Role of climatic and volcanogenic factors in the formation of organogenic sediments and the development of landscapes on Simushir Island (Central Kurile Islands) in the middle-late Holocene

It is shown that the development history of landscapes on Simushir Island includes several stages marked by their reorganizations, which were caused by climate changes and volcanic eruptions. The stratigraphic data derived from sections of the soil-tephra cover in different areas of the island and f...

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Bibliographic Details
Published in:Russian journal of Pacific geology 2013-05, Vol.7 (3), p.199-211
Main Authors: Razzhigaeva, N. G., Ganzei, L. A., Belyanina, N. I., Grebennikova, T. A., Arslanov, Kh. A., Pshenichnikova, N. F., Rybin, A. V.
Format: Article
Language:English
Subjects:
Bacillariophyceae
Climate change
Earth and Environmental Science
Earth Sciences
Geological time
Geology
Sedimentary geology
Stratigraphy
Volcanology
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Summary:It is shown that the development history of landscapes on Simushir Island includes several stages marked by their reorganizations, which were caused by climate changes and volcanic eruptions. The stratigraphic data derived from sections of the soil-tephra cover in different areas of the island and from the peatland section on the Dushnaya Bay coast served as the basis for the paleogeographic reconstructions. They include data on the palynological spectra of the fossil and recent soils and peatland; the latter also yielded diatom assemblages. The radiocarbon dates and tephrostratigraphic record provided age estimates for the corresponding events.
ISSN:1819-7140
1819-7159
DOI:10.1134/S1819714013030068