Lake Gusinoye (the southern part of East Siberia, Russia): sedimentary history inferred from high-resolution reflection seismic data
- Authors: Chensky D.A.1, Grigorev K.A.2, Chensky A.G.1, Parkhomchuk E.V.2, Fedotov A.P.3
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Affiliations:
- National Research Irkutsk State Technical University
- Boreskov Institute of Catalysis the Siberian Branch of RAS
- Limnological Institute of the Siberian Branch of the Russian Academy of Sciences
- Issue: No 4 (2019)
- Pages: 266-269
- Section: Articles
- URL: https://journal-vniispk.ru/2658-3518/article/view/288699
- DOI: https://doi.org/10.31951/2658-3518-2019-A-4-266
- ID: 288699
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Abstract
This paper studies the formation of the sediment cover in Lake Gusinoye. For this purpose, we used high-resolution seismic data. Depression of Lake Gusinoye has a tectonic origin; however, there is no evidence of recent tectonic activity. Sediment thickness in Lake Gusinoye is less than 9 m, and its history is short (<35-45 ka). In addition, seismic stratigraphy records contain three contrasting episodes when the lake level dramatically decreased. It is very likely that there were also other shorter episodes of low-level stands. Thus, seismic structures of lakes Gusinoye and Kotokel have a strong resemblance, and it is most likely that their history began at the same time, ca. 40 ka BP.
About the authors
D. A. Chensky
National Research Irkutsk State Technical University
Email: mix@lin.irk.ru
Russian Federation, Lermontov st., 83, Irkutsk
K. A. Grigorev
Boreskov Institute of Catalysis the Siberian Branch of RAS
Email: mix@lin.irk.ru
Russian Federation, Lavrentiev Ave. 5 Novosibirsk
A. G. Chensky
National Research Irkutsk State Technical University
Email: mix@lin.irk.ru
Russian Federation, Lermontov st., 83, Irkutsk
E. V. Parkhomchuk
Boreskov Institute of Catalysis the Siberian Branch of RAS
Email: mix@lin.irk.ru
Russian Federation, Lavrentiev Ave. 5 Novosibirsk
A. P. Fedotov
Limnological Institute of the Siberian Branch of the Russian Academy of Sciences
Author for correspondence.
Email: mix@lin.irk.ru
Russian Federation, Ulan-Batorskaya 3, 664 033 Irkutsk
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