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Abstract <p>Mineralogical–petrological, geochemical, and isotope geochronological studies provide new data on the major- and trace-element composition, petrogenesis, U–Pb zircon age , and Sr and <sup>147</sup>Sm–<sup>143</sup>Nd isotopic parameters of the granitoids of the Ryazanovsky massif near the Yenisei fault zone of the Yenisei Ridge. The origin of these rocks at the Meso–Neoproterozoic boundary (1013 ± 9.9 Ma) marks early Grenvillian orogeny in the western margin of the Siberian craton.</p>

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Evidence of Grenville Tectonic Events in the Western Margin of the Siberian Craton: Granitoids of the Ryazanovsky Massif, Yenisei Ridge

  • 期刊论文

  • 发表日期：

    2026年7月22日

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  • A. D. Nozhkin,
  • O. M. Turkina,
  • I. I. Likhanov,
  • Yu. L. Ronkin

摘要

Abstract

Mineralogical–petrological, geochemical, and isotope geochronological studies provide new data on the major- and trace-element composition, petrogenesis, U–Pb zircon age , and Sr and 147Sm–143Nd isotopic parameters of the granitoids of the Ryazanovsky massif near the Yenisei fault zone of the Yenisei Ridge. The origin of these rocks at the Meso–Neoproterozoic boundary (1013 ± 9.9 Ma) marks early Grenvillian orogeny in the western margin of the Siberian craton.