lower series of Cretaceous Shahezi Formation ((K_(1)sh),) Yingcheng Formation (K_(1)y), Dayangcaogou Formation (K_(1)d), Quantou Formation ((K_(1)q)) and the Quaternary period (q).

• 白垩系下统沙河子组(K1sh)、营城组(K1y)、大羊草沟组(K1d)和泉头组(K1q); 第四系(Q)。