Age of the Chibit Glaciation in Gornyi Altai

I. D. Zolnikov, E. V. Deev, R. N. Kurbanov, A. V. Panin, A. V. Vasiliev, N. I. Pozdnyakova, I. V. Turova

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование


New results of Optically-Stimulated Luminescence (OSL) dating that make it possible to clarify the age of the Chibitskii glaciation in the Altai Mountains are reported. Three dates were obtained from the upper part of the lacustrine–glacial Baratal sands, logically distributed within the chronological interval from 21.0 to 14.4 ka. Fluvioglacial sands from the drift moraines of the last Kuekhtanar glacier, three OSL-ages of which are in the interval of 30–24 ka, correlate with the Baratal limnoglacial. The origin of Sukor Lake is associated with the Sukor landslide, which dammed the Chuya River valley. According to eight OSL dates, which have been obtained for the Sukor sands, the dammed Sukor Lake existed in the interval from 16 to 11 ka. New OSL dates provide a more reliable reconstruction of the Chibit glaciation age and the position of the corresponding sediments in the Quaternary stratigraphic chart of the Altai–Sayan Mountain Country, as corresponding to the Last Glacial Maximum (LGM), i.e., the fourth stage of the Upper Neopleistocene of the Russian stratigraphic chart.

Язык оригиналаанглийский
Страницы (с-по)176-181
Число страниц6
ЖурналDoklady Earth Sciences
Номер выпуска2
СостояниеОпубликовано - фев 2021

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