Formation Conditions of Quartz‒Lazulite Mineralization of Mount Chernaya, Subpolar Urals: Evidence from Study of Fluid Inclusions

被引：0

作者：

N. V. Sokerina

N. Yu. Nikulova

M. Yu. Sokerin

S. I. Isaenko

S. O. Zorina

机构：

[1] N.P. Yushkin Institute of Geology,

[2] Komi Scientific Center,undefined

[3] Ural Branch,undefined

[4] Russian Academy of Sciences,undefined

[5] Kazan (Volga Region) Federal University,undefined

来源：

Geochemistry International | 2022年 / 60卷

关键词：

lazulite; hematite; quartz; fluid inclusions; formation conditions;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Fluid inclusions in quartz and lazulite (Mg,Fe2+)Al2(OH,PO4)2 were studied for the first time in the quartz‒lazulite‒hematite-tourmaline veins of Mt. Chernaya, the Nether-Polar Urals. It was found that they are very similar. Homogenization of the most inclusions occurs at 155‒220°C in lazulite and at 147‒235°C in quartz; and salinity varies between 12.5‒15.0 and 10.7‒15.7 wt % NaCl eq., respectively. The eutectic temperature of the water‒salt solution in both cases ranges within ‒31 … ‒40°C, which indicates the presence of magnesium, sodium, and iron salts in the mineral-forming fluid. The gas phase of fluid inclusions is represented by carbon dioxide and nitrogen in approximately equal proportions.

引用

页码：905 / 909

页数：4

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