Using the single zircon U-Pb technique,the authors have geochronologically investigated two glaucophane eclogites sampled from Gaoqiao and Chenjiadian in western dabie Mountain,which provide the age information of H P /L T (high pressure/low temperature)metamorphism and their Archean protolith.

The discovery of glaucophane greenschist facies rock mass in Lianyungang, northern Jiangsu;