Peculiarities of the chemical composition of spinel group minerals in the talnakh copper-nickel ore deposit (north-west of the Siberian platform)

V. S. Aplonov, A. A. Zolotarev

Результат исследований: Научные публикации в периодических изданияхстатья

Выдержка

There are generalized data of the representative collection of chemical analyses of spinel group minerals from various rocks of the Talnakh deposit (in total - 240 microprobe analyses). Data on composition of spinelids from rocks of Zubovskoe (4 analyses) and Norilsk-1 (53 analyses) deposits have been used also. Spinel group minerals in igneous rocks and the metamorphic halo of the Talnakh deposit belong to five mineral species: magnetite, chromite, magnesiochromite, spinel and hercynite. Magnesioferrite, maghemite and titanomaghemite may be present in the ore field rocks also: some chemical analyses in the studied collection might be recalculated in chemical formulas of these mineral species. Ulvospinel was identified in rocks of Norilsk-I and Zubovskoe deposits. Despite the diversity of spinel group minerals, variations of their compositions are described by only three schemes of isomorphism: Mg ↔ Fe 2+ ; Al ↔ Fe 3+ ↔ Cr; Fe 3+VI + Fe 3+IV ↔ Ti 4+VI + Fe 2+IV . The role of other elements - Si, Ni, Co, Mn, Ca, Na, K, Zn, V - is insignificant.

Язык оригиналаанглийский
Страницы (с-по)51-69
Число страниц19
ЖурналZapiski Rossiiskogo Mineralogicheskogo Obshchestva
Том146
Номер выпуска3
СостояниеОпубликовано - 1 янв 2017

Отпечаток

Ore deposits
Nickel
ore deposit
spinel
Minerals
Copper
nickel
chemical composition
copper
Deposits
Rocks
mineral
Chemical analysis
rock
hercynite
Ferrosoferric Oxide
Igneous rocks
Chromite
maghemite
Magnetite

Предметные области Scopus

  • Геохимия и петрология
  • Геология
  • Экономическая геология
  • Химия материалов

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Peculiarities of the chemical composition of spinel group minerals in the talnakh copper-nickel ore deposit (north-west of the Siberian platform). / Aplonov, V. S.; Zolotarev, A. A.

В: Zapiski Rossiiskogo Mineralogicheskogo Obshchestva, Том 146, № 3, 01.01.2017, стр. 51-69.

Результат исследований: Научные публикации в периодических изданияхстатья

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AU - Zolotarev, A. A.

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N2 - There are generalized data of the representative collection of chemical analyses of spinel group minerals from various rocks of the Talnakh deposit (in total - 240 microprobe analyses). Data on composition of spinelids from rocks of Zubovskoe (4 analyses) and Norilsk-1 (53 analyses) deposits have been used also. Spinel group minerals in igneous rocks and the metamorphic halo of the Talnakh deposit belong to five mineral species: magnetite, chromite, magnesiochromite, spinel and hercynite. Magnesioferrite, maghemite and titanomaghemite may be present in the ore field rocks also: some chemical analyses in the studied collection might be recalculated in chemical formulas of these mineral species. Ulvospinel was identified in rocks of Norilsk-I and Zubovskoe deposits. Despite the diversity of spinel group minerals, variations of their compositions are described by only three schemes of isomorphism: Mg ↔ Fe 2+ ; Al ↔ Fe 3+ ↔ Cr; Fe 3+VI + Fe 3+IV ↔ Ti 4+VI + Fe 2+IV . The role of other elements - Si, Ni, Co, Mn, Ca, Na, K, Zn, V - is insignificant.

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