Abstract—
The paper presents recently acquired data on the chemical composition of mineral springs in the Pamirs (Firuza-MGU and Garm-Chashma) and the foothills of the Tien Shan (Tandykul, Obigarm, and Khodzhaobigarm) and discusses their geological settings. The first data are acquired on the trace-element composition of the waters of the springs. The calculated B/Cl, B/Br, and Li : Rb : Cs ratios are used to reproduce the origin parameters of mineral waters in the area. The paleotemperatures of the waters are evaluated by the Na–K geothermometer at 136 to 240°C and indicate that the waters were formed at significant depths. First data acquired on the δ18O and δD of the thermal waters indicate that these waters are most likely of meteoric provenance, with the insignificant deviation from the line of meteoric waters caused by overprinted processes.
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Translated by E. Kurdyukov
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Kireeva, T.K., Salikhov, F.S., Bychkov, A.Y. et al. Chemical Composition and Parameters of Formation of the Waters of Some Thermal Springs in Tajikistan. Geochem. Int. 58, 423–434 (2020). https://doi.org/10.1134/S0016702920030064
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DOI: https://doi.org/10.1134/S0016702920030064