Mineralogy and geochemistry suggest that the Shipingchuan K-feldspar granite intrusion is a highly fractionated I-type granite.
矿物组成及地球化学特征显示石平川岩体为高演化I型花岗岩。
This has significant implications for TTG petrogenesis, I-type granite origin and continental crust evolution.
这对TTG岩石的成因、I型花岗岩的形成以及陆壳成分的演化都有着重要的意义。
The Fe content of Qinling rock body is relatively lower, only 0.62. The petro-geochemical for determining the genesis not only has A-type, but also has I-type granite characteristics.
秦岭地区的岩体铁指数相对较低，只有0.62，岩石成因类型的地球化学判据既有A型也有I型花岗岩特征。
The Fe content of Qinling rock body is relatively lower, only 0.62. The petro-geochemical for determining the genesis not only has A-type, but also has I-type granite characteristics.
秦岭地区的岩体铁指数相对较低，只有0.62，岩石成因类型的地球化学判据既有A型也有I型花岗岩特征。
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