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矿床空间分布模式以及未发现矿床数的估计是矿产勘查与预测评价中极其重要的部分(Singer and Menzie,2005)。矿床的空间分布模式一直也是地质学家所争议的问题,前人提出了几种具有代表性的矿床空间分布模型,如:泊松分布(Allais,1957)、负二项分布(Griffiths,1962)、Neyman-Scott分布、分形丛集分布(Carlson,1991;Agterberg,1993;Raines,2008;Carranza,2009,2010;Zuo et al.,2009a,
The spatial distribution patterns of deposits and the estimation of the number of undiscovered deposits are extremely important parts of mineral exploration and prediction (Singer and Menzie, 2005). The spatial distribution pattern of the deposit has also been a controversial issue for geologists. Some representative models of spatial distribution of mineral deposits have been proposed, such as Poisson distribution (Allais 1957), negative binomial distribution (Griffiths 1962) , Neyman-Scott distribution, fractal cluster distribution (Carlson, 1991; Agterberg, 1993; Raines, 2008; Carranza, 2009, 2010; Zuo et al., 2009a,