The Archaean rocks widely exposed in the area studied belong to the Qian-xi Group of granulite facies, including granulite, charnockite, pyroxene(and/or amphibole)-plagioclase gneiss, amphibolite and so on.

• 研究区内广泛出露的太古代岩石属于迁西群麻粒岩,包括麻粒岩、紫苏花岗岩、辉石-斜长片麻岩、角闪岩等。