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.

前三个阶了榴辉岩相变质作用过程。一阶，了榴辉岩在地壳浅部层次绿片岩相环境下遭受轻微叠加改造。