2022年冰岛西南部Fagradalsfjall大火Meradalir喷发橄榄石中的微量元素组成（短通讯）

IF 0.5 Q4 ECOLOGY

Czech Polar Reports Pub Date : 2023-02-19 DOI:10.5817/cpr2022-2-16

L. Krmíček, V. Troll, M. Vašinová Galiová, T. Thordarson, M. Brabec

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引用次数: 0

摘要

本研究的重点是确定2021年Fagradalsfjall大火2022年Meradalir喷发期间在冰岛采样的橄榄石拉斑玄武岩中橄榄石的微量元素组成。Meradalir橄榄石的化学性质是火山成因的特征，其中橄榄石晶体代表结晶的产物。Meradalir玄武岩岩浆中的橄榄石属于主要橄榄岩地幔源熔融的区域特征。然而，数据显示，2022年的Meradalir橄榄石是由成分上比2021年Fagradalsfjall大火Geldingadalir喷发的橄榄石更进化的岩浆结晶而成。

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Trace element composition in olivine from the 2022 Meradalir eruption of the Fagradalsfjall Fires, SW-Iceland (Short Communication)

This study focuses on determining the trace element composition in olivine from olivine tholeiitic basalts sampled in Iceland during the 2022 Meradalir eruption of the 2021-ongoing Fagradalsfjall Fires. The chemistry of Meradalir olivine is characteristic for a volcanic origin where olivine crystals represent the product of crystallisation. Olivine from the Meradalir basalt magma falls within the field characteristic for the melting of a dominantly peridotitic mantle source. However, the data show that the 2022 Meradalir olivine crystalized from a compositionally more evolved magma than olivine from the preceding 2021 Geldingadalir eruption of the Fagradalsfjall Fires.

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来源期刊

Czech Polar Reports Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)

CiteScore

1.30

自引率

10.00%

发文量

期刊介绍： Czech Polar Reports is an international, multidisciplinary, peer-reviewed journal. It is issued 2 times a year. The journal is dedicated to provide original research papers for sciences related to the polar regions and other planets with polar analogues. Czech Polar Reports covers the disciplines listed below. polar paleontology, geology, geochemistry, geomorphology, glaciology, climatology, hydrology, pedology, biochemistry, ecology, environmental science, microbiology, plant and animal biology including marine biology.