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Geochemical Specifics of Highly Differentiated Topaz-Bearing Granite of the Salmi Batholithстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 19 декабря 2019 г.
- Авторы: Konyshev A.A., Chevychelov V.Yu, Shapovalov Yu B.
- Журнал: Doklady Earth Sciences
- Том: 483
- Номер: 2
- Год издания: 2018
- Издательство: Maik Nauka/Interperiodica Publishing
- Местоположение издательства: Russian Federation
- Первая страница: 1542
- Последняя страница: 1546
- DOI: 10.1134/S1028334X18120140
- Аннотация: Two varieties of highly differentiated topaz-bearing granite of the Salmi Batholith are distinguished: Li-siderophyllite topaz-bearing granite (Li-Sdph) (Lupikko dome) and Li–F-topaz-zinnwaldite granite (Li–F-Znwl) (Uksinskii dome). Their geochemical patterns and their place in the evolution of the compositions of A-type granite magma derivatives are shown using indicators of crystallization differentiation and the mineragenic potential; the likely regime of the volatile components (water activity in the melt and F accumulation) is discussed. The physicochemical conditions of the formation of Li–F granite were studied. The solidus temperature was determined experimentally by the method of rock powder melting (570–640°C under water saturated and dry conditions). Based on the temperatures of rock formation obtained and the data on the composition of micas, the F content in the fluid in equilibrium with micas (~0.24–0.34 mol/dm3 HF) was estimated. This similarity of the evolutionary trends for granite magmatism of the studied rocks and commercial Ta–Nb objects of Eastern Transbaikalia (S-type granite) is shown.
- Добавил в систему: Чевычелов Виталий Юрьевич
Прикрепленные файлы
| № | Имя | Описание | Имя файла | Размер | Добавлен |
|---|---|---|---|---|---|
| 1. | Полный текст | Konyshev_Chevychelov.pdf | 533,0 КБ | 17 декабря 2019 [Chevychelov] |