裂谷系主平移断层带的地震反射成像:中国渤海辽东湾郯庐断裂带的早第三纪构造和演化

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1郯庐断裂带的构造特征1.1右旋走滑郯庐断裂具有几个右旋走滑特点:①比较平直,弯曲性不大;②花状构造;③区域性延伸的雁列式褶皱和断层;④地震相发生突然改变;⑤单个断层由正到逆的变化。构造的区域一致性使我们能够推测郯庐的右旋走滑,郯庐断裂的冲断层和雁列褶皱呈右行阶步模 Tectonic features of the Tan-Lu fault zone 1.1. Right-lateral strike-slip The Tan-Lu fault has several features of right-lateral strike-slip: ① relatively flat, less bendable; ② flower-shaped structures; ③ regionally extended echelon folds and Fault; ④ sudden changes in seismic facies; ⑤ single fault from positive to negative changes. The regional consistency of the tectonics enables us to speculate that the right-lateral strike-slip of Tanlu, the thrust fault and the Yanli fold of the Tancheng-Lujiang fault show a right-lateral step mode
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