Email this article New chronological (14C, OSL), paleontological and geochemical data on developing of ice-dammed lakes in Kurai basin (south-eastern part of the Russian Altai) during the MIS-2
- Authors: Agatova A.R.1,2, Nepop R.K.1,2, Khazin L.B.3,4, Zhdanova A.N.1, Uspenskaya O.N.5, Ovchinnikov I.Y.1, Moska P.6
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Affiliations:
- Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
- Ural Federal University
- Trofimuk Institute of Petroleum Geology and Geophysics Sibirian Branch of the Russian Academy of Sciences
- Novosibirsk State University
- All-Russian Research Institute of Vegetable Crowing
- Silesian University of Technology
- Issue: Vol 488, No 3 (2019)
- Pages: 319-322
- Section: Geography
- URL: https://journals.eco-vector.com/0869-5652/article/view/16273
- DOI: https://doi.org/10.31857/S0869-56524883319-322
- ID: 16273
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Abstract
One of the highly debatable issue of the Altai Pleistocene paleogeography is the chronology and extension of the last ice-dammed lakes. For the first time paleontological, mineralogical characteristics, and optically stimulated luminescence (OSL) ages for lacustrine deposits confirm accumulation of ice-dammed lake with depth at least 170 m in Kurai basin at the end of the Late Pleistocene - 16-19 ka. New data provide information about the ecology and evolution of this Sartan reservoir. Draining of this lake less affected the topography in comparison with earlier cataclysmic glacier-lakes outburst floods. Nevertheless, the lake controlled human settlement of the basin in the Late Paleolithic. Drying of this reservoir defined formation of the modern hydrological network, including flowing of the Chuya River along the steep gorge between the Maashey and Belgibash mouths. New data evidence for significant difference in evolution of the Kurai-Chuya system of intermountain depressions and Uimon basin at the end of the Late Pleistocene.
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About the authors
A. R. Agatova
Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences; Ural Federal University
Author for correspondence.
Email: agatr@mail.ru
Russian Federation, 3, Koptyug prospect, Novosibirsk, 630090; 51, Lenina ave., Ekaterinburg, 620000
R. K. Nepop
Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences; Ural Federal University
Email: agatr@mail.ru
Russian Federation, 3, Koptyug prospect, Novosibirsk, 630090; 51, Lenina ave., Ekaterinburg, 620000
L. B. Khazin
Trofimuk Institute of Petroleum Geology and Geophysics Sibirian Branch of the Russian Academy of Sciences; Novosibirsk State University
Email: agatr@mail.ru
Russian Federation, 3, Koptyg prosrect, Novosibirsk, 630090; 1, Pirogova street, Novosibirsk, 630090
A. N. Zhdanova
Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
Email: agatr@mail.ru
Russian Federation, 3, Koptyug prospect, Novosibirsk, 630090
O. N. Uspenskaya
All-Russian Research Institute of Vegetable Crowing
Email: agatr@mail.ru
Russian Federation, 500, Vereya village, Ramenskiy district, Moscow region, 140153
I. Yu. Ovchinnikov
Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences
Email: agatr@mail.ru
Russian Federation, 3, Koptyug prospect, Novosibirsk, 630090
P. Moska
Silesian University of Technology
Email: agatr@mail.ru
Poland, 2А, Akademicka, Gliwice, 44-100
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