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岩浆岩体侵入期、次的确定,是研究侵入体与岩浆作用的重要内容之一,它取决于对接触关系的研究。如所周知,岩浆岩体的接触关系分为侵入接触(intrustve contact)、过渡接触(transitional cont-act)及断层接触(fault contact)等。侵入接触关系
It is one of the important contents to study the effect of intrusion and magmatism on the determination of intrusion period and secondary magmatic rock mass. It depends on the study of the contact relationship. As we all know, the contact relationship between magmatic rocks is divided into intrusive contact (transitional cont-act) and fault contact (fault contact) and so on. Intrusive contact