Инд. авторы: | Gerasimova E.I., Prokof'iev V.Y., Smirnov S.Z., Kovalskaya T.N. |
Заглавие: | High-Temperature Beryl from Vugless Granite Pegmatites of the Suprunovskoye Deposit, Irkutsk Oblast, Russia |
Библ. ссылка: | Gerasimova E.I., Prokof'iev V.Y., Smirnov S.Z., Kovalskaya T.N. High-Temperature Beryl from Vugless Granite Pegmatites of the Suprunovskoye Deposit, Irkutsk Oblast, Russia // Geochemistry International. - 2019. - Vol.57. - Iss. 7. - P.829-834. - ISSN 0016-7029. - EISSN 1531-8397. |
Внешние системы: | DOI: 10.1134/S001670291907005X; SCOPUS: 2-s2.0-85068563349; WoS: 000473495800008; |
Реферат: | eng: New data were obtained on the chemical composition of beryl from the Suprunovskoye deposit (wt %): 66.10 SiO2, 0.51 Na2O, 17.99 Al2O3, 0.37 MgO, 0.03 K2O, 0.02 CaO, 0.58 FeO, and 13.70 BeO (calculated). Fluid and melt inclusions were investigated for the first time in this mineral. It was found that the beryl was formed during late stages of granite magmatism from a specific pegmatite silicate melt or a water-silicate liquid enriched in water (>7 wt %), heavy REE (La/Yb = 0.48), and lithium, and depleted in fluorine and boron at a temperature of similar to 700 degrees C and a pressure of similar to 6 kbar.
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Ключевые слова: | HYDROSILICATE LIQUIDS; granite magmatism; melt inclusion; Irel complex; WATER; vugless pegmatite; aquamarine; beryl; Suprunovskoye deposit; MAGMAS; |
Издано: | 2019 |
Физ. характеристика: | с.829-834 |