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对黑龙江省８４个砂金、７个岩金样品的化学成分进行了研究。通过Ｒ型聚类分析，探讨了不同元素之间的相关性及其地质意义。通过Ｑ型聚类分析将所有样品进行了分类，探讨了砂金样品与已知岩金样品之间的成因联系，并对砂金的可能原生金源的剥蚀程度进行了估计。
The chemical composition of 84 gold and 7 gold samples from Heilongjiang Province was studied. Through R-type cluster analysis, the correlation between different elements and their geological significance are discussed. All the samples were classified by Q-type cluster analysis. The genetic relationship between the gold samples and the known gold samples was discussed. The degree of denudation of possible gold sources was estimated.