Browsing Институт вулканологии и сейсмологии ДВО РАН by Subject "Авачинский"
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Browsing Институт вулканологии и сейсмологии ДВО РАН by Subject "Авачинский"
Now showing items 1-20 of 146
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(U.S. Department of the Interior. USGS, 2004)
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(2001)The remote sub-arctic wilderness of Kamchatka contains a line of active volcanoes above the Pacific Ocean plate subduction zone. This guide is based on the itinerary of the 1999 GA excursion to sites around Petropavlovsk. ...
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(2013)Abstract We provide results of a detailed study of the first peridotite xenoliths of proven mantle origin reported from Bezymyanny volcano in the Klyuchevskoy Group, northern Kamchatka arc. The xenoliths are coarse spinel ...
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(2014)Avacha group includes two active and potentially dangerous volcanoes, Avachinsky and Koryaksky, located close to Petropavlovsk-Kamchatsky, the main city of Kamchatka. We present the results of two independent seismic studies ...
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(2011)Kamchatka Peninsula is one of the most active volcanic regions in the world. Many Holocene explosive eruptions have resulted in widespread dispersal of tephra-fall deposits. The largest layers have been mapped and dated ...
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(2009)Silicate glasses in peridotite xenoliths from Avacha volcano have high SiO2 (up to 72 wt.) and highly SiO2-oversaturated characteristics; normative quartz content is up to 50 wt.. The glasses represent secondary melts ...
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(1994)Some of the previous views on the style of the Avacha eruptions during 1737-1909 are revised on the basis of new data obtained by the authors. The types of eruptions, their geological and geomorphological effects, and the ...
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(1994)Previous data are summarized and new evidence is presented on the Avacha eruptions of 1926-1927, 1938, and 1945. The last eruption of January 1991 is described. The dynamics of the Avacha eruptive activity is considered ...
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(1996)Remnants of five catastrophic lahars have been discovered, described, and dated by the carbon-14 method. They occurred during eruptions of Avacha (violent explosions with voluminous juvenile pyroclastics) and Koryakskiy ...
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(Institute of Volcanology and Seismology FEB RAS, 2002)
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(1998)The chronology, dynamics, and parameters of seven large eruptions of Avacha Volcano were reconstructed for its IAv andesitic period 7250-370014C years B.P., which began after a >2000-year period of relative quiescence. ...
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(2012)Textural and compositional features of plagioclase phenocrysts of the 1991 eruption lavas at Avachinsky Volcano (Kamchatka, Russia) were used to investigate the feeding system processes. Volcanics are porphyritic basaltic ...
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(2017)An analysis of local seismicity within the Avacha–Koryakskii Volcanic Cluster during the 2000–2016 period revealed a sequence of plane-oriented earthquake clusters that we interpret as a process of dike and sill emplacement. ...
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(2009)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 ...
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(1976)The sources of geothermal energy of Kamchatka are hydrothermal systems, local blocks of high heated rocks, and peripheral magma chambers of active volcanoes in particular. According to gravimetric, magnetic and seismic ...
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(2007)The results of geological and geophysical studies, including recent ones, which make it possible to verify the existence of a liquid magma chamber below the Avachinsky volcano on Kamchatka, and to estimate the chamber depth ...
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(Buchdruckerei der Kaiserlichen Academie der Wissenschaften, 1890)Der Geologe Karl von Ditmar erkundete von 1851 bis 1855 im Auftrag der russischen Regierung die Bodenschätze Kamčatkas. Dabei erforschte er das Land und seine Bevölkerung aber weit über diesen Autrag hinaus, was seine ...
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(Buchdruckerei der Kaiserlichen Academie der Wissenschaften, 1900)Der Geologe Karl von Ditmar erkundete von 1851 bis 1855 im Auftrag der russischen Regierung die Bodenschätze Kamčatkas. Dabei erforschte er das Land und seine Bevölkerung aber weit über diesen Autrag hinaus, was seine ...
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(2011)Distal volcanic tephras in soil sections and lake sediments in the Dvuh-yurtochnoe (Two-Yurts) lake area, central Kamchatka, were investigated in order to provide a chronological framework for the reconstruction of late ...
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(Физфак СПбГУ, 2014)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 ...
Now showing items 1-20 of 146