构造侵位(tectonic emplacement)又称冷侵位、非岩浆侵位。一般指构造作用下蛇绿岩在地缝合带中的就位。构造侵位有两种方式:①俯冲侵位,指俯冲过程中被上驮板块剥落的洋壳残片添加于增生杂岩中;②仰冲侵位,指巨大的洋壳岩片逆冲于大陆边缘或岛弧之上。
结果表明表明凤凰山岩体NNE向水平左旋剪切应力及重力的联合用用下呈气囊膨胀式同构造侵位的机制。
The results indicate that the pluton was of syntectonic balloon_like emplacement mechanism under the force of NNE_trending sinistral ductile shear and gravity.
花岗质岩浆的上升、侵位机制除取决于岩浆与围岩的流变性质外,也受构造环境的制约。
The emplacement mechanism for granitoid, magmas is determined by rheological behaviour of the magma and the host rock as well as the tectonic, environment.
岩石属于大陆板内张性构造环境下高侵位形成的壳源重熔型花岗岩类。
The rocks are crustal remelting, shall level granites formed in a within-plate tensional tectonic environment.
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