区域经历了多阶段的强烈构造运动，而几乎每一次重要的地壳构造运动，都有相应的岩浆岩形成，具有多旋回岩浆活动特征。
Areas of experience and strong tectonic movement and almost every important crust tectonic movement, have corresponding magmatite, polycyclic magma activity.
作者提出了一个变质地质体在一次变质—变形旋回中构造演化的理想模式。
According to this analysis, an ideal model of geological evolution in a metamorphic -deformation cycle is suggested.
华北晚古生代经历了3次大的海平面升降旋回，不同海侵事件在研究区内留下了不同的沉积纪录。
During the Upper Paleozoic in Huabei there were 3 main times of sea level eustacy which caused different deposits in research area.
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