| 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 | 07029 | |
| Number of page(s) | 6 | |
| Section | Geochemistry of Natural Waters: From Atmospheric Precipitations to Deep Brines | |
| DOI | https://doi.org/10.1051/e3sconf/20199807029 | |
| Published online | 07 June 2019 | |
Hydrogeochemistry of thermal waters of the Baikal Rift, South-Eastern Tuva, Russia
1
National Research Tomsk Polytechnic University, 30 Lenina Avenue, Tomsk 634050, Russia
2
Tomsk Department of the Trofimuk Institute of Petroleum-Gas Geology and Geophysics of Siberian Branch of the Russian Academy of Sciences, Tomsk 634055, Russia
3
Research Institute of Medical and Social Problems and Management of the Republic of Tuva, 48 Lenina Avenue, Kyzyl 667000, Russia
* Corresponding author: ashest91@mail.ru
The spa resort of the Ush-Beldir is located in the south-eastern part of the Tuva region, Russia in the zone of influence of the Baikal rift. The Ush-Beldir territory has about 10 thermal springs and 4 exploration wells used for treatment and prevention of diseases. Hydrological and hydrochemical features of the thermal groundwaters are considered. The studied waters are thermal (T=50–83°C), alkaline (pH=9.3–10), low mineralized (TDS<370 mg/L) Na–НСО3 waters with a high content of SiO2 (up to 125 mg/L) and F (up to 14 mg/L). The correlation of F- with SiO2, НСО3–, Cl-, Na+ as well as the calculation of saturation indices of minerals, allows one plausible solute source for these thermal waters, viz. the dissolution of rock-forming aluminosilicates, most likely plagioclase, gabbro and/or amphiboles in shales.
© The Authors, published by EDP Sciences, 2019
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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