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如何判断断层性质
更新时间: 2020-09-16 00:00:00  

1、根据断层面上的擦痕、阶步和断层两侧的拖拉褶皱判断;

2、根据断层两盘岩层的新老对比判断。

对于走向断层或纵断层来说,在断层线上同一点,其较老岩层一侧为上升盘,较新岩层一侧为下降盘。但当断层面倾向与岩层倾向一致,而断层面倾角小于岩层倾角时,则较老岩层一侧为下降盘,较新岩层一侧为上升盘。

对于倾向断层或等斜褶曲中的横断层来说,不论是在平面或剖面上,都不易判断升降盘,必须借助其他小构造等来判断。

关键词: 如何 判断 断层 性质

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