ТУРМАЛИН-СОДЕРЖАЩИЕ МЕТАСОМАТИТЫ УРАЛЬСКИХ ИЗУМРУДНЫХ КОПЕЙ, СРЕДНИЙ УРАЛ. СТАТЬЯ III. ТУРМАЛИН-МАРГАРИТОВЫЕ ПРОЖИЛКИ С АЛЬБИТОМ, ФЛОГОПИТОМ И ХЛОРИТОМ
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dc.contributor.author | Кудрявцева О.Е. | |
dc.contributor.author | Бакшеев И.А. | |
dc.contributor.author | Попов М.П. | |
dc.contributor.author | Устинов В.И. | |
dc.date.accessioned | 2022-11-17T05:31:45Z | |
dc.date.available | 2022-11-17T05:31:45Z | |
dc.date.issued | 2004 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=9509725 | |
dc.identifier.citation | Уральский геологический журнал, 2004, , 3(39), 51-68 | |
dc.identifier.issn | 2219-1208 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/39775 | |
dc.description.abstract | Tourmalines from tourmaline-margarite veinlets can be divided into two groups. The first one is relic from phlogopitite with the FeΣ*100%/(FeΣ+Mg), Ca*100%/(Ca+Na) ratios and flour content ranging from 13.8 to 34.6%, from 18.4 to 45.9%, and from 0.11 to 0.44 apfu, respectively. The second group includes newly formed tourmaline that is simulteneous with margarite. This can be classified as variety between the shorl-dravite endmembers with the FeΣ*100%/(FeΣ+Mg) and Ca*100%/(Ca+Na) ratios ranging from 18.7 to 41.1% and from 5.5 to 16.1%. Based on the F- contents tourmaline composition ranges from dravite to fluor-dravite (0.03-0.72 apfu F). Crystallization temperature of the tourmaline estimated from the tourmaline-biotite thermometer is 350-360°C. Tourmaline-margarite veinlets have been formed at the fF2 increasing and low values of fO2 and fCO2. | |
dc.title | ТУРМАЛИН-СОДЕРЖАЩИЕ МЕТАСОМАТИТЫ УРАЛЬСКИХ ИЗУМРУДНЫХ КОПЕЙ, СРЕДНИЙ УРАЛ. СТАТЬЯ III. ТУРМАЛИН-МАРГАРИТОВЫЕ ПРОЖИЛКИ С АЛЬБИТОМ, ФЛОГОПИТОМ И ХЛОРИТОМ | |
dc.type | Статья | |
dc.subject.udc | 549.6+549.612(234.852) |
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