On the Separation Efficiency of Entrapped and in situ-Produced Noble Gas Components at Sample Crushing in Vacuum

被引：9
作者：
Buikin, A. I. [1 ]
Kamaleeva, A. I. [2 ]
Sorokhtina, N. V. [1 ]
机构：
[1] Russian Acad Sci, Vernadsky Inst Geochem & Analyt Chem GEOKHI, Moscow 119991, Russia
[2] Kazan Volga Fed Univ, Inst Geol & Petr Technol, Kazan 420008, Russia
来源：
GEOCHEMISTRY INTERNATIONAL | 2018年 / 56卷 / 06期
基金：
俄罗斯科学基金会; 俄罗斯基础研究基金会;
关键词：
He; Ne and Ar isotopes; fluid inclusions; in-vacuum crushing; fluid sources; SUBCONTINENTAL LITHOSPHERIC MANTLE; RED-SEA REGION; FLUID INCLUSIONS; ISOTOPIC COMPOSITION; KOLA-PENINSULA; AR; CARBONATITES; HE; VOLATILES; GLASSES;
D O I：
10.1134/S0016702918060022
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The paper discusses specifics of gas separation techniques by means of sample crushing in vacuum, and, in particular, the stepwise crushing method for studying the sources and evolution of the fluid phase of rocks and minerals. The data on the Seblyavr massif, Kola Peninsula, are employed to demonstrate that, if the age of the minerals is old enough and they contain elevated concentrations of parental elements (U, Th, and K), in situ produced noble gas components can strongly distort the composition of the initially entrapped gases and thus result in misinterpretations of the analytical data. The application of stepwise crushing technique, as well as an individualized approach to data interpretation for each of the samples, makes it possible to solve the problem.
引用
收藏
页码：601 / 607
页数：7
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