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Articles
Zelenski M., Malik N., Taran Yu. Emissions of trace elements during the 2012–2013 effusive eruption of Tolbachik volcano, Kamchatka: enrichment factors, partition coefficients and aerosol contribution // Journal of Volcanology and Geothermal Research. 2014. Vol. 285. P. 136 - 149. doi: 10.1016/j.jvolgeores.2014.08.007.    Annotation
Abstract Gases and aerosols from the 2012–13 effusive eruption of Tolbachik basaltic volcano, Kamchatka, were sampled in February and May, 2013, from a lava tube window located 300 m from the eruptive crater; temperature at the sampling point was 1060–1070 °C. The chemical and isotopic compositions of the sampled gases (92.4 H2O, 3.5 CO2, 2.3 SO2 on average; δD from − 25.0 to − 38.6‰) correspond to a typical volcanic arc gas without dilution by meteoric or hydrothermal water. Halogen contents in the gases (1.37 HCl, 0.5 HF) were higher than average arc values. The total amount of analyzed metallic and metalloid (trace) elements in the gas exceeded 665 ppm. Six most abundant trace elements, K (250 ppm), Na (220 ppm), Si (74 ppm), Br (48 ppm), Cu (21 ppm) and Fe (12 ppm), accounted for 95 of the total content of trace elements in the gas. The gases contained 24 ppb Re, 12 ppb Ag, 4.9 ppb Au and 0.45 ppb Pt. Refractory rock-forming elements (Mg, Al, Ca) and some other elements such as Ba and Th were transported mainly in the form of silicate microspheres and altered rock particles. The concentrations of metals in the eruptive Tolbachik gases are higher than the corresponding concentrations in high-temperature fumaroles worldwide, although the mutual ratios of the elements are approximately the same. The gas/magma partition coefficients of eleven elements exceed unity, including the non-metals F, S, Cl, Br, As, Se and Te and the rare metals Cd, Re, Tl and Bi. Despite the relatively low concentrations of trace elements in the volcanic gases at the highest temperatures, superficial magma degassing provides information on the sources and sinks of metals.
Zharinov N.A., Fedotov S.A., Gorelchik V.I. A Model for Klyuchevskoy Volcano Activity from Geodelical and Seismological Data // Kagoshima International Conference on Volcanoes: Proceedings of the International Conference on Volcanoes, Japan, Kagoshima, 19-23 July 1988. Kagoshima: Kagoshima Prefectural Government. 1988. P. 71-74.
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.
Zharinov N.A., Gorelchik V.I., Zhdanova E.Yu., Andreev V.N., Belousov A.B., Belousova M.G., Gavrilenko V.A., Garbuzova V.T., Demyanchuk Yu.V., Khanzutin V.P. The Eruptions of the Northern Group of Volcanoes on Kamchatka in 1988-1989: Seismological and Geodesic Data // Volcanology and Seismology. 1993. Vol. 13. Vol. 6. P. 649-681.
Zharinov N.A., Zhdanova E.Yu., Belousov A.B., Belousova M.G., Ivanov A.P., Malyshev A.I., Khanzutin V.P. Activity of North Kamchatkan volcanoes in 1985 // Volcanology and Seismology. 1990. Vol. 10. Vol. 3. P. 331-346.
Zubin M.I., Melekestsev I.V., Tarakanovsky A.A., Erlich E.N. Quaternary Calderas of Kamchatka // International Association of Volcanology and Chemistry of the Earth`s Interior. Sumposium on Volcanoes &Their Roots. Oxford: 1969. P. 111-113.
Zubov A.G., Ananyev V.V. Testing of the Titanomagnetite Method to Detect Magmatic Chamber Depth at Avachinsky Stratovolcano and Tolbachik Fissure Eruption // 10th International Conference “PROBLEMS OF GEOCOSMOS”. Book of Abstracts. St. Petersburg, Petrodvorets, October 6-10, 2014. St. Peterburg: Физфак СПбГУ. 2014. P. 81    Annotation
Two volcanoes were tested using the titanomagnetite method in order to detect the magma chamber depth. Curie temperature of andesite tephra shows that the magmatic chamber was situated on the depth of 18±7 km under Avachinsky Volcano ~5 Ka ago, but one of the basalt-andesite tephra from Avachinsky results the chamber depth of 32±6 km ~3 Ka ago. This method applied to the lava from Tolbachik Fissure Eruption (TFE) shows a chamber depth of 47±5 km. This result is inconsistent slightly with the depth of 35±6 km obtained by our microzond analysing of element composition of titanomagnetite grains into lava sample from earlier phase of the same eruption. This two different results between TFE lava samples may occur from magma differentiation or this is a methodical or occasional error. To know true it needs a sample statistics. At present, more microzond data from Tolbachik Fissure Eruption are being analyzed.
Zubov A.G., Kirianov V.Yu., Hughes S.R., Kurbatov A. To use of thermomagnetic parameters to identify tephra // AGU Meeting-99. Abstracts., 1999 г. 1999.    Annotation
О возможности использования термомагнитных параметров для идентификации вулканических пеплов
Абдурахманов А.И., Злобин Т.К., Мархинин Е.К., Тараканов Р.З. Извержение вулкана Иван Грозный в 1989 г. // Вулканология и сейсмология. 1990. № 4. С. 3-9.    Annotation
Современная активность вулкана связана с многоактным центральным эффузивным куполом. На северо-северо-восточной стороне его вершинной части расположен своеобразный кратер, имеющий форму радиальной щели длиной 250—270 м и шириной от 15 до 70 м. Известны слабые фреатические извержения в 1951, 1968, 1970, 1973 гг. Извержение 1989 г. началось 3 мая. Взрывы привели к образованию пепловогазового облака, высота которого 8 мая достигала 1,5 км. Уже при первых взрывах, на северном склоне вулкана возникла новая трещина длиной около 70 м. Извержение предварялось рядом землетрясений под вулканом в полосе, перпендикулярной Курильской островной дуге. По глубине очага землетрясения четко подразделяются на две группы — с глубинами, близкими к 30 км и с глубинами приблизительно 60—80 км. Слой в пределах от 30 до 55—60 км представляется асейсмичным. Это наводит на мысль, что в пределах глубин 30—60 км под вулканом расположен магматический очаг. Можно предполагать, что тектонические подвижки, связанные с поперечным разломом, привели к активизации вулкана. Приведен прогноз активности на ближайшее время.

Recent activity of the volcano is associated with its multiaction central effusion dome. The N—N—E top of this dome has a crater of the specific shape with a radial fissure 250—270 m long and 15—70 m wide. Small phreatic eruptions were noted in 1951, 1968, 1970, and 1973. The eruption of 1989 started on May 3. Explosions produced ash-gas cloud which rose to a height of 1,5 km on May 8. The very first explosions were followed by formation of a new fissure on the northern flank of the volcano, its length being about 70 m. The eruption was preceded by earthquakes which occurred beneath the volcano and were oriented across the strike of the Kuril Island arc. These earthquakes can be subdivided into two groups with focal depths close to 30 km and 60— 80 km. The layer between the depths from 30 to 55—60 km seems to be aseismic indicating that in the depth range of 30—60 km beneath the volcano a magma chamber can be present. It is suggested that current intensified activity of the volcano has been caused by tectonic movements associated with transverse faulting. A sort-term forecast of the volcano activity is presented.
Абдурахманов А.И., Разжигаева Н.Г., Рыбин А.В. Современная вулканическая и сейсмическая активность вулкана Менделеева (о. Кунашир, Курильские острова) // Вестник Сахалинского музея. 2003. Вып. 10. № 1. С. 277-283.