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Authigenic carbonates from holocene sediments of Lake Itkul (south of West Siberia) as indicators of climate changes
- Authors: Solotchina E.P.1, Kuzmin M.I.2, Solotchin P.A.1, Maltsev A.E.1, Leonova G.A.1, Danilenko I.V.1
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Affiliations:
- Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
- Vinogradov Institute of Geochemistry, Siberian Branch of the Russian Academy of Sciences
- Issue: Vol 487, No 1 (2019)
- Pages: 54-59
- Section: Geology
- URL: https://journals.eco-vector.com/0869-5652/article/view/15383
- DOI: https://doi.org/10.31857/S0869-5652487154-59
- ID: 15383
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Abstract
The results of the study of carbonate-containing bottom sediments from the shallow brackish Lake Itkul (Western Siberia) are presented. The research methods include X-ray diffractometry (XRD), IR spectroscopy, laser granulometry, elemental analysis, etc. By the modeling of XRD carbonate profiles with the Pearson VII function, carbonate phases were identified and their quantitative ratios were determined. By the comparing of carbonate record with lithological, geochemical data in a dated sedimentary section, the evolution of the lake basin in the Holocene caused of climatic changes was reconstructed. Mineralogical signals of the global climatic event known as Bond event 4 in the South of West Siberia have been discovered.
About the authors
E. P. Solotchina
Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
Author for correspondence.
Email: solot@igm.nsc.ru
Russian Federation, 3, Koptyug prospect, Novosibirsk, 630090
M. I. Kuzmin
Vinogradov Institute of Geochemistry, Siberian Branch of the Russian Academy of Sciences
Email: solot@igm.nsc.ru
Academician of the Russian Academy of Sciences
Russian Federation, PBox 9, 1a, Favorsky street, Irkutsk, 664033P. A. Solotchin
Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
Email: solot@igm.nsc.ru
Russian Federation, 3, Koptyug prospect, Novosibirsk, 630090
A. E. Maltsev
Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
Email: solot@igm.nsc.ru
Russian Federation, 3, Koptyug prospect, Novosibirsk, 630090
G. A. Leonova
Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
Email: solot@igm.nsc.ru
Russian Federation, 3, Koptyug prospect, Novosibirsk, 630090
I. V. Danilenko
Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
Email: solot@igm.nsc.ru
Russian Federation, 3, Koptyug prospect, Novosibirsk, 630090
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