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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
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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
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Su Dechen 1,2, Sun Aiping 1,2
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庄户洼河床露头剖面及附近所见的液化底辟(A—位于河谷剖面上部( 图3 -L);B—位于庄户洼河床剖面北200 m公路旁,形成底辟的主要为深色的硅化白云岩) |
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