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S.A. Sycheva, S.N. Sedov, O.S. Khokhlova
BRYANSK (MIS 3) PALAEOSOILIN THE MIDDLE RUSSIAN UPLAND: 14CAGE, DURATION
AND HISTORY OF DEVELOPMENT
The Bryansk (MIS 3) Soil radiocarbon age was obtained and analyzed in different geological sections over the East European Plain (Alexandrovsky Pit, Zheleznogorsk, KBS-13, Taneevsky Pit, Fatyanovka, Monastyrschina, Kostenki 14 and others). Age measurements were performed using different carbon-bearing materials: humic acids, carbonates, charcoal, bone collagen. Soil genesis was determined as meadow-calcareous, sod-calcareous, sod-gley contributed by permafrost processes at final stages. Time interval of soil formation was 28–33 ka BP (uncal), duration of formation – 5–6 thousand years. Underestimation of radiocarbon age may be explained by the long standing on the ground during the Last Glacial Maximum. Conclusion was made on the beginning of the last phase of loess accumulation in the Mid-Russian Upland at 17–15 ka BP (uncal).
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