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传统的矿石储量分级是以概念化的术语描述进行定性分级；而克立格法不但给出了待估块的品位，并且给出了估计方基，因此，应用克立格法进行矿石储量分级是一种可行的定量分级方法．本文给出了基于克立格法的矿石储量定量分级判据以及江西城门山铜矿储量分级的研究实例．
The traditional classification of ore reserves is qualitatively described by conceptual terminology. Kriging not only gives the grade of the block to be estimated, but also gives an estimation of the square root. Therefore, the classification of ore reserves by Kriging is A Feasible Quantitative Classification Method. This paper gives examples of quantitative classification of ore reserves based on Kriging method and the classification of reserves of Chengmenshan copper deposit in Jiangxi Province.