Institute of Geology, Karelian Research Center, Russian Academy of Sciences, Petrozavodsk, Russia:

P. V. Medvedev, Senior Researcher, Candidate of Geologo-Mineralogical Sciences
N. I. Kondrashova, Researcher, Candidate of Geologo-Mineralogical Sciences, kondr@krc.karelia.ru

The article gives a brief review of carbonate raw materials represented by deposits of marble, limestone and dolomite, as well as their potential application ranges in the Republic of Karelia. The history of Karelian decorative stone (marble) is presented in short. The famous Karelian dimensions stone history started in the 18th century from development of Belogorsky and Ruskealsky marble. The geological description of the Karelian marble, limestone and dolomite deposits discussed in the article is given. The mineralogical and chemical composition of carbonate rocks from the most promising deposits—Chirko-Kem (Lanets site) and Pyalozero—is characterized. Aside from traditional use of carbonates for production of refractory materials for metallurgy, or lime for construction and soil liming, while quartz-free varieties of dolomite—pr production of magnesian binder and for fluxing of iron ore pellets, it is suggested to study usability of Karelian carbonates for water purification from heavy metals. This will required additional geochemical and mineral analysis of Karelian carbonates.

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