| Issue |
E3S Web Conf.
Volume 98, 2019
16th International Symposium on Water-Rock Interaction (WRI-16) and 13th International Symposium on Applied Isotope Geochemistry (1st IAGC International Conference)
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|---|---|---|
| Article Number | 01045 | |
| Number of page(s) | 6 | |
| Section | Geological Evolution of Water-Rock System: Mechanisms, Processes, Factors, Stages. The Session Dedicated to Stepan Shvartsev’s Memory | |
| DOI | https://doi.org/10.1051/e3sconf/20199801045 | |
| Published online | 07 June 2019 | |
Water–rock interaction within the oligotrophic peat bog (part of the Vasyugan Swamp, Western Siberia)
Tomsk Polytechnic University, School of Earth Sciences & Engineering, Department of Geology, 634050 Lenina ave 30, Russia
* Corresponding author: osavichev@mail.ru
Geochemical conditions of the formation of various minerals were studied within the oligotrophic pine-shrub and sphagnum peat bog. It was shown that at least two complex barriers function within the peat deposit. These barriers correspond to the changes in the advective and diffusion transfer of substances and promote the immobilization of Fe and a number of other chemical elements. The upper complex geochemical (redox, sulfide and sorption) barrier occurs approximately at the depths of 0.40 to 1.25 m. The lower complex geochemical (alkaline and sorption) and mechanical barriers are located at the bottom part of the peat deposit (the depth of 2.25–2.50 m).
© The Authors, published by EDP Sciences, 2019
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