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Geochemical and geo-electrical study of mud pools at the Mutnovsky volcano (South Kamchatka, Russia): Behavior of elements, structures of feeding channels and a model of origin

Bessonova E.P., Bortnikova S.B., Gora M.P., Manstein Yu.A., Shevko A.Ya., Panin G.L., Manstein A.K. (2012) Geochemical and geo-electrical study of mud pools at the Mutnovsky volcano (South Kamchatka, Russia): Behavior of elements, structures of feeding channels and a model of origin // Applied Geochemistry. Vol. 27, No. 9. pp. 1829 - 1843. doi: 10.1016/j.apgeochem.2012.02.018.

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Abstract

This study presents data on the geochemical composition of boiling mud pools at the Mutnovsky volcano. The physicochemical characteristics of the pools and the concentrations of major, minor and trace elements in pool solutions vary widely. A comparison of the geochemical compositions of host rocks and solutions indicates that leaching from rocks is not the only source of chemicals in thermal solutions. Geophysical studies reveal the inner structure of thermal fields, which reflect the shapes of the underground reservoirs and feed channels. Using geophysical methods (electrical resistivity tomography and frequency domain investigations), it was shown that the vertical structure and complex geochemical zonation of the feed channels leads to a high contrast in the compositions of the mud solutions. These findings answer questions about the origin and composition of surface manifestations. To elucidate the mechanisms of solution formation, an attempt was made to describe the magmatic fluid evolution and the resulting mixing of waters by physical and mathematical models. The model illustrates fluid migration from a magma chamber to the surface. It is shown that the formation of brines corresponding to the mud pool composition is possible during secondary boiling.
Item Type: Article
Title: Geochemical and geo-electrical study of mud pools at the Mutnovsky volcano (South Kamchatka, Russia): Behavior of elements, structures of feeding channels and a model of origin
Language: English
Journal or Publication Title: Applied Geochemistry
ISSN Print: 0883-2927
Subjects: Volcanoes > 1 Volcanoes of the Kurile-Kamchatka Region > 1.1 Kamchatka > Mutnovsky
Additional Information: 13th International Symposium on Water-Rock Interaction (WRI -13)
Depositing User: И.М. Романова
Date Deposited: 17 Dec 2015 06:16
Last Modified: 17 Dec 2015 06:16
URI: http://repo.kscnet.ru/id/eprint/2550

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