The Paleoproterozoic Wangjiahui granitoid intrusion, west segment of Wutai mountains, consists mainly of quartz monzodiorite, granodiorite, monzogranite and adamellite.

• 五台山西段王家会古元古代花岗岩侵入体主要由石英二长闪长岩、花岗闪长岩和二长花岗岩组成。