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1·Types of metamorphic rocks: regional metamorphism, contact metamorphism and dynamic metamorphism.

变质岩 类型：区域变质、接触变质和动力变质。

2·They are probably related to the subduction of the Paleo-Asia Oceanic plate, and their intrusion resulted in the contact metamorphism of the Majiajie Group.

它们的形成可能与晚古生代古亚洲洋的消减作用有关，该期花岗岩的就位导致马家街群发生了接触变质作用。

3·There is a complete metamorphic series of coal from lignite to meager coal in Wumuchang area, Yimin, the main metamorphism type is contact metamorphism of coal.

伊敏五牧场区存在着从褐煤到贫煤完整的变质系列，其主要煤变质类型为接触变质。

4·Leave the talent center, breathe active air does not contact the change rapidly trend, our knowledge will taste like stale, stagnant metamorphism.

离开了人才荟萃的中心，呼吸不到思想活跃的空气，不接触日新月异的潮流，我们的知识会陈腐，趣味会像死水一般变质。

5·Fangniushan quartzite series consist of coarse terrigenous clastic rock which has been suffered the metamorphism of low green schist facies, contact lines of its top and base are distinct.

放牛山石英岩系为经低绿片岩相变质的粗陆源碎屑岩。顶、底界线清晰，与下伏太古宙变质花岗岩系及上覆中元古界熊耳群均呈角度不整合接触。