The New Pleistocene Ulan-Zhalga Key Section in Western Transbaikalia
- Authors: Erbajeva M.A.1,2, Shchetnikov A.A.2,3,4, Kazansky A.Y.5,6, Matasova G.G.7, Khenzykhenova F.I.1, Filinov I.A.2,3,4, Namzalova O.D.1, Nechaev I.O.2
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Affiliations:
- Geological Institute, Siberian Branch, Russian Academy of Sciences
- Vinogradov Institute of Geochemistry, Siberian Branch, Russian Academy of Sciences
- Institute of the Earth’s Crust, Siberian Branch, Russian Academy of Sciences
- Irkutsk Science Center, Siberian Branch, Russian Academy of Sciences
- Department of Geology, Moscow State University
- Geological Institute, Russian Academy of Sciences
- Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch, Russian Academy of Sciences
- Issue: Vol 488, No 1 (2019)
- Pages: 1035-1038
- Section: Geology
- URL: https://journals.rcsi.science/1028-334X/article/view/195414
- DOI: https://doi.org/10.1134/S1028334X1909023X
- ID: 195414
Cite item
Abstract
This work presents the first results of a multidisciplinary study of the new Pleistocene Ulan-Zhalga section (51°29′40.75″ N, 107°20′18.11″ E), discovered in Western Transbaikalia in 2017. Based on the paleontological, paleomagnetic, and lithological data, the Early, Middle, and Late Pleistocene deposits were distinguished in the section. The analysis of the species composition of small mammals allowed us to trace the paleoenvironmental and climatic changes in the region during the Quaternary. The unique succession of 19 faunal horizons and 11 horizons of buried soils in the section and a high degree of correlation of the paleomagnetic and paleontological data allow us to state that the studied Ulan-Zhalga section can serve as an important object for paleogeographical reconstruction and biostratigraphy. In addition, the new data obtained allow us to refer this section as one of the Upper Cenozoic key sections of the southern Eastern Siberia.
About the authors
M. A. Erbajeva
Geological Institute, Siberian Branch, Russian Academyof Sciences; Vinogradov Institute of Geochemistry, Siberian Branch, Russian Academy of Sciences
Author for correspondence.
Email: erbajeva@ginst.ru
Russian Federation, Ulan-Ude, 670047; Irkutsk, 664033
A. A. Shchetnikov
Vinogradov Institute of Geochemistry, Siberian Branch, Russian Academy of Sciences; Institute of the Earth’s Crust, Siberian Branch,Russian Academy of Sciences; Irkutsk Science Center, Siberian Branch, Russian Academy of Sciences
Email: erbajeva@ginst.ru
Russian Federation, Irkutsk, 664033; Irkutsk, 664033; Irkutsk, 664033
A. Yu. Kazansky
Department of Geology, Moscow State University; Geological Institute, Russian Academy of Sciences
Email: erbajeva@ginst.ru
Russian Federation, Moscow, 119234; Moscow, 119017
G. G. Matasova
Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch, Russian Academy of Sciences
Email: erbajeva@ginst.ru
Russian Federation, Novosibirsk, 630090
F. I. Khenzykhenova
Geological Institute, Siberian Branch, Russian Academyof Sciences
Email: erbajeva@ginst.ru
Russian Federation, Ulan-Ude, 670047
I. A. Filinov
Vinogradov Institute of Geochemistry, Siberian Branch, Russian Academy of Sciences; Institute of the Earth’s Crust, Siberian Branch,Russian Academy of Sciences; Irkutsk Science Center, Siberian Branch, Russian Academy of Sciences
Email: erbajeva@ginst.ru
Russian Federation, Irkutsk, 664033; Irkutsk, 664033; Irkutsk, 664033
O. D.-Ts. Namzalova
Geological Institute, Siberian Branch, Russian Academyof Sciences
Email: erbajeva@ginst.ru
Russian Federation, Ulan-Ude, 670047
I. O. Nechaev
Vinogradov Institute of Geochemistry, Siberian Branch, Russian Academy of Sciences
Email: erbajeva@ginst.ru
Russian Federation, Irkutsk, 664033