to sperrylite and high Pd compounds [Pd 5 (Sn,As,Sb) 2 ] and [Pd 2 (Sn,As,Sb)], and then, closer to the contact, to low Pd minerals [Pd(Sb,Te,Bi)].…”

Section: Sulfide Ores Of the Chinei Pluton And Related Pge Mineralizamentioning

confidence: 99%

Heavy concentrate halos as prospecting guides for PGE mineralization

Tolstykh

Podlipsky

2010

Geol. Ore Deposits

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Absract-Platinum group minerals (PGM) in primary ores and placers are compared in order to substantiate prospecting guides for layered and differentiated intrusions containing sulfide Cu-Ni ores with platinum group elements (PGE). It is shown that supergene placer mineral assemblages bear information on primary sources and their probable economic value. The mineralogical and geochemical data on the large Siberian intrusions that host Cu-Ni and low sulfide PGM deposits (Noril'sk 1, Kingash, Chinei, and Yoko Dovyren) are used to elaborate mineralogical prospecting guides based on the comparative study of PGM assemblages in primary ore, heavy concentrate halos, and hillside sediments. The mechanism of PGM redistribution under supergene conditions is exemplified in the Chinei deposit. The placer mineral assemblage with preva lence of Pt-Fe alloys, atokite-rustenburgite, sperrylite, and multicomponent Pd-Sn-Cu-Pb compounds can be used as a prospecting guide for Noril'sk type primary PGM ore and related economic placers. The paolovite-sperrylite or sperrylite PGM assemblage in heavy concentrate halos indicates occurrence of CuNi ore in the prospecting area. Sperrylite with isomorphic admixture of Ir and Os typical of the Kingash plu ton could be a orospecting guide for Ni bearing mafic-ultramafic intrusions.

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Metallogenic Province of Northeastern Transbaikalia: A Summary

Gongalsky

Krivolutskaya

2019

Modern Approaches in Solid Earth Sciences

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PGE mineralization in marginal sulfide ores of the Chineisky layered intrusion, Russia

Cited by 10 publications

References 15 publications

PGE-Cu-Ni Mineralization of Mafic-Ultramafic Massifs of the Khangai Upland, Western Mongolia

PGE-Cu-Ni Mineralization of Mafic-Ultramafic Massifs of the Khangai Upland, Western Mongolia

Heavy concentrate halos as prospecting guides for PGE mineralization

Metallogenic Province of Northeastern Transbaikalia: A Summary

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