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According to the evaluation practice minerals deposits have different levels of geological and feasibility study, so discounts is not only a tool for multi-temporal cash flows, but also an important tool for geological risks assessment. Thus, the determination of the discount rate should be based not only on the economic conditions for management of the mining enterprise, but also on level of geological knowledge, probability of reserves evaluation. Practical use of the discount parameters affects the commercial v...

Oxidized ferruginous quartzites are located within BIF deposits of the Precambrian iron-siliceous formation. They form thick layers, which overlap magnetite quartzite varieties - basic minerals for mining and processing enterprises. Oxidized ore bodies are located in the lower parts of section of weathered rocks and their thickness varies from the first tens to hundreds of meters increasing from north to south along the Kryvyi Rih structure. Main questions of commercial significance definition of oxidized ferrugin...