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The Age of the Epithermal Gold–Silver Mineralization at the Kubaka Deposit (Omolon Cratonic Terrane, Northeast Russia): Geological and Isotopic-Geochronological (U–Pb, 40Ar/39Ar) Constraints

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Abstract

This paper reports geological–structural and mineralogical data on the relationships of Paleozoic ore veins with Carboniferous and Mesozoic rocks at the Kubaka gold–silver deposit in the Omolon cratonic terrane. The presented observations are inconsistent with an Upper Carboniferous upper age limit of the deposit, which was inferred by Akinin et al. (2020) on the basis of isotope–geological studies of ores and rocks sampled in an outcrop of the ore body in the quarry of the Tsokol’naya Zone.

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ACKNOWLEDGMENTS

We are grateful to the directorate and geologists of the OZRK and Magadan branch of the JSC Polymetall for help in the performance of our studies.

Funding

This work was made in the framework of the State Task of the Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry of the Russian Academy of Sciences Metallogeny of Ore Districts of Volcanoplutonic and Folded Orogenic Belts of Northeast Russia.

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Authors and Affiliations

  1. Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences, Staromonetnyi per. 35, 119017, Moscow, Russia

    A. A. Sidorov & A. V. Volkov

  2. Shilo Northeast Interdisciplinary Scientific Research Institute, Far Eastern Branch, Russian Academy of Sciences, ul. Portovaya 16, 685000, Magadan, Russia

    N. E. Savva

  3. JSC Omolon Gold Mining Company (OZRK), ul. Transportnaya 1, 685007, Magadan, Russia

    B. I. Ishkov

  4. Research Geotechnological Center, Far Eastern Branch, Russian Academy of Sciences, Severovostochnoe sh. 30, 683002, Petropavlovsk-Kamchatskii, Russia

    V. A. Stepanov

  5. Geological Faculty, Moscow State University, 119234, Moscow, Russia

    L. N. Shishakova

Authors
  1. A. A. Sidorov
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  2. N. E. Savva
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  3. B. I. Ishkov
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  4. A. V. Volkov
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  5. V. A. Stepanov
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  6. L. N. Shishakova
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Corresponding authors

Correspondence to A. A. Sidorov, N. E. Savva, B. I. Ishkov, V. A. Stepanov or L. N. Shishakova.

Additional information

Recommended for publishing by A.I. Khanchuk

Translated by M. Bogina

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Sidorov, A.A., Savva, N.E., Ishkov, B.I. et al. The Age of the Epithermal Gold–Silver Mineralization at the Kubaka Deposit (Omolon Cratonic Terrane, Northeast Russia): Geological and Isotopic-Geochronological (U–Pb, 40Ar/39Ar) Constraints. Russ. J. of Pac. Geol. 15, 167–173 (2021). https://doi.org/10.1134/S181971402102007X

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  • DOI: https://doi.org/10.1134/S181971402102007X

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