Petrological and geochemical features of glassy rocks of Nachi-Kinskoye and Payalpan deposits (Kamchatka)
Authors:
About authors
- Student G.V. Plekhanov Saint Petersburg State Mining Institute
Abstract
This work represents results of petrologic and geochemical study of features of natural rhyolitic volcanic glasses of Kamchatka. Obsidians of two famous deposits of Kamchatka – Nachikinskoe and Payalpan were used for study. Apart from common comparison of petrologic and geo[1]chemical features of rocks, special attention to water species represented in glasses have been paid. IR spectroscopy was used to provide this information. According to the results of study, conclusion about probable origin of Payalpan’s glasses has been made.
References
- Геохимическая типизация кислых вулканических стекол Камчатки / B.К.Попов, А.В.Гребенников, А.Б.Перепелов и др. // Проблемы геохимии эндогенных процессов и окружающей среды: Материалы Всероссийской научной конференции. Т.2. Иркутск, 2007.
- Еремяшев В.Е. Поведение воды в модельных и природных алюмосиликатных стеклах по данным исследования методами колебательной спектроскопии: Автореф. … докт. хим. наук. Челябинск, 2007.
- Nowak M. and Behrens H. The speciation of water in haplogranitic glasses and melts determined by in situ near-infrared spectroscopy. Geochim.Cosmochim.Acta, 59, 1995.
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