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UP-TO-DATE METHODS AIMED AT OPTIMUM MINING TECHNOLOGY SELECTION IN LIGNITE OPEN-PITS FROM THE ROMANIAN OLTENIA BASIN
Abstract
Within the lignite deposits located in the Oltenia coal basin, frequent sand bands are emerging, carriers of signifi cant aquiferous horizons and complexes. The geological pattern induces an important variation of hydro-geological conditions along the deposit’s spreading, which in turn gives difficulties in mining technology selection. Determining the problem’s solution involves th e versions ranking from the strongest to the weakest, in relation to all the criteri a. Both maximum and minimum criteria can exist. In order to achieve a ranking output, magnitude coefficients were assigned to each criterion. With a view to decrease the subjec tive character of the selection, the criteria are homogenized, employing a normalization process.
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References2
Fodor, D. Open-pit mining of rock and mineral deposits, AGIR Publishing House, Bucharest, Romania, 2010.
Boyte, A. e.a. Considerations regardin g the main mining parameters correlation in Jilt Basin specific geological and mining c onditions, Mult-disciplinary International Scientific Symposium, Petroșani, Romania, 2006.
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