The former three stages reflect the major process of eclogite facies metamorphism and the latest stages the light overprinting of greenschist facies retrometamorphism at the shallow level of crust.
前三个阶段反映岩相变质作用
主要过程。后一阶段,反映
岩在地壳浅部层次
片岩相环境下遭受
叠加改造。