Holocene catastrophic caldera-forming eruptions of Ksudach volcano, Kamchatka
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dc.contributor.author | Melekestsev I.V. | |
dc.contributor.author | Braitseva O.A. | |
dc.contributor.author | Ponomareva V.V. | |
dc.contributor.author | Sulerzhitskiy L.D. | |
dc.date.accessioned | 2019-08-29T10:27:29Z | |
dc.date.available | 2019-08-29T10:27:29Z | |
dc.date.issued | 1996 | |
dc.identifier | http://repo.kscnet.ru/1113/ | |
dc.identifier.citation | Melekestsev I.V., Braitseva O.A., Ponomareva V.V., Sulerzhitskiy L.D. (1996) Holocene catastrophic caldera-forming eruptions of Ksudach volcano, Kamchatka // Volcanology and Seismology. Vol. 17, No. 4-5. pp. 395-422. | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/4319 | |
dc.description.abstract | Four Plinian eruptions of Ksudach have been reconstructed and dated by the carbon-14 method. The eruptions produced three collapse calderas: the KS1 eruption formed Caldera V 1700-1800 years ago, the KS2 and KS3 events produced Caldera IV 6000-6100 years ago, and the KS4 eruption formed Caldera III 8700-8800 years ago. The most violent eruption was the KS1 event. The sizes of the calderas were 4 × 6.5 km (V), 5 × 6 km (IV), and presumably 2-3 km across (III). Juvenile material was erupted in a rhythmic manner. The composition of the products was dominated by andesite (KS2 and KS4), dacite and rhyodacite (KS3), and rhyodacite (KS1). It is assumed that all caldera-forming eruptions were triggered by the injection of a new portion of high-temperature basic magma and its mixing with the cooling acid magma of the preexisting source. -from Journal summary | |
dc.language.iso | en | |
dc.subject | 38.37.25 Вулканология | |
dc.subject | Ксудач | |
dc.title | Holocene catastrophic caldera-forming eruptions of Ksudach volcano, Kamchatka | |
dc.type | Статья |
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