堪察加克柳切夫斯科伊火山高铝、高镁岩浆混合作用研究

IF 0.7 4区地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS

Journal of Volcanology and Seismology Pub Date : 2023-04-20 DOI:10.1134/S0742046322700051

S. A. Khubunaya, V. S. Khubunaya, A. P. Maksimov

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引用次数: 0

摘要

通过对克柳切夫斯科伊火山岩浆结晶过程中微量元素的地球化学分析和矿物组成分析，发现了中度钾镁质岩浆和高铝岩浆混合的迹象。1938年、1966年、1945年和1994年克柳切夫斯科火山侧面和顶部喷发的镁质玄武岩和高铝玄武岩安山岩中所含的橄榄石和斜辉石中Mg、Fe、Cr、Ni、Co和Al的矿物学特征和分布，都为镁质玄武岩熔体注入高铝岩浆提供了证据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

On the Mixing of High Alumina and High-Magnesium Magmas on Klyuchevskoi Volcano, Kamchatka

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On the Mixing of High Alumina and High-Magnesium Magmas on Klyuchevskoi Volcano, Kamchatka

We have identified signs showing mixing of moderately potassic magnesian and high alumina magmas on Klyuchevskoi Volcano based on the analysis of mineral compositions and the geochemistry of trace elements during crystallization. The mineralogy and distribution of Mg, Fe, Cr, Ni, Co, and Al in olivines and clinopyroxenes which are contained in the magnesian basalts and high alumina basaltic andesites discharged by the flank and summit eruptions of Klyuchevskoi in 1938, 1966, 1945, and 1994, all provide evidence of an injection of magnesian basaltic melts into high alumina magma.

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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.