北京永定河谷中元古界雾迷山组软沉积物变形与古地震发生频率
苏德辰1,2, 孙爱萍1,2

Soft-sediment deformation and occurrence frequency of palaeoearthquake in the Mesoproterozoic Wumishan Formation,Yongding River Valley,Beijing
Su Dechen1,2, Sun Aiping1,2
图4 庄户洼河床露头上部白云岩层间的液化穿插现象( 图3 -Q,镜头向东)(A—全貌;B—放大图。成分不完全相同的白云石颗粒因液化而相互穿插,风化面上呈黄白相间)