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.
结合区域资料分析，该期岩体形成于碰撞造山后的拉张构造环境，属于后造山花岗岩。
Combined with regional data, the rock formed in the collision of post-orogenic extensional tectonic setting are post-orogenic granite.
应用推荐