The problems of the calculation of the minimal industrial maintenance for complex ores of nonferrous metals are considered. Then the calculation of the minimal industrial maintenance of nickel according to different formulas for the technical-economic basis of exploratory conditions of concrete ore deposits and the analysis of results were carried out.
The technological scheme of ore processing at the Norilsk Concentrator is considered. The necessity to build a new enrichment plant is demonstrated. The economic efficiency of construction and operation of the new Norilsk Enrichment Plant was calculated. The financial and economic results were analyzed.