New Data on the Chronostratigraphy of the Upper Pleistocene Loess–Soil Series in Southwestern Siberia

V. S. Zykina; V. S. Zykin; N. Ye Volvakh; A. O. Volvakh; A. S. Murray; N. A. Taratunina; R. N. Kurbanov

doi:10.1134/S1028334X21100202

New Data on the Chronostratigraphy of the Upper Pleistocene Loess–Soil Series in Southwestern Siberia

Переведенное название: Новые данные о хроностратиграфии верхнеплейстоценовой лёссово-почвенной серии юга Западной Сибири

V. S. Zykina, V. S. Zykin, N. Ye Volvakh, A. O. Volvakh, A. S. Murray, N. A. Taratunina, R. N. Kurbanov

Кафедра исторической геологии и палеонтологии ГГФ

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

Аннотация

Рассмотрено современное состояние хроностратиграфического расчленения лессово-почвенной формации юга Западной Сибири и результаты люминесцентного датирования опорного разреза в низкогорьях Горного Алтая у пос. Красногорское, в котором выделяется полная серия средне- и позднеплейстоценовых уровней почвообразования. Для разреза методами оптически стимулированной люминесценцией (ОСЛ) и инфракрасно стимулированной люминесценцией (ИКСЛ) датирования получено 6 новых датировок, для двух образцов выполнено параллельное измерение по кварцу и полевым шпатам для контроля степени засвечивания и надежности определения абсолютного возраста. Полученные результаты указывают на время формирования нижней бердской почвы в последнее межледниковье, что соответствует морской изотопной стадии (МИС) 5е, а две даты из подстилающего лесса 127 и 149 тыс. лет назад (л.н.), подтверждают его возраст коррелятный МИС 6. Возрастной интервал формирования, залегающего выше искитимского педокомплекса и горизонта ельцовского лесса, также обоснован полученными четырьмя ОСЛ-датами (48–39 и 39–25 тыс. л.н.). Итоговая хронология подтверждает разработанную ранее хроностратиграфическую схему лессово-почвенной формации юга Западной Сибири, которая основана на детальной морфологической характеристике палеопочв.

Переведенное название	Новые данные о хроностратиграфии верхнеплейстоценовой лёссово-почвенной серии юга Западной Сибири
Язык оригинала	английский
Номер статьи	14
Страницы (с-по)	870-874
Число страниц	5
Журнал	Doklady Earth Sciences
Том	500
Номер выпуска	2
DOI	https://doi.org/10.1134/S1028334X21100202
Состояние	Опубликовано - окт. 2021

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title = "New Data on the Chronostratigraphy of the Upper Pleistocene Loess–Soil Series in Southwestern Siberia",

abstract = "We have analyzed the modern status of the chronostratigraphic differentiation of the loess–paleosoil series in southwestern Siberia and the results of luminescence dating of the reference section of the Altai low mountains near the settlement of Krasnogorskoe. A complete series of the Middle and the Late Pleistocene levels of paleosoil formation is distinguished. Six new dates were obtained for the section by optically stimulated luminescence (OSL) and infrared stimulated luminescence (IRSL), and two samples were measured simultaneously, using quartz and feldspar, to control the light exposure and the reliability of the absolute age determined. The results obtained indicate the formation of the lower Berdsk paleosoil during the last interglacial period, which corresponds to Marine isotopic stage (MIS) 5e, and two dates of the underlying loess (127 and 149 ka BP) confirm that the age of this strata correlates with MIS 6. The age of the overlying Iskitimsk pedocomplex and of the horizon of Yeltsovsk loess is also substantiated by four OSL dates (48–39 and 39–25 ka BP). The final chronology confirms the previously elaborated chronostratigraphic scheme of the loess–paleosoil series in southwestern Siberia, which is based on a detailed morphological characteristic of paleosoils.",

keywords = "geochronology, loess, OSL dating, paleopedology, paleosoils, Quaternary period",

author = "Zykina, {V. S.} and Zykin, {V. S.} and Volvakh, {N. Ye} and Volvakh, {A. O.} and Murray, {A. S.} and Taratunina, {N. A.} and Kurbanov, {R. N.}",

note = "Funding Information: This research was conducted within the framework of a State Assignment of the Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences (project no. 0330-2019-0017) and of the Institute of Geography, Russian Academy of Sciences (project no. 0148-2019-0005), and was supported by the Russian Foundation for Basic Research (project nos. 19-05-00513, 20-05-00801, and 19-35-90040 Graduate Students). Publisher Copyright: {\textcopyright} 2021, Pleiades Publishing, Ltd.",

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doi = "10.1134/S1028334X21100202",

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New Data on the Chronostratigraphy of the Upper Pleistocene Loess–Soil Series in Southwestern Siberia. / Zykina, V. S.; Zykin, V. S.; Volvakh, N. Ye и др.

В: Doklady Earth Sciences, Том 500, № 2, 14, 10.2021, стр. 870-874.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

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T1 - New Data on the Chronostratigraphy of the Upper Pleistocene Loess–Soil Series in Southwestern Siberia

AU - Zykina, V. S.

AU - Zykin, V. S.

AU - Volvakh, N. Ye

AU - Volvakh, A. O.

AU - Murray, A. S.

AU - Taratunina, N. A.

AU - Kurbanov, R. N.

N1 - Funding Information: This research was conducted within the framework of a State Assignment of the Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences (project no. 0330-2019-0017) and of the Institute of Geography, Russian Academy of Sciences (project no. 0148-2019-0005), and was supported by the Russian Foundation for Basic Research (project nos. 19-05-00513, 20-05-00801, and 19-35-90040 Graduate Students). Publisher Copyright: © 2021, Pleiades Publishing, Ltd.

PY - 2021/10

Y1 - 2021/10

N2 - We have analyzed the modern status of the chronostratigraphic differentiation of the loess–paleosoil series in southwestern Siberia and the results of luminescence dating of the reference section of the Altai low mountains near the settlement of Krasnogorskoe. A complete series of the Middle and the Late Pleistocene levels of paleosoil formation is distinguished. Six new dates were obtained for the section by optically stimulated luminescence (OSL) and infrared stimulated luminescence (IRSL), and two samples were measured simultaneously, using quartz and feldspar, to control the light exposure and the reliability of the absolute age determined. The results obtained indicate the formation of the lower Berdsk paleosoil during the last interglacial period, which corresponds to Marine isotopic stage (MIS) 5e, and two dates of the underlying loess (127 and 149 ka BP) confirm that the age of this strata correlates with MIS 6. The age of the overlying Iskitimsk pedocomplex and of the horizon of Yeltsovsk loess is also substantiated by four OSL dates (48–39 and 39–25 ka BP). The final chronology confirms the previously elaborated chronostratigraphic scheme of the loess–paleosoil series in southwestern Siberia, which is based on a detailed morphological characteristic of paleosoils.

AB - We have analyzed the modern status of the chronostratigraphic differentiation of the loess–paleosoil series in southwestern Siberia and the results of luminescence dating of the reference section of the Altai low mountains near the settlement of Krasnogorskoe. A complete series of the Middle and the Late Pleistocene levels of paleosoil formation is distinguished. Six new dates were obtained for the section by optically stimulated luminescence (OSL) and infrared stimulated luminescence (IRSL), and two samples were measured simultaneously, using quartz and feldspar, to control the light exposure and the reliability of the absolute age determined. The results obtained indicate the formation of the lower Berdsk paleosoil during the last interglacial period, which corresponds to Marine isotopic stage (MIS) 5e, and two dates of the underlying loess (127 and 149 ka BP) confirm that the age of this strata correlates with MIS 6. The age of the overlying Iskitimsk pedocomplex and of the horizon of Yeltsovsk loess is also substantiated by four OSL dates (48–39 and 39–25 ka BP). The final chronology confirms the previously elaborated chronostratigraphic scheme of the loess–paleosoil series in southwestern Siberia, which is based on a detailed morphological characteristic of paleosoils.

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KW - loess

KW - OSL dating

KW - paleopedology

KW - paleosoils

KW - Quaternary period

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