Russian Journal of Pacific Geology

, Volume 5, Issue 2, pp 97–110 | Cite as

Ag-Sb mineralization of the Yana-Kolyma belt, Northeast Russia

  • N. A. Goryachev
  • G. N. Gamyanin
  • V. Yu. Prokof’ev
  • T. A. Velivetskaya
  • A. V. Ignat’ev
  • N. V. Leskova


The mineral assemblages of the Ag-Sb deposits from the Yana-Kolyma Foldbelt were studied. The compositions of ore minerals, the isotopic compositions of sulfur in ore minerals, and the carbon and oxygen in carbonates are given. Arsenopyrite of the deposits is significantly enriched in Sb (1–16 wt %), which is related to the primary enrichment of the ore-hosting sequences in Sb and the ore formation at shallow depths. Based on the fluid inclusions study, the deposits were formed at T = 329–149°C and P = 0.30–1.04 kb from low-salinity chloride-sulfate-bicarbonate solutions enriched in Sb and Ag. The sequence of precipitation of Ag-Sb minerals was mainly controlled by the Sb concentration and the sulfur fugacity and potential in the fluid.


Ag-Sb mineralization Sb-arsenopyrite stable isotopes and fluid inclusions Yana-Kolyma fold belt Northeastern Russia 


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© Pleiades Publishing, Ltd. 2011

Authors and Affiliations

  • N. A. Goryachev
    • 1
  • G. N. Gamyanin
    • 2
  • V. Yu. Prokof’ev
    • 2
  • T. A. Velivetskaya
    • 3
  • A. V. Ignat’ev
    • 3
  • N. V. Leskova
    • 4
  1. 1.NorthEast Interdisciplinary Science Research Institute, Far East BranchRussian Academy of SciencesMagadanRussia
  2. 2.Institute of Geology of Ore Deposits, Petrography, Mineralogy, and GeochemistryRussian Academy of SciencesMoscowRussia
  3. 3.Far East Geological Institute, Far East BranchRussian Academy of SciencesVladivostokRussia
  4. 4.Institute of Diamond and Noble Metal Geology, Siberian BranchRussian Academy of SciencesYakutskRussia

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