Decoding crystal fractionation in calc-alkaline magmas from the Bezymianny Volcano (Kamchatka, Russia) using mineral and bulk rock compositions
نویسندگان
چکیده
منابع مشابه
Explosions and periodic tremor at Karymsky volcano, Kamchatka, Russia
Jonathan M. Lees,1 Evgenii I. Gordeev2 and Maurizio Ripepe3 1University of North Carolina, Department of Geological Sciences, CB#3315, Mitchell Hall, Chapel Hill, NC 27599-3315, USA. E-mail: [email protected] 2Geophysical Services, Russian Academy of Science, Petropavlovsk-Kamchatsky, Russia. E-mail: [email protected] 3Dipartimento di Scienze della Terrra, Universita’ di Firenze, via LaPira,...
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A model is proposed to explain temporal patterns of activity in a class of periodically exploding Stromboliantype andesite volcanoes. These patterns include major events (explosions) which occur every 3^30 min and subsequent tremor with a typical period of 1 s. This two-periodic activity is thought to be caused by two distinct mechanisms of accumulation of the elastic energy in the moving magma...
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پس ازفروپاشی شوروی،رشد منابع نفت و گاز، آسیای میانه و قفقاز را در یک بازی ژئوپلتیکی انرژی قرار داده است. با در نظر گرفتن این منابع هیدروکربنی، این منطقه به یک میدانجنگ و رقابت تجاری برای بازی های ژئوپلتیکی قدرت های بزرگ جهانی تبدیل شده است. روسیه منطقه را به عنوان حیات خلوت خود تلقی نموده و علاقمند به حفظ حضورش می باشد تا همانند گذشته گاز طبیعی را به وسیله خط لوله مرکزی دریافت و به عنوان یک واس...
15 صفحه اولHydrogeochemistry of Thermal Sources, Mutnovsky Volcano, South Kamchatka (russia)
In this paper the investigation results of thermal springs of the Mutnovsky Volcano (Kamchatka, Russia) are provided. Mud pots in the Donnoe Field of this volcano have a unique solution composition. High concentrations of a wide spectrum of chemical elements such as Al, Ti, V, Cr, Ni, Co, REE and PGE were discovered there. To explain the mechanisms of solution formation it was made an attempt t...
متن کاملHigh-Mg# andesitic lavas of the Shisheisky Complex, Northern Kamchatka: implications for primitive calc-alkaline magmatism
Primitive arc magmatism and mantle wedge processes are investigated through a petrologic and geochemical study of high-Mg# (Mg/Mg ? Fe [ 0.65) basalts, basaltic andesites and andesites from the Kurile-Kamchatka subduction system. Primitive andesitic samples are from the Shisheisky Complex, a field of Quaternary-age, monogenetic cones located in the Aleutian–Kamchatka junction, north of Shiveluc...
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ژورنال
عنوان ژورنال: Journal of Volcanology and Geothermal Research
سال: 2013
ISSN: 0377-0273
DOI: 10.1016/j.jvolgeores.2013.01.003