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Explosive eruptions of the Sarychev Peak volcano in the Holocene on Matua Island, the Central Kuriles: The tephra geochemistry |
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| Authors: | A V Degterev A V Rybin I V Melekestsev N G Razzhigaeva |
| Institution: | 1. Institute of Marine Geology and Geophysics, Far East Branch, Russian Academy of Sciences, ul. Nauki 1B, Yuzhno-Sakhalinsk, 693022, Russia 2. Institute of Volcanology and Seismology, Far East Branch, Russian Academy of Sciences, bul. Piipa 9, Petropavlovsk-Kamchatskii, 683006, Russia 3. Pacific Institute of Geography, Far East Branch, Russian Academy of Sciences, ul. Radio 7, Vladivostok, 690041, Russia |
| Abstract: | The first results of tephrochronological studies of the Sarychev Peak volcano on Matua Island in the Central Kuril Islands are presented and the eruptive evolution of the volcano in the Holocene is reconstructed. The volcanic products are typified and the general style of their geochemical evolution is reviewed on the basis of the distribution of the petrogenic oxides and trace elements in tephra samples taken bed-by-bed from the reference section of the soil-pyroclastic cover on Matua Island. The horizons of transit ashes are identified. |
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