Specific conditions of transition of mineral economy, due to the strategic importance of mineral resources for the development of economy and society, requiring a number of significant activities in the field of mineral and raw material base and functioning of the mineral sector. In this process of systemic transformation in the conditions of market functioning and economic activity, particularly come to the fore basic physical character of mineral resources, then their non-renewability and limits, and the needs of modern management in accordance with the concept of sustainable development. Expert economic evaluation is a particularly important tool for the market evaluation of mineral reserves of the country, but also to define the necessary operational and strategic activities in the mineral sector. It has significant advantages both in terms of the contemporary approach to defining the market value of the mineral reserves and the reliability of evaluation, and potential applications for decisions in the field of geological exploration, exploitation, preparation and processing of mineral raw materials and their market valuation. The data obtained, which have geological character and express the essence of economic mineral resources are especially important for the further improvement of the transitional of mineral economy and mineral sector activities in the upcoming development period.