A comparative study between simple kriging and ordinary kriging for estimating and modeling the Cu concentration in Chehlkureh deposit, SE Iran

Abstract

This paper presents a comparison of ordinary kriging and simple kriging estimation methods in Chehelkureh copper deposit, SE Iran. The sample data used in this study consist of exploration drilling data, suitably composited, and the dataset is irregularly spaced and has an almost lognormal distribution. Simple kriging produced a result that is “smoother,” and results show that simple kriging can be less accurate than ordinary kriging. The model obtained by ordinary kriging is more accurate, and future economic decision by ordinary kriging results was more reliable.