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Optimum sampling density for the prediction of acid mine drainage in anunderground sulphide mine

Modis Konstantinos , Komnitsas Konstantinos

Πλήρης Εγγραφή

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Περίληψη

Information theory allows one to define an optimal sampling density. Sampling above this critical frequency adds very littleaccuracy to the mapping results. We demonstrate the establishment of a critical sampling grid for the Stratonion mixed sulphidemining area in Chalkidiki peninsula, Greece, and the extraction of maximum information; the data used was derived from a previoussampling campaign carried out to estimate ore reserves and predict the net neutralization potential (NNP) of the rock formations.A structural analysis of NNP values generates a variogram model that can be used to define the optimum sampling grid.

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