STRUCTURE AND CONDITIONS FOR THE FORMATION OF THE SEDIMENTS SECTION OF NEW MULTILAYER GEOARCHAEOLOGICAL SITE KITOI MOST (LATE UPPER PALEOLITHIC, CIS-BAIKAL)
- 作者: Shchetnikov A.A1,2, Kazansky A.Y.3,4, Matasova G.G1, Ivanova V.V5, Filinov I.A1, Berdnikova N.E6, Berdnikov I.M6, Lipnina E.A6
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隶属关系:
- Institute of the Earth's Crust SB RAS
- Institute of Geochemistry SB RAS
- Geological Institute RAS
- Lomonosov Moscow State University, Faculty of Geography
- Institute of Precambrian Geology and Geochronology RAS
- Irkutsk State University
- 期: 卷 56, 编号 3 (2025)
- 页面: 507-526
- 栏目: GEOARCHAEOLOGY
- URL: https://journals.rcsi.science/2949-1789/article/view/355383
- DOI: https://doi.org/10.31857/S2949178925030106
- ID: 355383
如何引用文章
详细
Archaeological sites of the Middle Sartan age are extremely rare within the Cis-Baikal region, and therefore are of a great interest to specialists. Our team discovered a new multi-layered geoarchaeological object of this age, called the Kitoi Most. The paper presents the results of comprehensive studies of the deposits hosting culture-bearing horizons at Kitoi Most. The section has a complete set of regional chronostratigraphic levels of the Upper Pleistocene. Sediments derived from the rocks of the Jurassic sedimentary basin. At the initial stage (MIS 5), the formation of the section occurred in alluvial environment, and subsequently (MIS 4–1) mainly in subaerial conditions with periodic manifestations of pedogenesis and an increased role of colluvial processes. The formation of the magnetic properties of deposits of the loess strata of the section corresponds to the "Siberian" mechanism, which is a superposition of two "Chinese" mechanisms, which explains the presence of superparamagnetic particles in soils as a result of pedogenesis, and the "Alaskan" (wind) mechanism, which causes differences in the magnetic susceptibility of loess and fossil soils by changes in the intensity of wind activity. In the subaerial deposits of the Sartan (MIS 2) age, the presence of nivean-eolian sands was established. These deposits overlap archaeological horizons and correspond to ~17–14.7 ka cal. BP period when sediment genesis was influenced by deep cryoaridization with the manifestation of extremely strong wind. Apparently, this climatic pressure influenced development of the system of human occupation in the region, which is currently expressed in the limited distribution of archaeological objects of this age in the territory of Cis-Baikal.
作者简介
A. Shchetnikov
Institute of the Earth's Crust SB RAS; Institute of Geochemistry SB RAS
Email: shch@crust.irk.ru
Irkutsk, Russia; Irkutsk, Russia
A. Kazansky
Geological Institute RAS; Lomonosov Moscow State University, Faculty of Geography
Email: shch@crust.irk.ru
Moscow, Russia; Moscow, Russia
G. Matasova
Institute of the Earth's Crust SB RAS
Email: shch@crust.irk.ru
Irkutsk, Russia
V. Ivanova
Institute of Precambrian Geology and Geochronology RAS
Email: shch@crust.irk.ru
St. Petersburg, Russia
I. Filinov
Institute of the Earth's Crust SB RAS
Email: shch@crust.irk.ru
Irkutsk, Russia
N. Berdnikova
Irkutsk State University
Email: shch@crust.irk.ru
Irkutsk, Russia
I. Berdnikov
Irkutsk State University
Email: shch@crust.irk.ru
Irkutsk, Russia
E. Lipnina
Irkutsk State University
编辑信件的主要联系方式.
Email: shch@crust.irk.ru
Irkutsk, Russia
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