铝硅酸盐熔体中洛帕石溶解的特征(实验研究)

IF 0.7 4区 地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS
N. I. Suk, A. R. Kotelnikov, A. A. Viryus
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引用次数: 0

摘要

摘要 在干燥条件下,以及在 10 wt % H2O 存在的情况下,在高气压容器中进行了为期 1 天的实验研究,在 T = 1200 和 1000°C 及 P = 2 千巴条件下,各种成分的铝硅酸盐熔体中洛帕里特(Na,Ce,Ca)2(Ti,Nb)2O6)的溶解度。起始材料是之前熔化的人造玻璃,成分包括麦饭石、乌尔特石和共晶白云石-霞石,以及来自洛沃泽罗山丘的天然洛帕里石。研究揭示了洛帕里特溶解度与铝硅酸盐熔体成分(Ca/(Na + K)、(Na + K)/Al)的关系。一些元素(Ti、Nb、Sr、REE)在硅酸盐熔体和洛帕石晶体之间的分配系数(Ki = ({{C_{i}^{{text/{melt}}}}}\mathord{left/ {\vphantom {{C_{i}^{{text\{melt}}}}}{C_{i}^{{{\text{lop}}}}}}}\right.\kern-0em}{C_{i}^{{text/{lop}}}}}}))进行了估算。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Features of Loparite Dissolution in Aluminosilicate Melts (Experimental Investigation)

Features of Loparite Dissolution in Aluminosilicate Melts (Experimental Investigation)

Features of Loparite Dissolution in Aluminosilicate Melts (Experimental Investigation)

The solubility of loparite (Na,Ce,Ca)2(Ti,Nb)2O6) in aluminosilicate melts of various compositions was experimentally studied at T = 1200 and 1000°C and P = 2 kbar under dry conditions and in the presence of 10 wt % H2O in a high gas pressure vessel with a duration of 1 day. The starting material was previously melted artificial glasses of malignite, urtite and eutectic albite–nepheline compositions, as well as natural loparite from the Lovozero massif. The dependence of the loparite solubility on the composition of the aluminosilicate melt (Ca/(Na + K), (Na + K)/Al) has been revealed. Partition coefficients of a number of elements (Ti, Nb, Sr, REE) between silicate melt and loparite crystals (Ki = \({{C_{i}^{{{\text{melt}}}}} \mathord{\left/ {\vphantom {{C_{i}^{{{\text{melt}}}}} {C_{i}^{{{\text{lop}}}}}}} \right. \kern-0em} {C_{i}^{{{\text{lop}}}}}}\)) were estimated.

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来源期刊
Geochemistry International
Geochemistry International 地学-地球化学与地球物理
CiteScore
1.60
自引率
12.50%
发文量
89
审稿时长
1 months
期刊介绍: Geochemistry International is a peer reviewed journal that publishes articles on cosmochemistry; geochemistry of magmatic, metamorphic, hydrothermal, and sedimentary processes; isotope geochemistry; organic geochemistry; applied geochemistry; and chemistry of the environment. Geochemistry International provides readers with a unique opportunity to refine their understanding of the geology of the vast territory of the Eurasian continent. The journal welcomes manuscripts from all countries in the English or Russian language.
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