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Records: 2741
 M
Marekanitic-rhyolitic complex of the Okhotsk coast (north-east of the USSR) (1967)
Rudich K.N. Marekanitic-rhyolitic complex of the Okhotsk coast (north-east of the USSR) // Bulletin Volcanologique. 1967. Vol. 30. Vol. 1. P. 123-128. 6 p. doi:10.1007/BF02597662.
Mass balance and thermal regime of a crater glacier at Ushkovskii volcano (1990)
Muravyev Y.D., Salamatin A.N. Mass balance and thermal regime of a crater glacier at Ushkovskii volcano // Volcanology and Seismology. 1990. Vol. 11. № 3. P. 411-424.
   Annotation
Построена теплофизическая модель стационарного состояния ледника в активном кратере Ушковского вулкана. Анализ составляющих баланса массы льда показал повышенный геотермический поток (среднее значение 10 Вт/м¤) в пределах вершинного конуса и слабую его изменчивость за последние 40 лет. По измеренной скорости аккумуляции и распределению температуры в снежнофирновой скорости аккумуляции и распределению температуры в снежно-фирновой толще в центре кратера Горшкова предполагается существование значительного поднятия (вложенного малого кратера), перекрытого ледником.
Полученные расчетные формулы помогут оценить параметры критических состояний нестационарных ледяных масс на склонах Ключевского вулкана.
Mechanical properties of lava extruded in the 1983 Predskazanny eruption (Klyuchevskoi volcano) (1988)
Panov V.K., Slezin Yu.B., Storcheus A.V. Mechanical properties of lava extruded in the 1983 Predskazanny eruption (Klyuchevskoi volcano) // Volcanology and Seismology. 1988. Vol. 7. P. 25-37.
Mechanism of magma ascent and deep feeding channels of island arc volcanoes (1975)
Fedotov S.A. Mechanism of magma ascent and deep feeding channels of island arc volcanoes // Bulletin Volcanologique. 1975. Vol. 39. Vol. 2. P. 241-254. doi: 10.1007/BF02597830.
   Annotation
The paper discusses the mechanism of deep magma activity beneath island are volcanoes and similar structures on the basis of data from geophysical investigations in Kamchatka; the analyses of forces that cause the ascent of magma; and related phenomena that are due to hydrostatic forces.
It is shown that the ascent of magma through the astnenosphere occurs most likely in magma columns with a diameter of approximately 700–2,000 m and with a velocity of about 0.8–3 m/year. A regular line of such columns spaced in Kamchatka at a distance of about 30 km gives rise to a chain of separate Etrge volcanoes or volcanic centers.
Ultrabasic magmas are most likely accumulated near the M discontinuity, whereas the apparent place of andesitic magma accumulation is in the earth’s crust near the boundary between the basement and sediments.
Mechanism of the historical and the ongoing Vulcanian eruptions of Ebeko volcano, Northern Kuriles (2021)
Belousov Alexander, Belousova Marina, Auer Andreas, Walter Thomas R., Kotenko Tatiana Mechanism of the historical and the ongoing Vulcanian eruptions of Ebeko volcano, Northern Kuriles // Bulletin of Volcanology. 2021. Vol. 83. № 4. P. 1-24. doi: 10.1007/s00445-020-01426-z.
Mechanism of volcanic earthquakes of the Sheveluch volcano, Kamchatka (1971)
Zobin V.M. Mechanism of volcanic earthquakes of the Sheveluch volcano, Kamchatka // Bulletin Volcanologique. 1971. Vol. 35. Vol. 1. P. 225-229. 5 p. doi:10.1007/BF02596819.
Melted xenoliths of intrusive rocks in the pyroclastic deposits of the Uzon and Semyatchinskaya ring structures (Kamchatka) (1972)
Bogoyavlenskaya G.E. Melted xenoliths of intrusive rocks in the pyroclastic deposits of the Uzon and Semyatchinskaya ring structures (Kamchatka) // Bulletin Volcanologique. 1972. Vol. 36. Vol. 3. P. 443-445. 3 p. doi:10.1007/BF02597119.
Mercury (Hg) in the near-ground atmosphere of active volcanic edifices in Kamchatka (2008)
Ozerova N., Ozerov A. Mercury (Hg) in the near-ground atmosphere of active volcanic edifices in Kamchatka // 33rd International Geological Congress. Oslo, Norway. Abstracts. 2008.
Mercury in vapor-gas fumarole jets and products of their sedimentation at the Mutnovsky volcano (2011)
Ozerova N.A., Ozerov A.Yu. Mercury in vapor-gas fumarole jets and products of their sedimentation at the Mutnovsky volcano // Commission on the chemistry of volcanic gases (CCVG) - IAVCEI. 11th Gas Workshop, Kamchatka, Russia. 1-10 September 2011. 2011. P. 36
Metal-saturated peridotite in the mantle wedge inferred from metal-bearing peridotite xenoliths from Avacha volcano, Kamchatka (2009)
Ishimaru Satoko, Arai Shoji, Shukuno Hiroshi Metal-saturated peridotite in the mantle wedge inferred from metal-bearing peridotite xenoliths from Avacha volcano, Kamchatka // Earth and Planetary Science Letters. 2009. Vol. 284. № 3–4. P. 352 - 360. doi: 10.1016/j.epsl.2009.04.042.
   Annotation
Lithospheric mantle is inferred to be more oxidized than the asthenosphere, and mantle-wedge peridotites are characterized by high oxidation state relative to abyssal and continental peridotites due to addition of slab-derived fluids or melts. We found metals (native Ni, Fe silicides, native Fe and possible native Ti) from otherwise oxidized sub-arc mantle peridotite xenoliths from Avacha volcano, Kamchatka. This is contrary to the consensus and experimental results that the metals are stable only in deeper parts of the mantle (> 250 km). The metals from Avacha are different in chemistry and petrography from those in serpentinized peridotites. The Avacha metals are characteristically out of chemical equilibrium between individual grains as well as with surrounding peridotite minerals. This indicates their independent formation from different fluids. Some of the Avacha metals form inclusion trails with fluids and pyroxenes, leading to the inference that very local metal saturation resulted from rapid supply (‘flashing’) of reducing fluids from deeper levels. The fluids, possibly rich in H2, are formed by serpentinization at the cold base of the mantle wedge just above the slab, and they reduce overlying peridotites. We propose a metal-saturated peridotite layer, underlying the main oxidized portion, within the mantle wedge beneath the volcanic front to fore-arc region.