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ОСОБЕННОСТИ РАСПРЕДЕЛЕНИЯ РЕДКОЗЕМЕЛЬНЫХ ЭЛЕМЕНТОВ И ЛИТИЯ МЕЖДУ ФАЗАМИ ВО ФТОРСОДЕРЖАЩЕЙ ГРАНИТНОЙ СИСТЕМЕстатья
- Авторы: Щекина Т.И., Русак А.А., Алферьева Я.О., Граменицкий Е.Н., Котельников А.Р., Зиновьева Н.Г., Бычков А.Ю., Ахмеджанова Г.М.
- Сборник: Труды ВЕСЭМПГ-2018
- Год издания: 2018
- Место издания: ГЕОХИ МОСКВА
- Первая страница: 136
- Последняя страница: 139
- Аннотация: Abstract. The distribution of rare-earth elements, Y, Sc and Li between aluminosilicate (L) and aluminofluoride (LF) melts in the granite system with limiting fluorine concentrations at 700 and 800°C, 1 and 2 kbar pressure was studied. The water content was from 2.5 to 50 wt.%. It is shown that all rare-earth elements, Y, Sc and Li are distributed in favor of the aluminofluoride salt melt, regardless of the experiment conditions. However, the partition coefficients of the elements KdREE(LF/L) between these phases depend on the pressure, temperature and water content in the system. It is shown for the first time that an increase in pressure from 1 to 2 kbar at T = 700-800°C in the studied system causes a significant decrease in the KdREE(LF/L). An increase in the water concentration in the system usually causes an increase in KdREE(LF/L).
- Добавил в систему: Зиновьева Нина Георгиевна
Прикрепленные файлы
| № | Имя | Описание | Имя файла | Размер | Добавлен |
|---|---|---|---|---|---|
| 1. | Полный текст | Trudyi_VESEMPG-2018-stranitsyi-1137-140.pdf | 6,8 МБ | 10 января 2020 [sunRusak] | |
| 2. | Trudyi_VESEMPG-2018.pdf | Trudyi_VESEMPG-2018.pdf | 22,8 МБ | 28 ноября 2018 [sunRusak] |
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| [1] | ОСОБЕННОСТИ РАСПРЕДЕЛЕНИЯ РЕДКОЗЕМЕЛЬНЫХ ЭЛЕМЕНТОВ И ЛИТИЯ МЕЖДУ ФАЗАМИ ВО ФТОРСОДЕРЖАЩЕЙ ГРАНИТНОЙ СИСТЕМЕ / Т. И. Щекина, А. А. Русак, Я. О. Алферьева и др. // Труды ВЕСЭМПГ-2018. — ГЕОХИ МОСКВА, 2018. — С. 136–139. Abstract. The distribution of rare-earth elements, Y, Sc and Li between aluminosilicate (L) and aluminofluoride (LF) melts in the granite system with limiting fluorine concentrations at 700 and 800oC, 1 and 2 kbar pressure was studied. The water content was from 2.5 to 50 wt.%. It is shown that all rare-earth elements, Y, Sc and Li are distributed in favor of the aluminofluoride salt melt, regardless of the experiment conditions. However, the partition coefficients of the elements KdREE(LF/L) between these phases depend on the pressure, temperature and water content in the system. It is shown for the first time that an increase in pressure from 1 to 2 kbar at T = 700-800oC in the studied system causes a significant decrease in the KdREE(LF/L). An increase in the water concentration in the system usually causes an increase in KdREE(LF/L). |