Geochemical Features of Annual Layers of Bottom Sediments of Freshwater Lakes, Studied via Synchrotron Radiation–Induced XRF Microanalysis

Описание

Тип публикации: статья из журнала

Год издания: 2019

Идентификатор DOI: 10.3103/S106287381911008X

Аннотация: Abstract: The possibility of distinguishing layer boundaries through lithological and geochemical indicators (Rb/Sr ratio) is shown by a case study of bottom sediments from Lake Kucherlinskoe (Altai). Based on the data from scanning synchrotron radiation–induced XRF microanalysis and isotope studies, a record of the Tunguska event Показать полностьюof 1908 is found in the bottom sediments of Lake Zapovednoye, forty kilometers from the explosion’s epicenter. An anomalous layer in the sediments is associated with an increase in the terrigenous drift in the catchment area due to massive forest outfall and subsequent fires. The possibility of a targeted search for microparticles of extraterrestrial origin in lake sediments is demonstrated. © 2019, Allerton Press, Inc.

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Издание

Журнал: Bulletin of the Russian Academy of Sciences: Physics

Выпуск журнала: Vol. 83, Is. 11

Номера страниц: 1437-1440

ISSN журнала: 10628738

Издатель: Pleiades Publishing

Персоны

  • Darin A.V. (Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation)
  • Babich V.V. (Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation)
  • Kalugin I.A. (Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation)
  • Markovich T.I. (Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation)
  • Rogozin D.Y. (Institute of Biophysics, Krasnoyarsk Science Center, Siberian Branch, of Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation)
  • Meidus A.V. (Tungusky State Nature Reserve, Vanavara, 648490, Russian Federation)
  • Darin F.A. (Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Science, Novosibirsk, 630090, Russian Federation)
  • Rakshun Y.V. (Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Science, Novosibirsk, 630090, Russian Federation)
  • Sorokoletov D.S. (Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Science, Novosibirsk, 630090, Russian Federation)

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