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Temperatures of Entering Magma, Formation and Dimensions of Magma Chambers of Volcanoes

Fedotov S.A. (1982) Temperatures of Entering Magma, Formation and Dimensions of Magma Chambers of Volcanoes // Bulletin Volcanologique. Vol. 45. No. 4. pp. 333-348.

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Abstract

A mechanism, of formation of magma chambers that feed volcanoes is discussed. Heat conditions and dimensions of magma chambers which have existed for more than several thousand years may become stable. The approximate equations of heat balance of these chambers are derived by calculating the temperature T1 of the magma entering chambers and the radii a of chambers. Calculations show that the radius of the shallow "peripheral" chambers of the Avachinsky volcano is less than 3-3.5 km. Possible maximum radii of "peripheral" magma chambers were estimated for the Kamchatkan volcanoes of medial size. The temperature difference in their chambers may reach 100-200 "C. This method can be applied to the calculations of "roots" of central-type volcanoes.
Item Type: Article
Title: Temperatures of Entering Magma, Formation and Dimensions of Magma Chambers of Volcanoes
Language: English
Journal or Publication Title: Bulletin Volcanologique
ISSN Print: 0366-483X
ISSN Online: 1432-0819
Subjects: State scientific and technical information rubricator (ГРНТИ) > 38 ГЕОЛОГИЯ > 38.37 Петрография > 38.37.25 Вулканология
Depositing User: С.Э. Васильев
Date Deposited: 25 Sep 2014 00:28
Last Modified: 25 Sep 2014 00:28
URI: http://repo.kscnet.ru/id/eprint/1854

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