Archean metamorphic rock, mainly by amphibolite facies of the plagioclase biotite gneiss, amphibolite plagioclase gneiss, biotite change granulite and plagioclase amphibolite, and other components.

• 太古宙变质岩石，主要由属于角闪岩相的黑云斜长片麻岩、角闪斜长片麻岩、黑云变粒岩和斜长角闪岩等组成。