open pit coal production cost component

ESTIMATION OF CAPITAL COSTS FOR ESTABLISHING COAL MINES 2.5.2. End product unit technique 31 2.5.3. Physical dimension technique 31 2.5.4. Capacity factored estimates 32 2.5.5. Parametric estimating techniques 33 2.6. Mining cost indices 35 2.7. Capital intensity 36 2.8. Cost estimation in mining 38 2.9. Capital cost estimation in open pit mines 39 2.10. Concluding remarks 40 3. METHODOLOGY 42 3.1

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open pit coal production cost component Working Principle

MINING GREECE COALAll kinds of coal (turf – lignite – sub-bitumenous coal) that can be found in Greece are of Cenozoic age and have been deposited in inland or coastal basins. 84% of the lignite-bearing basins are of Neogenic age, 9% of Quaternary age and 7% of Eocene/ Oligocene age.Open-Pit Mining MethodsOpen-pit mining methods are applicable to mining ore deposits that apex at or near the surface. If the deposit apexes below the surface, the overburden and barren capping overlying the ore must be removed in advance of open-pit mining. The removal of this material is known as stripping. The stripping-pit limits must be extended beyond the limits of the ore pit to provide a bench, and the pit

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