Economic Evaluation of Mineral Extraction Projects from Fields of Exploitation During Operational Periods

The exploitation of minerals from fields can be treated as a separate investment project. Three stages such project should considered during the decision-making process, preparation field for exploitation, acquisition raw materials and liquidation following mining activities. During implementation these various stages, evaluation economic efficiency static dynamic methods are taken into account in each stages. An essential element is also risks connected with investment, this quantitative measure uncertainty achieving specific objectives. bases correct calculation include: proper input data, including technological aspects. This article highlights necessity an concerning operational periods due to their recognition higher categories ever changing conditions. Such changes analysed systems. initial value takes consideration time money proposed criterion evaluation. Income expenditure, which correspond liquidity company, assumed basis calculation. Net present presented sum values regarding period, liquidation.