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Rift- and arc-type basaltic volcanism of the Sredinny Ridge, Kamchatka: case study of the Payalpan volcano-tectonic structure

Ivanov A.V., Perepelov A.B., Puzankov M.Yu., Yasnygina T.A., Malykh Yu.M., Rasskazov S.V. (2004) Rift- and arc-type basaltic volcanism of the Sredinny Ridge, Kamchatka: case study of the Payalpan volcano-tectonic structure / Metallogeny of the Pacific Northwest: Tectonics, Magmatism and Metallogeny of Active Continental Margins / Khanchuk A.I., [et al.] eds. Vladavostok: Dalnauka. pp. 345-349.

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Abstract

Trace element data for volcanic rocks of the Payalpan volcano-tectonic structure (Sredinny ridge, Kamchatka) allows distinguishing typical island-arc, rift and transitional series of rocks. Island-arc basaltic and differentiated magmas erupted in the Late Miocene and Pliocene. In the Late Pliocene – Early Pleistocene, there was a voluminous event dominated by the basaltic magmas of rift-type series. This event followed by voluminous eruptions of mainly basaltic andesites of transitional series. At the end of the Pleistocene and probably during the Holocene volume of eruptions diminished and composition of magmas shifted towards rift-type basaltic series. Practically in the same area in the Pleistocene and Holocene the Icha volcano produced basaltic andesite to rhyolite magmas of the island-arc and transitional series. Reasons for spatial overlapping and temporal evolution of the island-arc and rift magma types are also discussed.
Item Type: Book Section
Title: Rift- and arc-type basaltic volcanism of the Sredinny Ridge, Kamchatka: case study of the Payalpan volcano-tectonic structure
Language: English
Title of Book: Metallogeny of the Pacific Northwest: Tectonics, Magmatism and Metallogeny of Active Continental Margins
ISBN: 5-8044-0470-9
Subjects: 3 State scientific and technical information rubricator (ГРНТИ) > 38 ГЕОЛОГИЯ > 38.37 Петрография > 38.37.25 Вулканология
1 Volcanoes > 1.1 Volcanoes of the Kurile-Kamchatka Region > 1.1.1 Kamchatka > Bolshoi Payalpan
1 Volcanoes > 1.1 Volcanoes of the Kurile-Kamchatka Region > 1.1.1 Kamchatka > Etopan
1 Volcanoes > 1.1 Volcanoes of the Kurile-Kamchatka Region > 1.1.1 Kamchatka > Maly Payalpan
1 Volcanoes > 1.1 Volcanoes of the Kurile-Kamchatka Region > 1.1.1 Kamchatka > Niolkande
1 Volcanoes > 1.1 Volcanoes of the Kurile-Kamchatka Region > 1.1.1 Kamchatka > Nosichan
1 Volcanoes > 1.1 Volcanoes of the Kurile-Kamchatka Region > 1.1.1 Kamchatka > Payalpan
1 Volcanoes > 1.1 Volcanoes of the Kurile-Kamchatka Region > 1.1.1 Kamchatka > Tynua
Depositing User: И.М. Романова
Date Deposited: 31 Aug 2022 01:30
Last Modified: 31 Aug 2022 01:30
URI: http://repo.kscnet.ru/id/eprint/4338

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