K. Modis, K. Komnitsas, " Optimum sampling density for the prediction of acid mine drainage in an underground sulphide mine," in Proceedings of International Mine Water Association Symposium(IMWA'07),May, pp. 99-103.
https://doi.org/10.1007/s10230-007-0014-4
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.