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.
前三个阶段反映了榴辉岩相变的主要过程。后一阶段,反映了榴辉岩在地壳浅部层次绿岩相环境下遭受轻微的叠加改造。