Abstract:This paper analyzes the mode of occurrence and mineral chemical , petrochemical and element geochemical characteristics of eclogite in the Dabie Mountains area. The data show that e- clogite in the study area underwent ultrahigh-pressure metamorphism together with its surrounding rocks , but chemical compositions of eclogite show certain differences from those of the latter. The eclogites show geochemically charcacteristics of both continental and oceanic basalt. Most of the rocks might be originally fragments of oceanic rocks introduced during plate subduction. 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.