The metamorphosed and deformed tonalites are distinguished from the Archaean metamorphic strata (Jiaodong Group) by geological mapping(maP scale 1:50000)in the Qixia area.

• 通过1:5万栖霞幅地质填图,在太古界胶东群变质地层中划分出了经过变质变形的英云闪长岩体。