THE FIRST 40Ar/39Ar GEOCHRONOLOGICAL DATA FOR ORE METASOMATITES OF THE UNGLICHIKAN GOLD DEPOSIT, EASTERN PART OF THE MONGOL-OKHOTSK FOLD BELT
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Published:2020-12-15
Issue:4
Volume:11
Page:672-677
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ISSN:2078-502X
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Container-title:Geodynamics & Tectonophysics
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language:
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Short-container-title:Geodin. tektonofiz.
Author:
Kadashnikova A. Yu.1ORCID,
Sorokin A. A.1ORCID,
Ponomarchuk A. V.2ORCID,
Travin A. V.2ORCID,
Ponomarchuk V. A.2ORCID
Affiliation:
1. Institute of Geology and Nature Management, Far Eastern Branch of the Russian Academy of Sciences
2. Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
Abstract
In our isotope-geochronological study, the age of ore metasomatites of the Unglichikan gold deposit is determined at 140–136 Ma. Magmatism of this age is absent in the study area, and it is thus unreasonable to relate the ore mineralization in the Unglichikan deposit to any magmatic process. We conclude that in the mobilization and redistribution of the ore material and the formation of the Unglichikan deposit, a significant role was played by dislocation processes accompanied by hydrothermal activity during the final stages of orogenesis in the Mongol-Okhotsk belt.
Publisher
Institute of Earth's Crust, Siberian Branch of the Russian Academy of Sciences
Subject
Earth-Surface Processes,Geophysics
Cited by
1 articles.
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