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Chemistry for Sustainable Development

2012 year, number 1

Formation Dynamics and Ore-Generating Potential of Mineralized Lakes in Transbaikalia and Northeastern Mongolia

O. A. SKLYAROVA1, E. V. SKLYAROV2, YU. V. MENSHAGIN2 and M. A. DANILOVA2
1 Vinоgradov Institute of Geochemistry, Siberian Branch of the Russian Academy of Sciences,
Ul. Favorskogo 1a, Irkutsk 664033 (Russia)
oly@igc.irk.ru
2 Institute of the Earth’s Crust, Siberian Branch of the Russian Academy of Sciences,
Ul. Lermontova 128, Irkutsk 664033 (Russia)
Keywords: mineralized lakes, microelement composition, Transbaikalia, Northeast Mongolia
Pages: 29–35

Abstract

Small lakes of Transbaikalia and Northeastern Mongolia united in five systems – Barguzin, Eravnoye-Gusinoozersk, Ingoda, Onon-Borzya and Eastern Mongolian – are characterized. Within the boundaries of the systems, the lakes are assorted in compact groups characterized by common chemical composition and type of geochemical evolution. Ground and surface waters feeding the lakes are characterized. On the basis of the examination of the microelement composition of lake sources (about 200 lakes) and ground waters (more than 100 sources, wells and holes), the elements concentrating during evaporation of lake waters were distinguished. The outlooks of the use of small lakes as a kind of liquid ore for the industrial extraction of some metals (Li, U, REE etc.) are considered.