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Records: 2737
 2010
Федотов С.А., Жаринов Н.А., Гонтовая Л.И. Магматическая питающая система Ключевской группы вулканов (Камчатка) по данным об её извержениях, землетрясениях, деформациях и глубинном строении // Вулканология и сейсмология. 2010. № 1. С. 3-35.
   Annotation
Abstract-The study of magmatic plumbing systems of volcanoes (roots of volcanoes) is one of the main tasks facing volcanology. One major object of this research is the Klyuchevskaya group of volcanoes (KGV), in Kamchatka, which is the greatest such group that has been found at any island arc and subduction zone. We summarize the comprehensive research that has been conducted there since 1931. Several conspicuous results derived since the 1960s have been reported, emerging from the study of magma sources, eruptions, earthquakes, deformation, and the deep structure for the KGV. Our discussion of these subjects incorporates the data of physical volcanology relating to the mechanism of volcanic activity and data from petrology as to magma generation. The following five parts can be distinguished in the KGV plumbing system and the associated geophysical model: the source of energy and material at the top of the Pacific Benioff zone at a depth of about 160 km, the region of magma ascent in the asthenosphere. the region of magma storage in the crust-mantle layer at depths of 40-25 km,
magma chambers and channelways in the crust, and the bases of volcanic edifices. We discuss and explain the properties of and the relationships between these parts and the mechanisms of volcanic activity and of the KGV plumbing system as they exist today. Methods for calculating magma chambers and conduits, the amount of magma in the system, and its other properties are available.
Федотов С.А., Жаринов Н.А., Гонтовая Л.И. Магматическая питающая система Ключевской группы вулканов по данным об её извержениях, деформациях, землетрясениях и сейсмотомографии // Материалы Всероссийской конференции, посвященной 75-летию Камчатской вулканологической станции, Петропавловск-Камчатский, 9-15 сентября 2010 г. 2010. С. 87-91.
Чурикова Т.Г., Гордейчик Б.Н., Иванов Б.В., Максимов А.П. Некоторые аспекты геологического строения вулкана Камень // Материалы Всероссийской конференции, посвященной 75-летию Камчатской вулканологической станции, Петропавловск-Камчатский, 9-15 сентября 2010 г. Петропавловск-Камчатский: ИВиС ДВО РАН. 2010. С. 100-104.
Чурикова Т.Г., Гордейчик Б.Н., Иванов Б.В., Максимов А.П. Петролого-геохимическое сравнение пород вулкана Камень и соседних вулканов Ключевской группы // Магматизм и метаморфизм в истории Земли. XI Всероссийское петрографическое совещание. Екатеринбург: Институт геологии и геохимии УрО РАН. 2010. Т. 2. С. 326-327.
Эрлих Э.Н. Современная структура и четвертичный вулканизм западной части тихоокеанского кольца. 2010.
   Annotation
Читателю представляется интернет-версия книги автора о соотношении современной структуры и четвертичного вулканизма западной части Тихоокеанского кольца.
Книга в ее настоящем виде обращена к самому широкому кругу читателей-геологов, особенно к молодежи и тем, кто работает в области соотношения магматизма и тектоники
 2009
Auer Sara, Bindeman Ilya, Wallace Paul, Ponomareva Vera, Portnyagin Maxim The origin of hydrous, high-δ18O voluminous volcanism: diverse oxygen isotope values and high magmatic water contents within the volcanic record of Klyuchevskoy volcano, Kamchatka, Russia // Contributions to Mineralogy and Petrology. 2009. Vol. 157. № 2. P. 209-230. doi:10.1007/s00410-008-0330-0.
   Annotation
Klyuchevskoy volcano, in Kamchatka’s subduction zone, is one of the most active arc volcanoes in the world and contains some of the highest δ18O values for olivines and basalts. We present an oxygen isotope and melt inclusion study of olivine phenocrysts in conjunction with major and trace element analyses of 14C- and tephrochronologically-dated tephra layers and lavas spanning the eruptive history of Klyuchevskoy. Whole-rock and groundmass analyses of tephra layers and lava samples demonstrate that both high-Mg (7–12.5 wt% MgO) and high-Al (17–19 wt% Al2O3, 3–6.5 wt% MgO) basalt and basaltic andesite erupted coevally from the central vent and flank cones. Individual and bulk olivine δ18O range from normal MORB values of 5.1‰ to values as high as 7.6‰. Likewise, tephra and lava matrix glass have high-δ18O values of 5.8–8.1‰. High-Al basalts dominate volumetrically in Klyuchevskoy’s volcanic record and are mostly high in δ18O. High-δ18O olivines and more normal-δ18O olivines occur in both high-Mg and high-Al samples. Most olivines in either high-Al or high-Mg basalts are not in oxygen isotopic equilibrium with their host glasses, and Δ18Oolivine–glass values are out of equilibrium by up to 1.5‰. Olivines are also out of Fe–Mg equilibrium with the host glasses, but to a lesser extent. Water concentrations in olivine-hosted melt inclusions from five tephra samples range from 0.4 to 7.1 wt%. Melt inclusion CO2 concentrations vary from below detection (<50 ppm) to 1,900 ppm. These values indicate depths of crystallization up to ~17 km (5 kbar). The variable H2O and CO2 concentrations likely reflect crystallization of olivine and entrapment of inclusions in ascending and degassing magma. Oxygen isotope and Fe–Mg disequilibria together with melt inclusion data indicate that olivine was mixed and recycled between high-Al and high-Mg basaltic melts and cumulates, and Fe–Mg and δ18O re-equilibration processes were incomplete. Major and trace elements in the variably high-δ18O olivines suggest a peridotite source for the parental magmas. Voluminous, highest in the world with respect to δ18O, and hydrous basic volcanism in Klyuchevskoy and other Central Kamchatka depression volcanoes is explained by a model in which the ascending primitive melts that resulted from the hydrous melt fluxing of mantle wedge peridotite, interacted with the shallow high-δ18O lithospheric mantle that had been extensively hydrated during earlier times when it was part of the Kamchatka forearc. Following accretion of the Eastern Peninsula terrains several million years ago, a trench jump eastward caused the old forearc mantle to be beneath the presently active arc. Variable interaction of ascending flux-melting-derived melts with this older, high-δ18O lithospheric mantle has produced mafic parental magmas with a spectrum of δ18O values. Differentiation of the higher δ18O parental magmas has created the volumetrically dominant high-Al basalt series. Both basalt types incessantly rise and mix between themselves and with variable in δ18O cumulates within dynamic Klyuchevskoy magma plumbing system, causing biannual eruptions and heterogeneous magma products.
Churikova T., Gordeychik B., Wörner G., Ivanov B., Maximov A. Mineralogy and petrology of Kamen volcano rocks, Kamchatka // Mitigating natural hazards in active arc environments. Linkages among tectonism, earthquakes, magma genesis and eruption in volcanic arcs, with a special focus on hazards posed by arc volcanism and great earthquakes. June 22-26, 2009, Fairbanks, Alaska. 2009. P. 117-118.
Gavrilenko M., Ozerov A. Evolution of the magmatic melts at Gorely volcano (Kamchatka) // 2009 Portland Geological Society of America Annual Meeting (18-21 October 2009). Abstracts with Programs. 2009. Vol. 41. № 7. P. 645
Gavrilenko M., Ozerov A. High-Magnesia Basalts – Source of Calc-Alkaline Series of Gorely Volcano (Kamchatka) // 6th Biennial Workshop on Japan-Kamchatka-Alaska Subduction Processes (JKASP-2009). Fairbanks, Alaska (USA). June 22-26, 2009. 2009.
Girina O.A., Carter A.J. 2006-2008 Eruptions of Bezymianny Volcano // Mitigating natural hazards in active arc environments. Abstracts. 6rd Biennial Workshop on Japan- Kamchatka-Alaska Subduction Processes (JKASP-2009). Fairbanks. June 22-26. 2009. С. 75