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Men'shii Brat

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Journal Article

Hydrocarbons in Magmatic Fluid in Phenocrysts of Eruption Products of the Men’shii Brat Volcano (Iturup Island): Data from Pyrolysis-Free Gas Chromatography–Mass Spectrometry of Melt and Fluid Inclusions

I.R. Nizametdinov, D.V. Kuzmin, S.Z. Smirnov, T.A. Bul’bak, A.A. Tomilenko, I.A. Maksimovich, A.A. Kotov
Published: 01 August 2022
Russ. Geol. Geophys. (2022) 63 (8): 890–900.
DOI: https://doi.org/10.2113/RGG20214415
...I.R. Nizametdinov; D.V. Kuzmin; S.Z. Smirnov; T.A. Bul’bak; A.A. Tomilenko; I.A. Maksimovich; A.A. Kotov Abstract —Pyrolysis-free gas chromatography–mass spectrometry was used to determine the gas phase composition of inclusions in phenocrysts from basalts and rhyolites of the Men’shii Brat Volcano...
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Includes: Supplemental Content
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The Medvezh’ya caldera: a , location map; b , scheme of the geologic stru...

The Medvezh’ya caldera: a , location map; b , scheme of the geologic stru...

Published: 01 August 2022
, photo of the syncaldera dome and lava flow of the Vostok crater of Men’shii Brat Volcano.
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Concentrations of hydrocarbons in plagioclase ( 1 ) and olivine ( 2 ) pheno...

Concentrations of hydrocarbons in plagioclase ( 1 ) and olivine ( 2 ) pheno...

Published: 01 August 2022
Fig. 4. Concentrations of hydrocarbons in plagioclase ( 1 ) and olivine ( 2 ) phenocrysts from basalts and quartz ( 3 ), clinopyroxene ( 4 ), and orthopyroxene ( 5 ) from rhyolites of Men’shii Brat Volcano: a , major organic compounds; b , aliphatic compounds; c , oxygenated compounds.
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Contents (mol.%) of volatile components of the gas phase of fluid and melt ...

Contents (mol.%) of volatile components of the gas phase of fluid and melt ...

Published: 01 August 2022
Fig. 3. Contents (mol.%) of volatile components of the gas phase of fluid and melt inclusions in phenocrysts of Men’shii Brat Volcano, Iturup Island, basalts and rhyolites: 1 , all hydrocarbon compounds; 2 , H 2 O; 3 , CO 2 ; 4 , sulfonated compounds; 5 , others.
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Ratios (at.%) of oxygen, carbon, and hydrogen in the bulk composition of th...

Ratios (at.%) of oxygen, carbon, and hydrogen in the bulk composition of th...

Published: 01 August 2022
Fig. 5. Ratios (at.%) of oxygen, carbon, and hydrogen in the bulk composition of the gas phase of fluid and melt inclusions in plagioclase ( 1 ) and olivine ( 2 ) phenocrysts from basalts and quartz ( 3 ), clinopyroxene ( 4 ) and orthopyroxene ( 5 ) from rhyolites of Men’shii Brat Volcano
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Photomicrographs of primary melt and fluid inclusions in phenocrysts of Men...

Photomicrographs of primary melt and fluid inclusions in phenocrysts of Men...

Published: 01 August 2022
Fig. 2. Photomicrographs of primary melt and fluid inclusions in phenocrysts of Men’shii Brat Volcano basalts: a , series of glassy melt inclusions and fluid inclusions in plagioclase from basalts; b , series of partly crystallized melt inclusions in olivine from basalts. Primary melt