晚新生代南贝加尔湖火山区和康艾火山区南部氦同位素组成

IF 0.7 4区地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS

Journal of Volcanology and Seismology Pub Date : 2023-08-22 DOI:10.1134/S0742046323700227

K. M. Rychkova, O. I. Kalnaya

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引用次数: 0

摘要

本文研究了晚新生代南贝加尔湖火山区(SBVA)和南康艾火山区(SKhVA)地下水中氦(3Не/4Не = R)的同位素组成。我们发现了该参数的行为和值的差异。研究发现，南、南、南两组氦同位素组成不同的地幔储层导致了其3Не/4Не浓度的差异。这证实了晚新生代SBVA和SKhVA的火山活动受与中亚热地幔场地幔柱有关的地幔源控制。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

The Isotope Composition of Helium in the Late Cenozoic Southern Baikal Volcanic Area and Southern Khangai Volcanic Area

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The Isotope Composition of Helium in the Late Cenozoic Southern Baikal Volcanic Area and Southern Khangai Volcanic Area

This paper deals with the isotope composition of helium (³Не/⁴Не = R) in the groundwater of the Southern Baikal volcanic area (SBVA) and Southern Khangai volcanic area (SKhVA) during the Late Cenozoic Period. We have found differences in the behavior and value of that parameter. It was found that the differences in the concentrations of ³Не/⁴Не in the SBVA and the SKhVA resulted from mantle reservoirs that have different isotope compositions of helium. This confirms that the Late Cenozoic volcanism in the SBVA and SKhVA is controlled by mantle sources related to mantle plumes of the Central Asian hot mantle field.

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来源期刊

Journal of Volcanology and Seismology 地学-地球化学与地球物理

CiteScore

1.50

自引率

28.60%

发文量

审稿时长

>12 weeks

期刊介绍： Journal of Volcanology and Seismology publishes theoretical and experimental studies, communications, and reports on volcanic, seismic, geodynamic, and magmatic processes occurring in the areas of island arcs and other active regions of the Earth. In particular, the journal looks at present-day land and submarine volcanic activity; Neogene–Quaternary volcanism; mechanisms of plutonic activity; the geochemistry of volcanic and postvolcanic processes; geothermal systems in volcanic regions; and seismological monitoring. In addition, the journal surveys earthquakes, volcanic eruptions, and techniques for predicting them.