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Abstract <p>The local granitoid gold-ore‒magmatic system of the Yana‒Kolyma orogenic belt is characterized. Data on geochemistry of ore-bearing granitoids and mineralogy and geochemistry of ores are presented. Gold mineralization is attributed to the gold‒bismuth type. Signs of the genetic relationship of granitoids with the ore mineralization have been established, which consist in the mineralogical-geochemical and isotope-geochemical characteristics of the constituent parts of the Delyankir ore‒magmatic cluster. The fluid composition evolution from quartz deposition to arsenopyrite and ore minerals deposition is shown.</p>

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Delyankir Local Gold Ore‒Magmatic System (Yana‒Kolyma Belt, North-East Russia)

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • N. A. Goryachev,
  • G. N. Gamyanin,
  • A. A. Tsygankov,
  • S. G. Kryazhev,
  • E. M. Goryacheva,
  • O. T. Sotskaya

摘要

Abstract

The local granitoid gold-ore‒magmatic system of the Yana‒Kolyma orogenic belt is characterized. Data on geochemistry of ore-bearing granitoids and mineralogy and geochemistry of ores are presented. Gold mineralization is attributed to the gold‒bismuth type. Signs of the genetic relationship of granitoids with the ore mineralization have been established, which consist in the mineralogical-geochemical and isotope-geochemical characteristics of the constituent parts of the Delyankir ore‒magmatic cluster. The fluid composition evolution from quartz deposition to arsenopyrite and ore minerals deposition is shown.