板块俯冲碰撞理论曾是花岗岩构造动力学、地球动力学研究的主线。
Subduction and collision theory of Plate tectonics is a basement of the study of granite tectonic dyna mics and geodynamics.
岩石学、岩石化学、地球化学特征反映该岩体属后碰撞强过铝花岗岩。
Its petrology, petrochemistry and geochemistry feature show the intrusive is post - collision and strongly - peraluminous granite.
双合岩体形成于板块碰撞同期，属S型花岗岩；
The Shuanghe pluton is S-type granite and formed in the zone of the intercontinental collision.
碰撞造山花岗岩源于陆壳的局部熔融，具有锡钨成矿专属性。
The collisional orogenic granites were originated from the partial melting of the continental crust, and thus have the metallogenic specialization of tin and tungsten.
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.
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.
岩石地球化学资料表明，该岩体与碰撞后型花岗岩相似。
The geochemical data shows that the rock mass is similar to post-collision type granite.
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.
花岗岩类记录了祁连地块与秦岭地块碰撞的重要证据。
The important evidence of plates collision of the granitoids are recorded between Qilian and North Qinlingin.
花岗岩类记录了祁连地块与秦岭地块碰撞的重要证据。
The important evidence of plates collision of the granitoids are recorded between Qilian and North Qinlingin.
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