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Structure of the Late Pleistocene Climate Rhythm Inferred from the Detailed Soil-Sedimentation Archive of the Extraglacial Region of the East European Plain (Aleksandrovka Quarryстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 28 июля 2021 г.
- Авторы: Sycheva S.A., Khokhlova O.S., Pushkinaa P.R.
- Журнал: Stratigraphy and Geological Correlation
- Том: 29
- Номер: 3
- Год издания: 2021
- Издательство: Pleiades Publishing, Inc.
- Местоположение издательства: New York, USA
- Первая страница: 368
- Последняя страница: 387
- Аннотация: The paper presents the results on stratigraphy and chronology of the Late Pleistocene obtained onthe basis of both OSL and 14C dating of paleosols and sediments in the Aleksandrovka quarry, located in theCentral Russian Upland. As this section was confined to the paleo-ravine, its layers reflected multiple alternations of the stages of soil formation, cryogenesis, and sedimentation in the Late Pleistocene. The studiedsequence is one of the most detailed soil-sedimentary terrestrial archives in Eastern Europe owing to its specific geomorphological position. The climate changes from the Mikulino interglacial (MIS 5e) to the Holocene (MIS 1) are reflected. The Ryshkovo pedolithic complex (MIS 5e, 127–117 ka) with extremely detailedpedogenetic stages lies at the base of paleodepression. The first Early Valdai cooling, which is reflected by theSeim stratum, has an OSL age of 115 ka. Two interstadial paleosols, Kukuevka and Streletskaya, were formedin the Early Valdai time (MIS 5c and MIS 5a). The Mlodat loess separating them has an OSL age of 91 ka.The Middle Valdai is represented by two main interstadial paleosols, Alexandrovka (53 ka BP in 14C) andBryansk (33 ka BP in 14C). In the filling of the Late Valdai dells, there are zoogenically processed late-glacialloams formed during warming epochs, Bølling and Allerød. The presented chronostratigraphic scheme iscompared with analogs obtained for other loess-soil archives of Eastern, Central, and Western Europe.
- Добавил в систему: Сычева Светлана Арсеньевна