Microanalytical study of varves in the recent sediments of Lake Bele

The inner structure of varves in the recent sediments of Lake Bele, Khakassia, is studied via X-ray fluorescence microanalysis at the Siberian and Shanghai Centers of Synchrotron Radiation. Similar experimental conditions apply in both cases: excitation energy, 20–22 keV; size of exciting radiation...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2015, Vol.79 (1), p.131-133
Main Authors: Darin, A. V., Kalugin, I. A., Rakshun, Ya. V., Guoqiang, Chu, Qing, Sun, Darin, F. A., Sorokoletov, D. S., Rogozin, D. Y.
Format: Article
Language:English
Subjects:
Hadrons
Heavy Ions
Nuclear Physics
Physics
Physics and Astronomy
Proceedings of the 20th National Conference on the Use of Synchrotron Radiation “SR-2014” and the National Youth Conference “Using Synchrotron Radiation”
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Summary:The inner structure of varves in the recent sediments of Lake Bele, Khakassia, is studied via X-ray fluorescence microanalysis at the Siberian and Shanghai Centers of Synchrotron Radiation. Similar experimental conditions apply in both cases: excitation energy, 20–22 keV; size of exciting radiation spot, 80–100 μm; scanning step, 100 μm. The dates determined for marking layers coincide. The experimental results shed new light on the geochemistry of sedimentation processes and help estimate the current sedimentation rate.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873815010128