Cryogenic-Lateral Hypothesis of the Formation of the Parent Rock of Soddy-Podzolic Soils Using the Example of the Ryshkovo Paleosol (MIS 5e) in the Taneyev Quarry, Kursk Region

IF 1.4 4区农林科学 Q4 SOIL SCIENCE Eurasian Soil Science Pub Date : 2024-07-22 DOI:10.1134/s1064229324600751

S. A. Sycheva, O. S. Khokhlova, E. G. Ershova, T. N. Myakshina, P. A. Ukrainskiy

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Abstract—

The Ryshkovo paleosol of the Mikulino Interglacial (MIS 5e), Late Moscow loess (MIS 6), and buried small erosional landforms were studied in the Taneyev Quarry of Kursk oblast, in the center of the East European Plain. Macro- and micromorphological and palynological analyses of the soil samples were carried out, and the OSL age and physicochemical properties were determined. The history of erosional landforms, soils, and landscapes was reconstructed on the basis of the facial analysis of the paleosol catena. It was concluded that the differentiation of the paleosol profile into the Ah–E–Bt horizons was developed during the Mikulino Interglacial, whereas the initial heterogeneity of the parent material had been formed earlier, during the Late Moscow (Saalian) Glaciation, under the impact of slope and cryogenic processes. The lithological matrix of the Ryshkovo paleosol did not remain unchanged due to the different history of interaction of eolian and slope (solifluction and colluvial) processes, initial pedogenesis, and interglacial soil formation.

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以库尔斯克地区塔涅耶夫采石场的雷什科沃古沉积物（MIS 5e）为例，提出索迪-泊松质土壤母岩形成的低温侧向假说

摘要在位于东欧平原中心的库尔斯克州塔涅耶夫采石场研究了米库利诺间冰期（MIS 5e）的里什科沃古土壤、莫斯科晚期黄土（MIS 6）以及被掩埋的小型侵蚀地貌。对土壤样本进行了宏观和微观形态学及古生物学分析，并测定了 OSL 年龄和理化性质。根据古沉积物的面貌分析，重建了侵蚀地貌、土壤和地貌的历史。研究得出结论，古沉积剖面分化为 Ah-E-Bt 地层是在米库利诺间冰期形成的，而母质的初始异质性则是在更早的莫斯科晚期（萨利亚）冰川期，在斜坡和低温过程的影响下形成的。由于风化和斜坡（溶蚀和冲积）过程、最初的成土过程和冰期土壤形成过程的相互作用历史不同，Ryshkovo 古溶岩的岩性基质并不是一成不变的。

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来源期刊

Eurasian Soil Science 农林科学-土壤科学

CiteScore

2.70

自引率

35.70%

发文量

137

审稿时长

12-24 weeks

期刊介绍： Eurasian Soil Science publishes original research papers on global and regional studies discussing both theoretical and experimental problems of genesis, geography, physics, chemistry, biology, fertility, management, conservation, and remediation of soils. Special sections are devoted to current news in the life of the International and Russian soil science societies and to the history of soil sciences. Since 2000, the journal Agricultural Chemistry, the English version of the journal of the Russian Academy of Sciences Agrokhimiya, has been merged into the journal Eurasian Soil Science and is no longer published as a separate title.