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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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丘—槽构造与板刺状角砾构造共生(庄户洼河床剖面附近) (照片中心的丘体形成于下部的板刺状角砾层之上,长110cm,高30cm,丘体内部的白云岩中含有较多的板刺状角砾,丘的顶层亦由板刺状角砾层构成) |
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