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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
- Authors: Maksimov F.E.1, Pevzner M.M.2, Petrov A.Y.1, Levchenko S.B.1, Grigoriev V.A.1, Baranova N.G.1, Kuznetsov V.Y.1
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Affiliations:
- Saint-Petersburg State University
- Geological Institute of the Russian Academy of Sciences
- Issue: Vol 488, No 3 (2019)
- Pages: 288-293
- Section: Geology
- URL: https://journals.eco-vector.com/0869-5652/article/view/16266
- DOI: https://doi.org/10.31857/S0869-56524883288-293
- ID: 16266
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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.
About the authors
F. E. Maksimov
Saint-Petersburg State University
Author for correspondence.
Email: maksimov-fedor@yandex.ru
Russian Federation, 7/9, Universitetskaya embankment, Saint-Petersburg, 199034
M. M. Pevzner
Geological Institute of the Russian Academy of Sciences
Email: maksimov-fedor@yandex.ru
Russian Federation, 7, Pyzhevsky lane, Moscow, 119017
A. Yu. Petrov
Saint-Petersburg State University
Email: maksimov-fedor@yandex.ru
Russian Federation, 7/9, Universitetskaya embankment, Saint-Petersburg, 199034
S. B. Levchenko
Saint-Petersburg State University
Email: maksimov-fedor@yandex.ru
Russian Federation, 7/9, Universitetskaya embankment, Saint-Petersburg, 199034
V. A. Grigoriev
Saint-Petersburg State University
Email: maksimov-fedor@yandex.ru
Russian Federation, 7/9, Universitetskaya embankment, Saint-Petersburg, 199034
N. G. Baranova
Saint-Petersburg State University
Email: maksimov-fedor@yandex.ru
Russian Federation, 7/9, Universitetskaya embankment, Saint-Petersburg, 199034
V. Yu. Kuznetsov
Saint-Petersburg State University
Email: maksimov-fedor@yandex.ru
Russian Federation, 7/9, Universitetskaya embankment, Saint-Petersburg, 199034
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