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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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庄户洼河床剖面雾迷山组中的液化卷曲变形(类似的变形在雾迷山组白云岩中比较普遍,并且同一层位中这样的卷曲变形通常上强下弱,反映下部固结程度高、液化弱图) |
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