Its petrology, petrochemistry and geochemistry feature show the intrusive is post - collision and strongly - peraluminous granite.
2
这些碱长花岗岩在成因类型上属a2型，形成于后碰撞的张性环境中。
The alkali feldspar granites studied belong to A2 on petrogenetic type, and should be formed in a post-collisional tensional environment.
3
两类花岗岩的稀土元素地球化学特征明显不同，这与其所处的不同后碰撞构造演化阶段密切相关。
The characteristics of two types of granites are different, since A type and I type granites which formed at different stage of the post-collisional period.
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