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矿床所处的地球化学背景不同,其标志性伴生元素的特征异常值也不同。但元素的原子结构、矿物结构及其能量特征是基本不变的,在成矿过程中发生活化、迁移所表现出的相对活动性也基本不变。通过研究矿区中相关元素的富集中心差异关系,可预测另一些元素隐伏的富集中心,这就是本文提出的中心差异向量法。该方法对四川拉拉铜矿12个元素中心差异向量计算结果,已为钻探工作证实。表明该方法是一具有实际意义的地球化学找矿方法。
The geochemical background of the deposit is different, and the characteristic anomalous values of its landmark associated elements are also different. However, the atomic structure, mineral structure and energy characteristics of elements are basically the same, and are activated during the mineralization process, and the relative mobility shown by the migration is basically unchanged. By studying the differences between the enrichment centers of relevant elements in the mining area, the hidden centers of enrichment of other elements can be predicted. This is the central difference vector method proposed in this paper. This method calculates the difference vector of 12 element centers in Lala copper deposit in Sichuan province and has been confirmed by drilling. It shows that this method is a practical geochemical prospecting method.