International scientific journal

ISSN: 2663-0419 (electronic version)

ISSN: 2218-8754 (print version)

International scientific journal

ISSN: 2663-0419 (electronic version)

ISSN: 2218-8754 (print version)

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Isotops of gases and waters in the thermal-mineral springs of Azerbaijan and interpretation of research results

Yu.G.Israfilov, V.Yu.Lavrushin

1 – Institute of Geology and Geophysics of Azerbaijan National Academy of Sciences, AZ1143, Baku, H.Javid av., 119

2 – Geological Institute of Russian Academy of Sciences, Pyzhevsky lane 7, Moscow 119017

Summary

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In the territory of Azerbaijan Republic there are encountered practically all known main types thermo-mineral waters for their gas composition: nitrogen, methane, hydro-sulphurous and carbonate. Certain tendency is noted in distribution of those: the springs with presence of hydro-sulphurous gases are localised primarily on the southern slope of Greater Caucasus in the areas of outcrops of the early-middle jurassic shale beds. In the coastal parts of south-Caspian basin constrained from the direction of Greater Caucasus by a system of overthrust structures, the only encountered mineral springs are of methane type. Whilst in the south regions of Azerbaijan are located the areas of development of the carbonate, primarily cold, waters within the boundaries of Lesser Caucasus, and nitrogen and nitrogen-methane thermal springs in Talysh. The formation of component composition of thermomineral waters occurs with the extremely contrasting geological circumstances in the background. To determine the role of various substance sources in composition of the water phase, salt and gaseous composition we have done testing of an isotopic composition gas-water medium of the thermo-mineral water manifestations at the Greater, Lesser Caucasus and Talysh. The obtained results allowed assessing the role of atmogenic, crustal and magmatogenic-metamorphogenic components in formation of gas-water medium of individual groups and thermal springs of Azerbaijan.