%0 Journal Article %T Geochemistry and Mineralogy of Organic-Mineral Bottom Sediment of Small Lakes in the Middle Mountains of the Russian Altai: A Case Study of the Chibitka Lake System %A Ovdina, E.A. %A Strakhovenko, V.D. %A Malov, G.I. %A Malov, V.I. %K sapropel, small lakes, nival type of lithogenesis, authigenic minerals, Russian Altai %J Russian Journal of Earth Sciences %D 2025 %N 25 %P 0 %I Geophysical Center of the Russian Academy of Sciences