Thermodynamic Models of Redeposition of the Substance of Pb–Zn Ore Veins at a Carbonate Barrier upon Reactivation of Hydrothermal Processes

Borisov, M.V.; Bychkov, D.A.; Shvarov, Y.V.; Lubkova, T.N.

Авторы: Borisov M.V., Bychkov D.A., Shvarov Yu V., Lubkova T.N.
Журнал: Moscow University Geology Bulletin
Том: 79
Номер: 6
Год издания: 2024
Издательство: Allerton Press Inc.
Местоположение издательства: United States
Первая страница: 810
Последняя страница: 817
DOI: 10.3103/S0145875224700789
Аннотация: The methods of equilibrium–dynamic modeling have been applied to evaluate the probability of redeposition of previously formed Pb–Zn vein ore substances at a carbonate barrier upon reactivation of a hydrothermal system. The natural prototype is the Ursdon ore occurrence (Dzhimidon ore field, North Ossetia, Russia) in Oxfordian limestone (J3); the formation of polymetallic vein deposits of the region occurred in the pre-Callovian time of the Middle Jurassic. Calculations have been performed using the HCh software package, which includes the Unitherm thermodynamic database (the H–O–K–Na–Ca–Mg–Al– Si–Fe–C–Cl–S–Zn–Pb–Cu system described by 54 minerals and 78 particles of an aqueous solution). It has been established that late low-temperature hydrothermal solutions may provide pyritization, silicification, and the formation of Pb–Zn mineralization in carbonate rocks. The deposition of quartz and sulfides occurs along fractures and at the dissolution front of carbonate rocks.
Добавил в систему: Борисов Михаил Васильевич

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Thermodynamic Models of Redeposition of the Substance of Pb–Zn Ore Veins at a Carbonate Barrier upon Reactivation of Hydrothermal Processesстатья Перевод

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