电邮这篇文章 Features of crystallization of andesite melt at moderate hydrogen pressures (experimental study)
- 作者: Persikov E.S.1, Bukhtiyarov P.G.1, Shaposhnikova O.Y.1, Aranovich L.Y.2, Nekrasov A.N.1
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隶属关系:
- Institute of Experimental Mineralogy of the Russian Academy of Sciences
- Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry of the Russian Academy of Sciences
- 期: 卷 69, 编号 4 (2024)
- 页面: 363-369
- 栏目: Articles
- URL: https://journal-vniispk.ru/0016-7525/article/view/263779
- DOI: https://doi.org/10.31857/S0016752524040047
- EDN: https://elibrary.ru/KLMGXF
- ID: 263779
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详细
Important problems of magma differentiation, formation of native metals and ore formation processes in the earth's crust are increasingly associated with the active participation of hydrogen. In this paper, new experimental data on the crystallization of andesite melts at high temperatures (900–1250°C) and hydrogen pressures (10–100 MPa) have been obtained, which clarify the possible role of hydrogen in the processes occurring in andesite melts in the earthʼs crust and during volcanism under strongly reduced conditions (f(O2) = 10–17–10–18). In crystallization experiments, it was found that the crystal compositions (pyroxenes and plagioclases) formed in experiments on crystallization of andesite melt under hydrogen pressure closely correspond to the crystal compositions of lava flows of Avacha volcano in Kamchatka. This result can be considered as an experimental confirmation of the participation of hydrogen in the volcanic process.
作者简介
E. Persikov
Institute of Experimental Mineralogy of the Russian Academy of Sciences
编辑信件的主要联系方式.
Email: persikov@iem.ac.ru
俄罗斯联邦, Academician Osipyan st., Chernogolovka, 4, 142432
P. Bukhtiyarov
Institute of Experimental Mineralogy of the Russian Academy of Sciences
Email: pavel@iem.ac.ru
俄罗斯联邦, Academician Osipyan st., Chernogolovka, 4, 142432
O. Shaposhnikova
Institute of Experimental Mineralogy of the Russian Academy of Sciences
Email: zakrev@iem.ac.ru
俄罗斯联邦, Academician Osipyan st., Chernogolovka, 4, 142432
L. Aranovich
Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry of the Russian Academy of Sciences
Email: lyaranov@igem.ru
俄罗斯联邦, Staromonetny lane, 35, Moscow, 119017
A. Nekrasov
Institute of Experimental Mineralogy of the Russian Academy of Sciences
Email: alex@iem.ac.ru
俄罗斯联邦, Academician Osipyan st., Chernogolovka, 4, 142432
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