| 汶川8.0级地震小鱼洞地表破裂带古地震事件的光释光测年 |
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| 引用本文： | 杨会丽,陈杰,冉勇康,刘进峰,王昌盛,李峰.汶川8.0级地震小鱼洞地表破裂带古地震事件的光释光测年[J].地震地质,2011,33(2):402-412. |
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| 作者姓名： | 杨会丽 陈杰 冉勇康 刘进峰 王昌盛 李峰 |
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| 作者单位： | 中国地震局地质研究所地震动力学国家重点实验室; |
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| 基金项目： | 中国地震局地质研究所基本科研业务专项(DF-IGCEA060821); 2008年地震行业科研专项(200808015)共同资助 |
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| 摘 要： | 小鱼洞地震地表破裂带罗元村探槽剖面揭示了汶川8.0级大地震之前的1次同等规模的古地震事件.文中对采自小鱼洞破裂带罗元村古地震探槽的7个冲洪积物样品进行了细颗粒石英简单多片再生法和单测片再生法光释光测年研究.LED08-212样品SAR法预热坪实验表明预热温度坪区间为180～240℃,在此温度下热转移量小于等效剂量的1%...
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| 关 键 词： | 汶川地震 小鱼洞地表破裂带 古地震 光释光测年 |
| 收稿时间： | 2009-12-02 |
| 修稿时间： | 2010-12-02 |
OPTICAL DATING OF PALEOEARTHQUAKE SIMILAR TO THE 12 MAY WENCHUAN EARTHQUAKE,AT XIAOYUDONG SURFACE RUPTURES ZONE |
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| YANG Hui-li,CHEN Jie,RAN Yong-kang,LIU Jin-feng,WANG Chang-sheng,LI Feng.OPTICAL DATING OF PALEOEARTHQUAKE SIMILAR TO THE 12 MAY WENCHUAN EARTHQUAKE,AT XIAOYUDONG SURFACE RUPTURES ZONE[J].Seismology and Geology,2011,33(2):402-412. |
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| Authors: | YANG Hui-li CHEN Jie RAN Yong-kang LIU Jin-feng WANG Chang-sheng LI Feng |
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| Affiliation: | YANG Hui-li CHEN Jie RAN Yong-kangLIU Jin-feng WANG Chang-sheng LI Feng(State Key Laboratory of Earthquake Dynamics,Institute of Geology,China Earthquake Administration,Beijing 100029,China) |
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| Abstract: | In historical records,no earthquake of magnitude comparable with that of the Wenchuan MS 8.0 earthquake has ever been reported in Chengdu and Longmenshan regions.The penultimate event similar to the 12 May 2008 MS 8.0 was revealed by the surface ruptures in the vicinity of Xiaoyudong.It is important,therefore,to date accurately when the prior large earthquake happened.This paper presents 7 optically stimulated luminescence(OSL)ages from Xiaoyudong trench.We investigate the use of simplified multiple aliquot... |
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| Keywords: | Wenchuan earthquake Xiaoyudong surface rupture paleoearthquake OSL |
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