HYDROGEOCHEMICAL FEATURES OF THE NORTH-WESTERN REGIONS OF THE TORGAY DEPRESSION IN RESPECT OF THE SEARCH FOR DEPOSITS OF STRATEGIC METALS
Medeshova N.A. Novikov D.A. Auelkhan E.S. Tasbolat A.R. Miniskul S.D.
2025National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2025#2025Issue 3120 - 138 pp.
Prospecting works are among the most important stages of geological exploration campaigns. Hydrogeochemical features of 10 prospecting sites in the north-western regions of the Torgay depression are considered in the present work. Results. The groundwaters of the region under investigation are diverse, both in their salinity and in chemical composition. The occurrences of salt waters (TDS more than 10 g/dm3) originate from continental salination, as the region under study has arid climate. In general, the dominating chemical composition of the waters is HCO3-Cl Ca-Mg-Na, SO4-HCO3-Cl Na-Ca-Mg and SO4-Cl-HCO3 Ca-Mg-Na. The elements most frequently occurring in the waters are Cu, Zn, Bi, Sn, Cr and Pb, the presence of Be, As, V, Co, Mo. Scientific novelty. ― for the first time, the characteristics of zonal and local hydrogeochemical were established. ― the greatest concentration of Bi, As, Mo, Cu and Zn was detected in the waters, the most contrasting hydrogeochemical anomalies were recorded for Cu, Zn, Sn and Bi; ― for the first time, the parameters of the concentration coefficient (CF) of Be, Pb, Sn, Bi, Mo, V, Cu, Zn, Co, Cr and the standardized contrast coefficient (SCF) of Be, Pb, Sn, Mo, V, Cu, Zn, Ag, Co, Cr in the groundwater of the exploration areas were calculated. Practical value. The results provide a significant contribution into advancement of the fundamentals of hydrogeochemical methods for the search of strategic metals in Kazakhstan.
anomaly , background , hydrogeochemical prospecting , standardized contrast factor , the Torgay depression
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Institute of geological sciences named after K.I. Satbayev, Almaty, Kazakhstan
Kazakh National Research Technical University named after K.I. Satbayev, Almaty, Kazakhstan
Trofimuk Institute of Petroleum Geology and Geophysics SB RAS, Novosibirsk, Russian Federation
Almetyevsk State Technological University “Petroleum High School”, Almetyevsk, Russian Federation
Institute of geological sciences named after K.I. Satbayev
Kazakh National Research Technical University named after K.I. Satbayev
Trofimuk Institute of Petroleum Geology and Geophysics SB RAS
Almetyevsk State Technological University “Petroleum High School”
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