Abstract
The 238U, 235U and 232Th series radionuclides and 40K content of Late Pleistocene fossilizing bones have been measured using γ-spectrometry. The U-series dating results are variated from 21 ± 3 up to 31 ± 4 kya based on the 238U-method depending to the leaching constant taken into account. These results are in agreement compared to the age 23.8 ± 0.1 kya given by the 14C-method on the bone collagen. The radiocarbon age demonstrates a 238U-leaching constant 1.81 ± 0.13 × 10−4 ky−1 for the recent Quaternary fossilizing bones studied.
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