Age of the «cross-laminated sandy» stratum from the reference section Yar Sredny (Central Kamchatka) according to the paired 230Th /238U and 14C dating of peat
F. Maksimov, Ф Е Максимов, M. Pevzner, М М Певзнер, A. Petrov, А.Ю. Петров, S. Levchenko, С Б Левченко, V. Grigoriev, Василий Александрович Григорьев, N. Baranova, Н. Г. Баранова, V. Kuznetsov, В. Ю. Кузнецов
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引用次数: 0
Abstract
For the first time, numerical radioisotope age were obtained for the “cross-laminated sandy” stratum, which is widespread in Neopeopleistocene reference sections of loose sediments from Central Kamchatka. Two peat layers, incorporated in the “cross-laminated sandy” stratum of the Yar Sredny, were studied. The results of their paired 230Th/238U and 14C dating are in good agreement with each other. According to the dating results, it was determined that the “cross-laminated sandy” stratum was deposited, apparently, in the range of about 50-40 thousand years ago, i.e. in the Late Pleistocene (MIS-3), and not in the Middle Pleistocene, about 400-300 thousand years ago, as previously thought.
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