本文讨论了有关：1）痕量元素地球化学背景值；

This paper discuss; on : 1. Geochemical background values of trace elements;

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但是，无论是主元素还是痕量元素地球化学特征，均不能用单一的岩浆成因模型得到解释。

However, neither major element nor trace element geochemical characteristics can be explained by a simp le model of magmatic origin.

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但是，无论是主元素还是痕量元素地球化学特征，均不能用单一的岩浆成因模型得到解释。

However, neither major element nor trace element geochemical characteristics can be explained by a simp le model of magmatic origin.

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