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大陆地壳发生拆沉(Delaminayion)过程之证据R.Meissner70年代提出了岩石圈拆沉之假说,其主要证据是:(1)岛弧似乎是构成大陆地壳的主要部分.(2)岛弧是基性的.(3)今天的大陆地壳是中性或酸性的,这意味着它丧失了某些基性成分.片麻...
Evidence of the Delaminayion process in the continental crust. The main evidence that Meissner proposed in the 1970s is: (1) The island arc seems to form a major part of the continental crust. (2) Island arc is basic. (3) Today’s continental crust is neutral or acidic, which means it loses some of its base constituents. Chipma ...