Fluid Inclusion 40Ar/39Ar Dating Technique and Its Applications

被引：5

作者：

Qiu H. ^{[1
]}

Bai X. ^{[1
]}

机构：

[1] Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education, China University of Geosciences, Wuhan

来源：

Diqiu Kexue - Zhongguo Dizhi Daxue Xuebao/Earth Science - Journal of China University of Geosciences | 2019年 / 44卷 / 03期

关键词：

!sup]40[!/sup]Ar/[!sup]39[!/sup]Ar dating; Fluid inclusion; Mineralization age; Petroleum accumulation age;

D O I：

10.3799/dqkx.2019.007

中图分类号：

学科分类号：

摘要：

Various isotope geochronometers have their specific dating objects (minerals or whole rocks) and age ranges. It is difficult to date the ages of hydrothermal deposits. To solve this problem, the 40Ar/39Ar progressive crushing technique to date the ages of fluid inclusions is established. This technique has been improved and developed for thirty years, widely applied to determine the forming ages of hydrothermal deposits, metamorphic rocks and quartz veins, as well as the natural gas fields in deep Songliao Basin. In this article, the experimental techniques of fluid inclusion extraction and gas purification are introduced in detail, followed by the important applications in hydrothermal deposits and gas/oil fields as illustrations of 40Ar/39Ar dating by the stepwise crushing technique. The gas-mixing patterns yielded by crushing are also discussed. © 2019, Editorial Department of Earth Science. All right reserved.

引用

页码：685 / 697

页数：12

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