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地质通报  2004 

开合构造环境下花岗岩体的构造样式与变形差异

, PP. 246-249

Keywords: 花岗岩体,构造样式,变形差异,开合构造

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Abstract:

传统研究认为,大量花岗岩体的侵入发生于区域性伸展环境,是碰撞造山后应力松弛阶段侵位的,称之为造山后或非造山侵入体。近年来,对造山带和古岩浆弧的深入研究发现,花岗岩不但可以侵位于伸展构造环境,也可侵位于挤压构造环境(同构造侵入体),两者在三维空间形态、宏观尺度、露头尺度、显微尺度上的构造样式与变形往往是不同的。区分2类不同构造样式的岩体,对于分析区域构造和造山带演化有着重要的意义。

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