The Ryabinovoe Porphyry Cu–Au Deposit (Southern Yakutia): Geology, Wallrock Alteration, Noble Gases Isotope Systematics and Isotopic Dating of Mineralization Processes

In the territory of the Ryabinovoe porphyry copper-gold deposit, ore mineralization is confined to multi-stage metasomatism fields, which were formed in two stages. At the first, pre-ore stage, high-temperature potassium-sodium metasomatites ( aegirine feldspathites ) were formed, at the second stag...

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Veröffentlicht in:	Geology of ore deposits 2024-02, Vol.66 (1), p.120-141
Hauptverfasser:	Shatova, N. V., Molchanov, A. V., Terekhov, A. V., Shatov, V. V., Petrov, O. V., Sergeev, S. A., Prasolov, E. M., Dvornik, G. P., Leontev, V. I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Barite Carbonates Copper Copper ores Earth and Environmental Science Earth Sciences Gases Geology Gold High temperature Isotope studies Isotopes Low temperature Mica Mineral Resources Mineralization Muscovite Orthoclase Porphyry copper Potassium Rare gases Sodium Systematics
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Zusammenfassung:	In the territory of the Ryabinovoe porphyry copper-gold deposit, ore mineralization is confined to multi-stage metasomatism fields, which were formed in two stages. At the first, pre-ore stage, high-temperature potassium-sodium metasomatites ( aegirine feldspathites ) were formed, at the second stage, medium-low-temperature wallrock gumbeites in the form of two facies varieties: carbonate-sericite-muscovite-orthoclase and quartz-carbonate-barite-adular varieties. Results of isotope studies (U-Pb, Rb-Sr, Re-Os, 40 Ar/ 36 Ar, 3 He/ 4 He, 20 Ne) of the aforementioned metasomatites and ore mineralization are discussed in the paper.
ISSN:	1075-7015 1555-6476
DOI:	10.1134/S1075701524010045