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| 祁连山活动断裂带中东段冷龙岭断裂滑动速率的精确厘定 | |
| 引用本文： | 何文贵,袁道阳,葛伟鹏,罗浩.祁连山活动断裂带中东段冷龙岭断裂滑动速率的精确厘定[J].地震,2010,30(1):131-137. |
| 作者姓名： | 何文贵 袁道阳 葛伟鹏 罗浩 |
| 作者单位： | 1.中国地震局兰州地震研究所, 甘肃 兰州 730000; 2.中国地震局地震预测研究所兰州科技创新基地, 甘肃 兰州 730000 |
| 基金项目： | 中国地震局地震联合基金(104073)资助;;中国地震局兰州地震研究所论著编号:LC200900 |
| 摘 要： | 冷龙岭活动断裂是青藏高原东北缘祁连山断裂带的重要组成部分, 位于祁连山断裂带中东段。 根据野外考察结果认为, 该断裂全新世以来活动强烈, 主要表现为左旋走滑运动, 并伴有正倾滑性质, 断错地貌特征明显。 通过高分辨率SPOT卫星数字影像和大比例尺航空照片处理确定断层的位置, 利用断错地貌测图、 热释光(TL)和碳十四(14C)测年方法, 厘定了冷龙岭断裂的晚第四纪滑动速率, 冷龙岭断裂晚更新世以来的平均水平滑动速率为(4.3±0.7)mm/a, 全新世晚期以来的平均水平滑动速率为(3.9±0.36)mm/a。 |
| 关 键 词： | 祁连山断裂带 冷龙岭断裂 滑动速率 活动断裂 |
| 收稿时间： | 2009-06-23 |
| 修稿时间： | 2009-09-21 |
Determination of the Slip Rate of the Lenglongling Fault in the Middle and Eastern Segments of the Qilian Mountain Active Fault Zone |
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| HE Wen-gui,YUAN Dao-yang,GE Wei-peng,LUO Hao.Determination of the Slip Rate of the Lenglongling Fault in the Middle and Eastern Segments of the Qilian Mountain Active Fault Zone[J].Earthquake,2010,30(1):131-137. | |
| Authors: | HE Wen-gui YUAN Dao-yang GE Wei-peng LUO Hao |
| Institution: | 1. Lanzhou Institute of Seismology, CEA, Lanzhou 730000, China; 2. Lanzhou Base of the Institute of Earthquake Science, CEA, Lanzhou 730000, China |
| Abstract: | Located in the middle and eastern segments of the Qilian Mountain active fault zone,Lenglongling active fault is an important part of the Qilian Mountain fault zone in the northeastern margin of the Tibetan plateau.Based on field investigation,we found that the fault has been intensely acting since Holocene,mainly represented by left-lateral strike-slip movement with normal dip-slip,and obvious dislocated geomorphological features.The location of faults was determined by processing the high-resolution SPOT ... |
| Keywords: | Qilian mountain fault zone Lenglongling fault Slip-rate Active fault |
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