大柳树坝址区平硐断层的最新活动时代研究
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摘要
通过重新采集大柳树坝址区主要平硐断层的断层物质,采用ESR测年方法,经过严格的实验室测试程序,给出了这些断层物质年代测试结果,得出这些断层晚更新世以来没有活动,均不属活动断层。
This paper presents the geological investigation on the characteristics of the faults observed in the engineering tunnels around Daliushu hydropower dam site.The faulting materials were used to test the latest activity age of the fault.The samples are dated younger than 120Ka by ESR dating method in laboratory.The dating results illustrate that the faults observed in the engineering tunnels around Daliushu hydropower site have not been active faults since late Pleistocene.
This paper presents the geological investigation on the characteristics of the faults observed in the engineering tunnels around Daliushu hydropower dam site.The faulting materials were used to test the latest activity age of the fault.The samples are dated younger than 120Ka by ESR dating method in laboratory.The dating results illustrate that the faults observed in the engineering tunnels around Daliushu hydropower site have not been active faults since late Pleistocene.
引文
[1]国家电力公司西北电力设计研究院.大柳树坝址重大工程地质问题简要报告[R],2002.Northwest power design institute,state power corpoation of Ch ina.Report ofmajor engineer geological issuse in Daliushu dam,2002.
[2]中国地震局地球物理研究所、分析预报中心、地质研究所、地壳应力研究所、地球物理勘探中心.黄河黑山峡河段地震地质补充论证工作报告[R],2003.Earthquake pred iction center.Geological institute,crustal dynam-ics institute and geophysical exploration center ofCh ina earthquakeadm in istration.Add itional seimogeological report ofHeisanxia sec-tion ofYellow R iver institute of geophysics,2003.
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[5]陈国星,田勤俭,周本刚,等.黄河黑山峡大柳树坝址若干地震地质问题的研究[J].震灾防御技术,2006,1(3):186~198.Chen Guoxing,Tian Q in jian,Zhou Bengang.Som e seismo-geo-logical questions regard ing to daliushu dam site in Heishanxia val-ley of Yellow R iver.Technology for Earthquake D isaster Preven-tion,2006,1(3):186~198.
[6]吴世泽,严福章,梅应堂.金沙江乌东德水电站区热水塘断层活动性研究[J].工程地质学报,2005,13(4):455~460.W u Sh ize,et al..Activities of the reshu itang fau lt at the dam siteregion of theW udongde hydropower station on the Jinshajian river.Journal of Eengineering Geology,2005,13(4):455~460.
[7]刘妮娜,刘维亮,吴德超,王道永,谷曼.西南某巨型水电站坝区推覆断层研究[J].工程地质学报,2006,14(1):13~17.L iu N ina et al..A thrust fau lt in a hydropower plant reservoir re-gion in the Southwest Ch ina.Journal of Eengineering Geology,2006,14(1):13~17.
[8]常廷改.断层活动性评价中关于测年资料的引用[J].工程地质学报,2006,14(2):190~195.Chang Tinggai.About quoting of dating in fau lts activity appraisal.Journal of Eengineering Geology,2006,14(2):190~195.
[9]侯作民,高玉生,洪海涛,周瑞光.断层破碎带中的透镜体及透镜体力学效应初步研究[J].工程地质学报,2006,14(4):443~448.Hou Zuom in et al..Prelim inary find ings on lens and its m echan i-cal behavior in the broken fau lt zone.Journal of Eengineering Ge-ology,2006,14(4):443~448.
[2]中国地震局地球物理研究所、分析预报中心、地质研究所、地壳应力研究所、地球物理勘探中心.黄河黑山峡河段地震地质补充论证工作报告[R],2003.Earthquake pred iction center.Geological institute,crustal dynam-ics institute and geophysical exploration center ofCh ina earthquakeadm in istration.Add itional seimogeological report ofHeisanxia sec-tion ofYellow R iver institute of geophysics,2003.
[3]A itken,M.J.Thermolum inscence dating.Academ ic Press,Lon-don,1985,66~76,221~226.
[4]R ink,W.J.E lectron sp in resonance(ESR)dating and ESR ap-plications in quaternary science and archaeom etry[J〗.Rad iationM easurem ents,1997,27(5/6):975~1025.
[5]陈国星,田勤俭,周本刚,等.黄河黑山峡大柳树坝址若干地震地质问题的研究[J].震灾防御技术,2006,1(3):186~198.Chen Guoxing,Tian Q in jian,Zhou Bengang.Som e seismo-geo-logical questions regard ing to daliushu dam site in Heishanxia val-ley of Yellow R iver.Technology for Earthquake D isaster Preven-tion,2006,1(3):186~198.
[6]吴世泽,严福章,梅应堂.金沙江乌东德水电站区热水塘断层活动性研究[J].工程地质学报,2005,13(4):455~460.W u Sh ize,et al..Activities of the reshu itang fau lt at the dam siteregion of theW udongde hydropower station on the Jinshajian river.Journal of Eengineering Geology,2005,13(4):455~460.
[7]刘妮娜,刘维亮,吴德超,王道永,谷曼.西南某巨型水电站坝区推覆断层研究[J].工程地质学报,2006,14(1):13~17.L iu N ina et al..A thrust fau lt in a hydropower plant reservoir re-gion in the Southwest Ch ina.Journal of Eengineering Geology,2006,14(1):13~17.
[8]常廷改.断层活动性评价中关于测年资料的引用[J].工程地质学报,2006,14(2):190~195.Chang Tinggai.About quoting of dating in fau lts activity appraisal.Journal of Eengineering Geology,2006,14(2):190~195.
[9]侯作民,高玉生,洪海涛,周瑞光.断层破碎带中的透镜体及透镜体力学效应初步研究[J].工程地质学报,2006,14(4):443~448.Hou Zuom in et al..Prelim inary find ings on lens and its m echan i-cal behavior in the broken fau lt zone.Journal of Eengineering Ge-ology,2006,14(4):443~448.
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