北京东北旺-小汤山断裂存在的证据
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摘要
对位于北京市西北侧的东北旺-小汤山断裂是否存在、走向与活动性的认识长期以来一直存在较大差异。通过新近开展的北京城市活断层探测工作中的物探数据与钻孔联合剖面分析,认为东北旺-小汤山断裂是存在的,为一条隐伏断裂,长约40km,走向NNE,倾向SE。以南口-孙河断裂为界,该断裂东北段称之为小汤山断裂,西南段称之为东北旺断裂。小汤山断裂的最新活动时代为早更新世或中更新世早期,中更新世中期以来不活动。东北旺断裂的最新活动时代为中更新世末期,晚更新世以来不活动。
Lots of different ideas stay on whether the Dongbeiwang-Xiaotangshan Fault in the northwest of Beijing exists or how it displays and acts.This paper analyzes the present seismic prospecting data and drill logs from exploration of active faults in Beijing urban areas,and reaches conclusion that the Dongbeiwang-Xiaotangshan Fault does exist as a subsurface fault and it is 40km long,trending NNE.Divided by the Nankou-Sunhe Fault,we name its northeast segment as the Xiaotangshan Fault and the southwest segment as the Dongbeiwang Fault.The Xiaotangshan Fault is active in early Pleistocene but not in middle Pleistocene.The Dongbeiwang Fault is active in the end of mid-Pleistocene but not in late Pleistocene.
Lots of different ideas stay on whether the Dongbeiwang-Xiaotangshan Fault in the northwest of Beijing exists or how it displays and acts.This paper analyzes the present seismic prospecting data and drill logs from exploration of active faults in Beijing urban areas,and reaches conclusion that the Dongbeiwang-Xiaotangshan Fault does exist as a subsurface fault and it is 40km long,trending NNE.Divided by the Nankou-Sunhe Fault,we name its northeast segment as the Xiaotangshan Fault and the southwest segment as the Dongbeiwang Fault.The Xiaotangshan Fault is active in early Pleistocene but not in middle Pleistocene.The Dongbeiwang Fault is active in the end of mid-Pleistocene but not in late Pleistocene.
引文
[1]同235页[1]。
[1]同235页[1]。
[2]同236页[2]。
陈绍绪,张跃刚,乔子云,等.2003.应用大地水准测量资料研究北京地区现今断层活动[J].山西地震,(2):9—13.CHEN Shao-xu,ZHANG Yue-gang,QIAO Zi-yun,et al.2003.Analysis of the present faulting of Beijing area by geodet-ic leveling data[J].Earthquake Research in Shanxi,(2):9—13(in Chinese).
方盛明,张先康,刘保金,等.2002.探测大城市活断层的地球物理方法[J].地震地质,24(4):606—6l3.FANG Sheng-ming,ZHANG Xian-kang,LIU Bao-jin,et al.2002.Geophysical methods for the prospecting of urban ac-tive faults[J].Seismology and Geology,24(4):606—613(in Chinese).
华金玉,侯贵廷,刘锡大.2005.1730年北京西郊6级地震发震构造讨论[J].北京大学学报(自然科学版),41(4):530—535.HUA Jin-yu,HOUGui-ting,LIUXi-da.2005.Study of the active faults generating the earthquake ofML6in the westof Beijing in1730[J].Acta Scientiarum Naturalium Universitatis Pekinensis,41(4):530—535(in Chinese).
环文林,时振梁,杨玉林.1996.1730年北京圆明园地震[J].地震研究,19(3):260—266.HUAN Wen-lin,SHI Zhen-liang,YANG Yu-lin.1996.The Yuanming park earthquake in Beijing in1730[J].Journalof Seismological Research,19(3):260—266(in Chinese).
江娃利.2001.北京平原夏垫断裂潘各庄钻孔晚更新世晚期以来古地震事件分析[A].见:中国地震局地质研究所编.活动断裂研究(8).北京:地震出版社.140—148.JIANG Wa-li.2001.Paleoearthquake analysis of the Xiadian Fault since late period of Pleistocene epoch from Pan-gezhuang bore in Beijing plain[A].In:Institute of Geology,CSB(ed).Research on Active Fault(8).Seismologi-cal Press,Beijing.140—148(in Chinese).
刘保金,方盛明,张先康,等.2002.城市活断层探测的高分辨率浅层地震数据采集技术[J].地震地质,24(4):524—532.LIU Bao-jin,FANG Sheng-ming,ZHANG Xian-kang,et al.2002.Acquisition technique of high-resolution shallowseis-mic data for surveying of urban active faults[J].Seismology and Geology,24(4):524—532(in Chinese).
潘纪顺,刘保金,朱金芳,等.2002.城市活断层高分辨率地震勘探震源对比实验研究[J].地震地质,24(4):533—541.PAN Ji-shun,LIU Bao-jin,ZHU Jin-fang,et al.2002.Comparative experiment on seismic sources in high-resolutionseismic exploration for urban active faults[J].Seismology and Geology,24(4):533—541(in Chinese).
王挺梅,李建平.1982.北京的古地震研究[A].见:史前地震与第四纪地质文集.西安:陕西科学技术出版社.51—58.WANG Ting-mei,LI Jian-ping.1982.Study on paleoearthquakes in Beijing[A].In:Paleoearthquakes and QuaternaryGeology.Shaanxi Science and Technology Press,Xian.51—58(in Chinese).
汪素云,许忠淮,俞言祥,等.1995.北京及邻区现代微震重新定义及其构造含义[J].中国地震,11(3):222—230.WANG Su-yun,XU Zhong-huai,YU Yan-xiang,et al.1995.Relocation of microearthquakes in Beijing and its neigh-bouring areas and its tectonic implications[J].Earthquake Research in China,11(3):222—230(in Chinese).
徐锡伟,吴卫民,张先康,等.2002.首都圈地区地壳最新构造变动与地震[M].北京:科学出版社.XU Xi-wei,WU Wei-min,ZHANG Xian-kang,et al.2002.The Latest Crustal Deformation and Earthquakes in BeijingArea[M].Science Press,Beijing(in Chinese).
徐锡伟,计凤桔,于贵华,等.2000.用钻孔地层剖面记录恢复古地震序列:河北夏垫断裂古地震研究[J].地震地质,22(1):9—19.XU Xi-wei,JI Feng-ju,YU Gui-hua,et al.2000.Reconstruction of paleo-earthquake sequence using stratigraphic re-cords from drill logs:A study at the Xiadian Fault,Beijing[J].Seismology and Geology,22(1):9—19(in Chi-nese).
徐朝繁,张先康,朱金芳,等.2002.复杂介质结构中折射界面的哈格多恩原理波前成像[J].地震地质,24(4):542—548.XU Zhao-fan,ZHANG Xian-kang,ZHUJin-fang,et al.2002.Refractor imaging in complex structures by using HAGE-DOORN wave-front reconstruction principle[J].Seismology and Geology,24(4):542—548(in Chinese).
杨晓平,郑荣章,张兰凤,等.2007.浅层地震勘探资料地质解释过程中值得重视的问题[J].地震地质,29(2):282—293.YANG Xiao-ping,ZHENG Rong-zhang,ZHANG Lan-feng,et al.2007.Some problems worth considering in the geolog-ical explanation of shallow seismic prospecting data[J].Seismology and Geology,29(2):282—293(in Chi-nese).
中国地震局.2005.中国地震活动断层探测技术系统技术规程[Z].北京:地震出版社.13—42.China Earthquake Adminstration.2005.Stipulation on Technical System for China Earthquake Active Fault Surveying[Z].Seismological Press,Beijng.13—42(in Chinese).
YANG Xiao-ping,LI De-qing,ZHAO Cheng-bin,et al.2004.The movement age of hidden fault and analysis on width ofits effect zone from shallow seismic sounding data[J].Acta Seismologica Sinica,17(suppl):94—109.
[1]同235页[1]。
[2]同236页[2]。
陈绍绪,张跃刚,乔子云,等.2003.应用大地水准测量资料研究北京地区现今断层活动[J].山西地震,(2):9—13.CHEN Shao-xu,ZHANG Yue-gang,QIAO Zi-yun,et al.2003.Analysis of the present faulting of Beijing area by geodet-ic leveling data[J].Earthquake Research in Shanxi,(2):9—13(in Chinese).
方盛明,张先康,刘保金,等.2002.探测大城市活断层的地球物理方法[J].地震地质,24(4):606—6l3.FANG Sheng-ming,ZHANG Xian-kang,LIU Bao-jin,et al.2002.Geophysical methods for the prospecting of urban ac-tive faults[J].Seismology and Geology,24(4):606—613(in Chinese).
华金玉,侯贵廷,刘锡大.2005.1730年北京西郊6级地震发震构造讨论[J].北京大学学报(自然科学版),41(4):530—535.HUA Jin-yu,HOUGui-ting,LIUXi-da.2005.Study of the active faults generating the earthquake ofML6in the westof Beijing in1730[J].Acta Scientiarum Naturalium Universitatis Pekinensis,41(4):530—535(in Chinese).
环文林,时振梁,杨玉林.1996.1730年北京圆明园地震[J].地震研究,19(3):260—266.HUAN Wen-lin,SHI Zhen-liang,YANG Yu-lin.1996.The Yuanming park earthquake in Beijing in1730[J].Journalof Seismological Research,19(3):260—266(in Chinese).
江娃利.2001.北京平原夏垫断裂潘各庄钻孔晚更新世晚期以来古地震事件分析[A].见:中国地震局地质研究所编.活动断裂研究(8).北京:地震出版社.140—148.JIANG Wa-li.2001.Paleoearthquake analysis of the Xiadian Fault since late period of Pleistocene epoch from Pan-gezhuang bore in Beijing plain[A].In:Institute of Geology,CSB(ed).Research on Active Fault(8).Seismologi-cal Press,Beijing.140—148(in Chinese).
刘保金,方盛明,张先康,等.2002.城市活断层探测的高分辨率浅层地震数据采集技术[J].地震地质,24(4):524—532.LIU Bao-jin,FANG Sheng-ming,ZHANG Xian-kang,et al.2002.Acquisition technique of high-resolution shallowseis-mic data for surveying of urban active faults[J].Seismology and Geology,24(4):524—532(in Chinese).
潘纪顺,刘保金,朱金芳,等.2002.城市活断层高分辨率地震勘探震源对比实验研究[J].地震地质,24(4):533—541.PAN Ji-shun,LIU Bao-jin,ZHU Jin-fang,et al.2002.Comparative experiment on seismic sources in high-resolutionseismic exploration for urban active faults[J].Seismology and Geology,24(4):533—541(in Chinese).
王挺梅,李建平.1982.北京的古地震研究[A].见:史前地震与第四纪地质文集.西安:陕西科学技术出版社.51—58.WANG Ting-mei,LI Jian-ping.1982.Study on paleoearthquakes in Beijing[A].In:Paleoearthquakes and QuaternaryGeology.Shaanxi Science and Technology Press,Xian.51—58(in Chinese).
汪素云,许忠淮,俞言祥,等.1995.北京及邻区现代微震重新定义及其构造含义[J].中国地震,11(3):222—230.WANG Su-yun,XU Zhong-huai,YU Yan-xiang,et al.1995.Relocation of microearthquakes in Beijing and its neigh-bouring areas and its tectonic implications[J].Earthquake Research in China,11(3):222—230(in Chinese).
徐锡伟,吴卫民,张先康,等.2002.首都圈地区地壳最新构造变动与地震[M].北京:科学出版社.XU Xi-wei,WU Wei-min,ZHANG Xian-kang,et al.2002.The Latest Crustal Deformation and Earthquakes in BeijingArea[M].Science Press,Beijing(in Chinese).
徐锡伟,计凤桔,于贵华,等.2000.用钻孔地层剖面记录恢复古地震序列:河北夏垫断裂古地震研究[J].地震地质,22(1):9—19.XU Xi-wei,JI Feng-ju,YU Gui-hua,et al.2000.Reconstruction of paleo-earthquake sequence using stratigraphic re-cords from drill logs:A study at the Xiadian Fault,Beijing[J].Seismology and Geology,22(1):9—19(in Chi-nese).
徐朝繁,张先康,朱金芳,等.2002.复杂介质结构中折射界面的哈格多恩原理波前成像[J].地震地质,24(4):542—548.XU Zhao-fan,ZHANG Xian-kang,ZHUJin-fang,et al.2002.Refractor imaging in complex structures by using HAGE-DOORN wave-front reconstruction principle[J].Seismology and Geology,24(4):542—548(in Chinese).
杨晓平,郑荣章,张兰凤,等.2007.浅层地震勘探资料地质解释过程中值得重视的问题[J].地震地质,29(2):282—293.YANG Xiao-ping,ZHENG Rong-zhang,ZHANG Lan-feng,et al.2007.Some problems worth considering in the geolog-ical explanation of shallow seismic prospecting data[J].Seismology and Geology,29(2):282—293(in Chi-nese).
中国地震局.2005.中国地震活动断层探测技术系统技术规程[Z].北京:地震出版社.13—42.China Earthquake Adminstration.2005.Stipulation on Technical System for China Earthquake Active Fault Surveying[Z].Seismological Press,Beijng.13—42(in Chinese).
YANG Xiao-ping,LI De-qing,ZHAO Cheng-bin,et al.2004.The movement age of hidden fault and analysis on width ofits effect zone from shallow seismic sounding data[J].Acta Seismologica Sinica,17(suppl):94—109.
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