Zongpu Group is distributed over the Shihuigou area, and consists of medium--basic volcanic rocks, volcanic clastic rocks interbedded with cherts, limestone, slate and metamorphic sandstone.

• 永登石灰沟一带奥陶系主要分布中堡群，其主要为中基性火山岩、火山碎屑岩夹硅质岩、大理岩、板岩及变质砂岩。