| 宁镇地区的限制性断层 |
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| 引用本文： | 雷启修.宁镇地区的限制性断层[J].中国海洋大学学报(自然科学版),1991(4). |
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| 作者姓名： | 雷启修 |
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| 作者单位： | 青岛海洋大学海洋地质系 |
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| 摘 要： | 宁镇山脉的褶皱带被一系列横断层分割为褶断段。横断层相邻的断块,无论是褶皱的形态、纵断层的数目、规模和断距等特征沿纵向跨越横断层均存在不连续性的跃变,表明这些横断层是早于褶皱或与之伴生的纵断层而存在,并对各断块内发育的地质构造起到限制作用。因横断层作为较早的边界,后期的挤压在被分割的各块段内可以是有差异的,导致宁镇褶皱带在总体上的一致性,分段上的有特殊性。
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| 关 键 词： | 宁镇地区 复背斜 横断层 限制性断层 跃变 新华夏系 |
THE RESTRICTIVE FAULT IN NING-ZHEN REGION |
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| Lei Qixiu.THE RESTRICTIVE FAULT IN NING-ZHEN REGION[J].Periodical of Ocean University of China,1991(4). |
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| Authors: | Lei Qixiu |
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| Institution: | Department of Marine Geology |
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| Abstract: | The Ning zhen fold belt is segmented into many fold-fault blocks by cross faults.There are sharp,discontinuous changes in fold geometry,number,scale and displacement of longitudinal faults on the adjacent fault blocks of the cross faults.This indicates that the cross faults are earlier than the folds and the longitudinal faults,and restrict the development of the geological structure on fault blocks.Because the cross faults are the earlier bounndaries,the later pressure on the fault blocks is different,which leads to the fact that the Ning zhen fold belt is homogeneous as a whole but different on each fault block. |
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| Keywords: | Ning zhen region anticlinorium cross fault restrictive fault sharp change Neocathaysian |
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