| 礼县-罗家堡断裂带宕昌-黄咀段全新世活动的地貌证据 |
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| 引用本文： | 苏永奇,刘洪春,王多杰.礼县-罗家堡断裂带宕昌-黄咀段全新世活动的地貌证据[J].西北地震学报,2013,35(S1):116-121. |
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| 作者姓名： | 苏永奇 刘洪春 王多杰 |
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| 作者单位： | 中国地震局兰州地震研究所, 甘肃兰州 730000,中国地震局兰州地震研究所, 甘肃兰州 730000,中国地震局兰州地震研究所, 甘肃兰州 730000 |
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| 基金项目： | 中国地震局兰州地震研究所地震科技发展青年基金(2011Q07) |
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| 摘 要： | 普遍认为礼县-罗家堡断裂带是一条晚第四纪活动断裂,是1654年天水南8级大地震的发震构造。但该断裂带西段宕昌-黄咀段的活动证据一直以来不是很明确。笔者在进行某项目近场地质调查中,发现一些该断裂段的最新地貌活动证据,认为该断裂段在全新世有过明显活动。
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| 关 键 词： | 礼县-罗家堡断裂带 地表破裂 地貌证据 |
| 收稿时间： | 2013/5/18 0:00:00 |
The Geomorphologic Evidences of Activity in Tanchang-Huangzui Segment of Lixian-Luojiabao Fault Zone since the Holocene |
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| SU Yong-qi,LIU Hong-chun and WANG Duo-jie.The Geomorphologic Evidences of Activity in Tanchang-Huangzui Segment of Lixian-Luojiabao Fault Zone since the Holocene[J].Northwestern Seismological Journal,2013,35(S1):116-121. |
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| Authors: | SU Yong-qi LIU Hong-chun and WANG Duo-jie |
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| Institution: | Lanzhou Institute of Seismology, CEA, Lanzhou Gansu 730000, China,Lanzhou Institute of Seismology, CEA, Lanzhou Gansu 730000, China and Lanzhou Institute of Seismology, CEA, Lanzhou Gansu 730000, China |
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| Abstract: | It is generally considered that Lixian-Luo Jiabao fault zone is an active fault in late quaternary period, and it is also the seismogenic structure of Tianshui Ms8.0 earthquake in 1654. But the activity evidences of Tanchang-Huangzui segment located at the western of that fault zone are not very indeterminate all the time. In the near-field geological investigation of some project, we found some latest geomorphological activity evidences of that fault segment, so we believed that at the fault segment there were obvious activities in the Holocene. |
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| Keywords: | Lixian-Luojiabao fault zone surface deformation geomorphologic evidence |
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