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变质作用的主要过程。一阶段，反映了榴浅部层次绿片环境下遭受轻微的叠加改造。