ERUPTED MATERIAL AND SEQUENCE OF EVENTS DURING THE BEZYMYANNYI ERUPTION OF MARCH 30, 1956. DIRECTED BLAST DEPOSITS
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dc.contributor.author | Belousov A.B. | |
dc.contributor.author | Belousova M.G. | |
dc.date.accessioned | 2021-01-28T11:01:02Z | |
dc.date.available | 2021-01-28T11:01:02Z | |
dc.date.issued | 2000 | |
dc.identifier | https://elibrary.ru/item.asp?id=13341520 | |
dc.identifier.citation | Volcanology & Seismology, 2000, 22, 2, 117-141 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/23858 | |
dc.description.abstract | This paper presents the results of a detailed study of pyroclastic deposits produced on Bezymyannyi Volcano on March 30, 1956: composition, stratigraphy, grain size, mechanical and thermal effects. It is shown that the directed blast was caused by the explosion of a magma body that had been intruded in the edifice during the pre-climacteric phase of the eruption. The material thrown out by the explosion propagated along the eastern foot of the volcano as a pyroclastic surge (a turbulent flow of a hot gas and pyroclastics mixture). The speed of the surge was higher than 60 m/s (at a distance of 10 km from the cone), its effective temperature was ca. 300°C. The resulting deposits are classified as a directed-blast pyroclastic surge. | |
dc.title | ERUPTED MATERIAL AND SEQUENCE OF EVENTS DURING THE BEZYMYANNYI ERUPTION OF MARCH 30, 1956. DIRECTED BLAST DEPOSITS | |
dc.type | Статья |
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