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报道了8种花岗岩的金属元素含量，并比较了不同品种花岗岩的金属元素含量的差异，结果发现它们分别呈现非常显著性差异、显著性差异和无显著性差异。花岗岩中铅的含量很高，镉的含量也较高，故使用时应加以注意。
The contents of metal elements in eight kinds of granites were reported and the differences in metal element contents among different types of granites were compared. The results showed that they showed very significant difference, significant difference and no significant difference respectively. The high content of lead in granite, cadmium content is also high, it should be used with caution.