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Genesis of volatiles in suprasubduction basaltic melts from Tolbachik Volcano, Kamchatka. / Dobretsov, N. L.; Simonov, V. A.; Kotlyarov, A. V. et al.

In: Russian Geology and Geophysics, Vol. 58, No. 8, 01.08.2017, p. 869-886.

Research output: Contribution to journal › Article › peer-review

Harvard

Dobretsov, NL, Simonov, VA, Kotlyarov, AV & Stupakov, SI 2017, 'Genesis of volatiles in suprasubduction basaltic melts from Tolbachik Volcano, Kamchatka', Russian Geology and Geophysics, vol. 58, no. 8, pp. 869-886. https://doi.org/10.1016/j.rgg.2016.09.033

APA

Dobretsov, N. L., Simonov, V. A., Kotlyarov, A. V., & Stupakov, S. I. (2017). Genesis of volatiles in suprasubduction basaltic melts from Tolbachik Volcano, Kamchatka. Russian Geology and Geophysics, 58(8), 869-886. https://doi.org/10.1016/j.rgg.2016.09.033

Vancouver

Dobretsov NL, Simonov VA, Kotlyarov AV, Stupakov SI. Genesis of volatiles in suprasubduction basaltic melts from Tolbachik Volcano, Kamchatka. Russian Geology and Geophysics. 2017 Aug 1;58(8):869-886. doi: 10.1016/j.rgg.2016.09.033

Author

Dobretsov, N. L. ; Simonov, V. A. ; Kotlyarov, A. V. et al. / Genesis of volatiles in suprasubduction basaltic melts from Tolbachik Volcano, Kamchatka. In: Russian Geology and Geophysics. 2017 ; Vol. 58, No. 8. pp. 869-886.

BibTeX

@article{3fba9935835b4fd9a1670ea357f2b306,
title = "Genesis of volatiles in suprasubduction basaltic melts from Tolbachik Volcano, Kamchatka",
abstract = "Vitreous basalts and plagioclase lapilli from Tolbachik Volcano studied by high-temperature gas chromatography reveal features of a fluid regime uncommon to suprasubduction melts. Prominent depletion in volatiles confirms the anomalous behavior of the Tolbachik fluid systems. Vitreous basalts contain minor amounts of water (0.16-0.27 wt.%) and carbon dioxide (95-440 ppm). New data on volatiles in the Tolbachik plagioclase lapilli show very low contents of CO2 and total gas (exclusive of H2O) and enrichment in reduced fluids (CO and CH4) relative to the basalts. In general, analysis of basalts and plagioclase lapilli from different eruptions trace a progressive increase in reduced fluids (CO and CH4) and decrease in CO2 and total gas from past to present events. The concentrations of CO2 decrease, while those of CO and CH4 in basalts and plagioclase lapilli increase systematically with an increase in FeO/MgO ratios and K2O contents in the lavas and in anorthite component in plagioclase.",
keywords = "high-temperature gas chromatography, Kamchatka, suprasubduction basaltic melt, Tolbachik Volcano, volatiles, LAVA, INCLUSIONS, H2O, COMPONENTS, TRACE-ELEMENTS, ARC, MAGMAS, ERUPTION, PETROLOGY, RUSSIA",
author = "Dobretsov, {N. L.} and Simonov, {V. A.} and Kotlyarov, {A. V.} and Stupakov, {S. I.}",
year = "2017",
month = aug,
day = "1",
doi = "10.1016/j.rgg.2016.09.033",
language = "English",
volume = "58",
pages = "869--886",
journal = "Russian Geology and Geophysics",
issn = "1068-7971",
publisher = "Elsevier Science B.V.",
number = "8",

}

RIS

TY - JOUR

T1 - Genesis of volatiles in suprasubduction basaltic melts from Tolbachik Volcano, Kamchatka

AU - Dobretsov, N. L.

AU - Simonov, V. A.

AU - Kotlyarov, A. V.

AU - Stupakov, S. I.

PY - 2017/8/1

Y1 - 2017/8/1

N2 - Vitreous basalts and plagioclase lapilli from Tolbachik Volcano studied by high-temperature gas chromatography reveal features of a fluid regime uncommon to suprasubduction melts. Prominent depletion in volatiles confirms the anomalous behavior of the Tolbachik fluid systems. Vitreous basalts contain minor amounts of water (0.16-0.27 wt.%) and carbon dioxide (95-440 ppm). New data on volatiles in the Tolbachik plagioclase lapilli show very low contents of CO2 and total gas (exclusive of H2O) and enrichment in reduced fluids (CO and CH4) relative to the basalts. In general, analysis of basalts and plagioclase lapilli from different eruptions trace a progressive increase in reduced fluids (CO and CH4) and decrease in CO2 and total gas from past to present events. The concentrations of CO2 decrease, while those of CO and CH4 in basalts and plagioclase lapilli increase systematically with an increase in FeO/MgO ratios and K2O contents in the lavas and in anorthite component in plagioclase.

AB - Vitreous basalts and plagioclase lapilli from Tolbachik Volcano studied by high-temperature gas chromatography reveal features of a fluid regime uncommon to suprasubduction melts. Prominent depletion in volatiles confirms the anomalous behavior of the Tolbachik fluid systems. Vitreous basalts contain minor amounts of water (0.16-0.27 wt.%) and carbon dioxide (95-440 ppm). New data on volatiles in the Tolbachik plagioclase lapilli show very low contents of CO2 and total gas (exclusive of H2O) and enrichment in reduced fluids (CO and CH4) relative to the basalts. In general, analysis of basalts and plagioclase lapilli from different eruptions trace a progressive increase in reduced fluids (CO and CH4) and decrease in CO2 and total gas from past to present events. The concentrations of CO2 decrease, while those of CO and CH4 in basalts and plagioclase lapilli increase systematically with an increase in FeO/MgO ratios and K2O contents in the lavas and in anorthite component in plagioclase.

KW - high-temperature gas chromatography

KW - Kamchatka

KW - suprasubduction basaltic melt

KW - Tolbachik Volcano

KW - volatiles

KW - LAVA

KW - INCLUSIONS

KW - H2O

KW - COMPONENTS

KW - TRACE-ELEMENTS

KW - ARC

KW - MAGMAS

KW - ERUPTION

KW - PETROLOGY

KW - RUSSIA

UR - http://www.scopus.com/inward/record.url?scp=85026871291&partnerID=8YFLogxK

U2 - 10.1016/j.rgg.2016.09.033

DO - 10.1016/j.rgg.2016.09.033

M3 - Article

AN - SCOPUS:85026871291

VL - 58

SP - 869

EP - 886

JO - Russian Geology and Geophysics

JF - Russian Geology and Geophysics

SN - 1068-7971

IS - 8

ER -

ID: 9966001