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康滇地区基性超基性岩体,可划分为镁质超基性岩、镁铁质、铁质、富铁质基性超基性岩、碱性超基性岩和含铬镁铝榴石煌斑岩等六大类。各类基性岩岩石化学特征互不相同,并呈有规律的变化,Mg、Cr、Ni渐减,Fe、Ti、Al、Ca、Na、K、P渐增。此种岩石化学成分的差异决定了各类基性超基性岩不同的成矿专属性,矿体在岩体中的成矿部位并受岩浆化学成分演化过程的控制。
The mafic ultramafic rocks in the Kang-Dian area can be divided into magmatic ultramafic rocks, mafic, iron, iron-rich base ultrabasic rocks, alkaline ultrabasic rocks, Shi Huang porphyry and other six categories. The petrochemical characteristics of all kinds of basic rocks are different from each other, and show regular changes. The contents of Fe, Ti, Al, Ca, Na, K and P increase gradually. The differences in chemical composition of these rocks determine the different metallogenic peculiarities of various basic ultrabasic rocks. The metallogenic parts of ore bodies in the rock mass are controlled by the evolutionary process of magmatic chemical composition.