Abstract: This paper makes a correlation between the Lower Proterozoic Jingshan Group and Fenzis-han in the Jiaobei area in respect to rock associations ,trace elements,isotopic age data and re-gional geology,and analyzes their differences in metamorphism,ore potentialities,tectonic sylesand basal rock associations.Aview that both were formed at the same time but at the differentplaces.