长石的结构有序性是矿物形成过程温度的指标

IF 0.7 4区地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS

Geochemistry International Pub Date : 2024-05-23 DOI:10.1134/S0016702924700228

A. R. Kotelnikov, T. I. Shchekina, N. I. Suk, Z. A. Kotelnikova, T. V. Antonovskaya

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引用次数: 0

摘要

在氢氧化钠的碱性溶液中，加入过量的二氧化硅，在 0.5-1 千巴的压力下，在 500-150°C 的温度范围内对白云石的有序过程进行了实验研究。我们利用有关白云石和钠长石有序化的原始实验数据和文献数据，推导出基于长石结构有序化程度的温度评估依赖关系。对来自不同绿岩派变质复合体的岩石中含有斜长石的矿物集合体的温度进行了测定。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Structural Ordering of Feldspars as an Indicator of the Temperature of Mineral-Forming Processes

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Structural Ordering of Feldspars as an Indicator of the Temperature of Mineral-Forming Processes

The processes of albite ordering were experimentally studied in the temperature range of 500–150°C at a pressure of 0.5–1 kbar in alkaline solutions of sodium hydroxide with excess silica. Our original experimental and literature data on the ordering of albite and sodic plagioclase were used to derive dependences for evaluating the temperature based on the degree of feldspar structural ordering. Temperatures were determined for plagioclase-bearing mineral assemblages of rocks from various greenschist-facies metamorphic complexes.

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来源期刊

Geochemistry International 地学-地球化学与地球物理

CiteScore

1.60

自引率

12.50%

发文量

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.