Talc is a unique natural material. Some talc-bearing rocks, e.g. soapstone, are also useful minerals. There are talc deposits on the Fennoscandian Shield. The main potential talc resources and reserves are in the Karelian Craton, which is part of the shield. Talc deposits in the Finnish extension of the craton are being mined in the Kainuu Schist Belt and soapstone deposits in the Suomussalmi-Kuhmo Greenstone Belt. The Karelian portion of the craton seems to be more promising for talc-bearing deposits, because favourable rock complexes of greenstone belts are more common there. The revival of Karelia’s economic, scientific and industrial potential for the prospecting, exploration, study, appraisal and exploitation of the talc deposits could provide an impetus to Russsia’s and Karelia’s industrial development on a new higher level.
Ultramafic rocks of the Aganozero chromium ore deposit located in South Karelia are of practical interest as a high-Mg raw material for industrial application. The preliminary results of the study of high-Mg rocks and minerals from the Aganozero deposit for the production of new materials are reported. The high technological level and economic efficiency of the ceramic materials produced, based on Karelia’s high-Mg rocks and industrial minerals, were achieved by reducing energy consumption and simplifying the technological process. The practical application of local types of mineral products will increase the raw materials potential for the production of various types of refractories and industrial ceramics.
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