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Kirianov V.Yu., Solovieva N.A. Lateral variations in ash composition due to Eolian differentiation // Volcanology and Seismology. 1991. Vol. 12. № 4. P. 431-442.
Naboko S.I., Glavatskikh S.F. The Behaviour of Cu, Zn, and Pb in Modern Volcanic Processes: Implications for the Genesis of Sulphide Deposits // Volcanology and Seismology. 1991. Vol. 12. № 2. P. 214-240.
Taran Yu.A., Rozhkov A.M., Serafimova E.K., Esikov A.D. Chemical and isotopic composition of magmatic gases from the 1988 eruption of Klyuchevskoy volcano, Kamchatka // Journal of Volcanology and Geothermal Research. 1991. Vol. 46. № 3–4. P. 255 - 263. doi: 10.1016/0377-0273(91)90087-G.
Gas samples have been collected at the place of magma effusion during the 1988 flank eruption of Klyuchevskoy, for the first time in the course of studies at this volcano. The high-temperature gases (1000–1100°C) are rich in water and halogens but depleted in sulphur. Their molar composition is close to chemical equilibrium at the collection temperature, while their oxidation state corresponds to redox conditions between FMO and NNO buffers. The isotopic composition of the water (δD = −71 to −44‰; δ18O = +6.3 to +8.4‰, versus SMOW) plots within the field of “primary magmatic” waters. The isotopic composition of H2 (δD = −187‰ to −160‰) is consistent with isotopic equilibrium between H2 and H2O in the conditions of emission. Both the chemistry of the gases and the low δ13C of carbon dioxide (−11.6‰, PDB) suggest extensive magma outgassing occurred during the course of the eruption.
Tokarev P.I. Dynamics and Large Deformations of Volcanoes // Volcanology and Seismology. 1991. Vol. 12. № 2. P. 241-259.
Zharinov N.A., Gorelchik V.I., Belousov A.B., Belousova M.G., Garbuzova V.T., Demyanchuk Yu.V., Zhdanova E.Yu. Volcanic eruptions and seismic activity at Klyuchevskoi, Bezymiannyi and Shiveluch in 1986-1987 // Volcanology and Seismology. 1991. Vol. 12. Vol. 3. P. 327-345.
Балуев Э.Ю. Петрология Карымского вулканического центра (Восточная Камчатка). 1991. Автореф. дисс. канд. геол.-мин. наук.
Богоявленская Г.Е., Брайцева О.А., Мелекесцев И.В., Максимов А.П., Иванов Б.В. Вулкан Безымянный / Действующие вулканы Камчатки. В 2-х т. Т. 1. М.: Наука. 1991. С. 168-194.
Бондаренко В.И. Сейсмоакустические исследования кальдеры Львиная Пасть // Вулканология и сейсмология. 1991. № 4. С. 44-53.
Брайцева О.А., Флоренский И.В., Волынец О.Н. Вулкан Кихпиныч / Действующие вулканы Камчатки. В 2-х т. Т. 2. М.: Наука. 1991. С. 74-94.
Важеевская А.А., Литасов Н.Е., Кожемяка Н.Н. Вулкан Комарова / Действующие вулканы Камчатки. В 2-х т. Т. 2. М.: Наука. 1991. С. 42-49.