The sedimentary facies of Jianshangou bed and lower strata in Sihetun area can be correlated with those of Zhuanchengzi bed and lower strata in Yixian area.
The sedimentary facies of Jianshangou bed and lower strata in Sihetun area can be correlated with those of Zhuanchengzi bed and lower strata in Yixian area.
四合屯地区的尖山沟层及以下的沉积相与义县地区的砖城子层及以下的沉积相可对比。