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本文根据赣中南及邻区地壳早期物质的不均匀性,U、W、Sn、TR、Nb、Ta等与壳型花岗岩有关的成矿元素的地球化学的差异性,建立了产铀与产钨花岗岩类岩石化学数值的多元线性判别函数,据此能准确、有效地判别产铀岩体与产钨、稀土、铌钽岩体,对这些岩体还可进行二级判别。同时对判别壳源型花岗质火山-侵出岩(碎斑熔岩)的产矿性,区分加里东期交代花岗岩及混熔过渡型产铜花岗岩也适用。
Based on the heterogeneity of early crustal materials in the central, southern and adjacent areas of Jiangxi, and the geochemical differences of ore-forming elements such as U, W, Sn, TR, Nb and Ta related to shell granites, The multivariate linear discriminant function of the chemical values of granitoids rocks can accurately and effectively discriminate between uranium-bearing rocks and tungsten-producing, rare earth and niobium-tantalum rock bodies. These rock masses can also be second-order discriminant. At the same time, it is also applicable to discriminate the ore-producing characteristics of crust-derived granitic volcanic-intrusive rocks (crust lava), and to distinguish the Caledonian metasomatic granite and the mixed-transition transitional copper-bearing granite.