Neoproterozoic Alkaline Igneous Rocks, Carbonatites and Gold Deposits of the Yenisei Ridge, Central Siberia: Evidence of Mantle Plume Activity and Late Collision Shear Tectonics Associated with Orogenic Gold Mineralization

Igor Gertner, Platon Tishin, Vassily Vrublevskii, Anatoly Sazonov, Elena Zvyagina, Yuriy Kolmakov

Результат исследований: Материалы для журналаСтатья

4 Цитирования (Scopus)

Выдержка

This paper discusses the plausible genetic relationship between disseminated Au-sulfide mineralization and mantle plume-related magmatism in the context of the tectonic evolution of the Yenisei ridge in central Siberia. The relationship is inferred based on structural and geochemical studies of the Blagodat Au deposit, and the Transangara alkaline syenite and Penchenga fenite-carbonatite complexes. Analyses of Nd, Sr and Ar isotopic compositions of samples from these geological features show their possible close temporal relationships but different sources. Nevertheless, the present data sets suggest that thermal effects of mantle plume activity likely controlled hydrothermal fluid mobilization in metamorphic suites and further enrichment of gold. The structural setting of the Blagodat Au deposit demonstrates the typical example of Au-sulfide mineralization controlled by late collisional shear deformations. The present example of Au deposit associated temporally and spatially with carbonatites and alkaline rock complexes is an exclusive case in the Earth's history supporting a plausible genetic relationship between mantle plume-related magmatism and orogenic-Au mineralization.

Язык оригиналаАнглийский
Страницы (с-по)316-343
Число страниц28
ЖурналResource Geology
Том61
Номер выпуска4
DOI
СостояниеОпубликовано - окт 2011
Опубликовано для внешнего пользованияДа

Отпечаток

Igneous rocks
Gold deposits
alkaline rock
Sulfides
mantle plume
Tectonics
Gold
igneous rock
gold
collision
mineralization
tectonics
magmatism
fenite
sulfide
Thermal effects
Shear deformation
syenite
Earth (planet)
carbonatite

ASJC Scopus subject areas

  • Geology
  • Geochemistry and Petrology

Цитировать

Neoproterozoic Alkaline Igneous Rocks, Carbonatites and Gold Deposits of the Yenisei Ridge, Central Siberia : Evidence of Mantle Plume Activity and Late Collision Shear Tectonics Associated with Orogenic Gold Mineralization. / Gertner, Igor; Tishin, Platon; Vrublevskii, Vassily; Sazonov, Anatoly; Zvyagina, Elena; Kolmakov, Yuriy.

В: Resource Geology, Том 61, № 4, 10.2011, стр. 316-343.

Результат исследований: Материалы для журналаСтатья

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abstract = "This paper discusses the plausible genetic relationship between disseminated Au-sulfide mineralization and mantle plume-related magmatism in the context of the tectonic evolution of the Yenisei ridge in central Siberia. The relationship is inferred based on structural and geochemical studies of the Blagodat Au deposit, and the Transangara alkaline syenite and Penchenga fenite-carbonatite complexes. Analyses of Nd, Sr and Ar isotopic compositions of samples from these geological features show their possible close temporal relationships but different sources. Nevertheless, the present data sets suggest that thermal effects of mantle plume activity likely controlled hydrothermal fluid mobilization in metamorphic suites and further enrichment of gold. The structural setting of the Blagodat Au deposit demonstrates the typical example of Au-sulfide mineralization controlled by late collisional shear deformations. The present example of Au deposit associated temporally and spatially with carbonatites and alkaline rock complexes is an exclusive case in the Earth's history supporting a plausible genetic relationship between mantle plume-related magmatism and orogenic-Au mineralization.",
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AU - Gertner, Igor

AU - Tishin, Platon

AU - Vrublevskii, Vassily

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AU - Zvyagina, Elena

AU - Kolmakov, Yuriy

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KW - Au deposits

KW - Isotope geochemistry

KW - Mantle plume

KW - Shear tectonics

KW - Yenisei Ridge

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