1. They were exhumed upto the surface together with the Dabie complex after they were metamorphosed into eclogite at depth.During exhumation eclogite underwent different degrees of retrometamorphism.
   在深部变质形成榴辉岩后又随大别杂岩一起被抬升到地表，在抬升过程中经历了不同程度的退变质作用。
2. 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质作用的主要过程。后一阶段，反映了榴辉岩在地壳浅部层次绿片岩相环境下遭受轻微的叠加改造。

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