高桥断裂带土氡浓度特征研究
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摘要
测量高桥断裂土氡(Rn)浓度,分析龚家桥及中阳坡2条测线的土氡浓度特征,并与宏观剖面对比,以揭示断裂的位置、规模等信息。结果显示,2条测线中土氡浓度背景值分别为34 138 Bq/m~3、26 960 Bq/m~3,异常下限分别为53 580 Bq/m~3、53 322 Bq/m~3,土氡异常区域指示龚家桥处断裂宽度不超过60 m,中阳坡处断裂宽度不超过40 m。
In this paper, the soil radon(Rn) concentration of the Gaoqiao fault zone is measured. The soil radon concentration characteristics of two lines in Gongjiaqiao and Zhongyangpo are analyzed, and the results, combined with the structural sections, shows the location, scale and other characteristics of the fracture. The results show that the background values of radon concentration in soil are 34 138 Bq/m~3 and 26 960 Bq/m~3. The lower limits of the high value are 53 580 Bq/m~3 and 53 322 Bq/m~3, and the anomalous areas indicate that the fracture at Gongjiaqiao is not more than 60 meters and not less than 40 meters at Zhongyangpo.
In this paper, the soil radon(Rn) concentration of the Gaoqiao fault zone is measured. The soil radon concentration characteristics of two lines in Gongjiaqiao and Zhongyangpo are analyzed, and the results, combined with the structural sections, shows the location, scale and other characteristics of the fracture. The results show that the background values of radon concentration in soil are 34 138 Bq/m~3 and 26 960 Bq/m~3. The lower limits of the high value are 53 580 Bq/m~3 and 53 322 Bq/m~3, and the anomalous areas indicate that the fracture at Gongjiaqiao is not more than 60 meters and not less than 40 meters at Zhongyangpo.
引文
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[3] 张丽芬,廖武林,李井冈,等.2013年12月16日巴东M5.1地震序列及发震构造分析[J].地震地质,2016,38(3):747-759(Zhang Lifen,Liao Wulin,Li Jinggang,et al.Analysis on the 2013 Badong M5.1 Earthquake Sequence and the Seismogenic Structure[J].Seismology and Geology,2016,38(3):747-759)
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[7] 王秋良,王恒希,陈圆圆,等.土氡测量在城市断层探测中的应用[J].大地测量与地球动力学,2010,30(1):38-42(Wang Qiuliang,Wang Hengxi,Chen Yuanyuan,et al.Application of Soil Radon Measurement in Urban Fault Surveying[J].Journal of Geodesy and Geodynamic,2010,30(1):38-42)
[8] 刘菁华,王祝文,刘树田,等.城市活动断裂带的土壤氡、汞气评价方法[J].吉林大学学报:地球科学版,2006,36(2):295-297(Liu Jinghua,Wang Zhuwen,Liu Shutian,et al.The Evaluation Method of Soil Radon and Mercury Gas Measurement about Urban Active Fault Zones[J].Journal of Jilin University:Earth Science Edition,2006,36(2):295-297)
[9] 何超枫,陈州丰,齐信,等.麻城-团风断裂带土氡特征及活动性研究[J].大地测量与地球动力学,2016,36(6):504-507(He Chaofeng,Chen Zhoufeng,Qi Xin,et al.Study on Soil Radon Features and Activity Analysis of the Macheng-Tuanfeng Fault[J].Journal of Geodesy and Geodynamics,2016,36(6):504-507)
[10] 冯玉洁.土壤氡析出率的室内测量方法及其与土壤物性的关系研究[D].北京:中国地质大学,2011(Feng Yujie.Study on the Method of Soil Radon Exhalation Rate in the Laboratory and the Correlation with Soil Properties[D].Beijing:China University of Geosciences,2011)
[11] 方震,刘耀炜,杨选辉,等.地震断裂带中气体来源及运移机制研究进展[J].地球物理学进展,2012,27(2):483-495(Fang Zhen,Liu Yaowei,Yang Xuanhui,et al.Advance in Study on the Source and Migration Mechanisms of Gas in the Seismic Fault Zone[J].Progress in Geophysics,2012,27(2):483-495)
[12] 邵永新,杨绪连,李一兵.海河隐伏活断层探测中土壤气氡和气汞测量及其结果[J].地震地质,2007,29(3):627-636(Shao Yongxin,Yang Xulian,Li Yibing.The Result and Measurement of Soil Gas Radon and Soil Gas Mercury in the Exploration of Haihe Hidden Fault[J].Seismology and Geology,2007,29(3):627-636)
[13] 夏金梧,李长安,曾新平,等.三峡工程库首区高桥断裂特征与地震活动性研究[J].大地测量与地球动力学,2008,28(2):8-15(Xia Jinwu,Li Chang’an,Zeng Xinping,et al.Study on Characteristics and Seismic Activity of Gaoqiao Fault in Head Area of Three Gorges Reservoir[J].Journal of Geodesy and Geodynamics,2008,28(2):8-15)
[14] 邓嘉农,周乐群.鄂西秭归盆地西北缘高桥断裂带特征及其活动性[J].华南地质与矿产,2003(3):18-23(Deng Jianong,Zhou Lequn.Features and Activity of Gaoqiao Fault Zone along the North-Western Margin of Zigui Basin in Hubei Province[J].Geology and Mineral Resources of South China,2003(3):18-23)
[2] 高红亮,姚运生,王秋良,等.三峡库首区高桥断裂带断层泥分形特征研究[J].大地测量与地球动力学,2015,35(6):963-968(Gao Hongliang,Yao Yunsheng,Wang Qiuliang,et al.The Fractal Dimension of Fault Gouges in the Gaoqiao Fault Zone in the Three Gorges Dam Area[J].Journal of Geodesy and Geodynamics,2015,35(6):963-968)
[3] 张丽芬,廖武林,李井冈,等.2013年12月16日巴东M5.1地震序列及发震构造分析[J].地震地质,2016,38(3):747-759(Zhang Lifen,Liao Wulin,Li Jinggang,et al.Analysis on the 2013 Badong M5.1 Earthquake Sequence and the Seismogenic Structure[J].Seismology and Geology,2016,38(3):747-759)
[4] 陈蜀俊,姚运生,吴建超,等.巴东MS5.1地震——一种新的水库地震类型[J].大地测量与地球动力学,2014,34(3):1-5(Chen Shujun,Yao Yunsheng,Wu Jianchao,et al.Badong MS5.1 Earthquake:A New Type of Reservoir Earthquake[J].Journal of Geodesy and Geodynamics,2014,34(3):1-5)
[5] Yao Y S,Wang Q L,Liao W L,et al.Influences of the Three Gorges Project on Seismic Activities in the Reservoir Area[J].Science Bulletin,2017,62(15):1 089-1 098
[6] 车用太,张大维,鱼金子,等.断层带土壤气的映震效能与地震短期预报[J].中国地震,1995,11(4):374-380(Che Yongtai,Zhang Dawei,Yu Jinzi,et al.Reflective Capacity of Soil Gas in Fault Zone to Earthquake and Short-Term Prediction[J].Earthquake Research in China,1995,11(4):374-380)
[7] 王秋良,王恒希,陈圆圆,等.土氡测量在城市断层探测中的应用[J].大地测量与地球动力学,2010,30(1):38-42(Wang Qiuliang,Wang Hengxi,Chen Yuanyuan,et al.Application of Soil Radon Measurement in Urban Fault Surveying[J].Journal of Geodesy and Geodynamic,2010,30(1):38-42)
[8] 刘菁华,王祝文,刘树田,等.城市活动断裂带的土壤氡、汞气评价方法[J].吉林大学学报:地球科学版,2006,36(2):295-297(Liu Jinghua,Wang Zhuwen,Liu Shutian,et al.The Evaluation Method of Soil Radon and Mercury Gas Measurement about Urban Active Fault Zones[J].Journal of Jilin University:Earth Science Edition,2006,36(2):295-297)
[9] 何超枫,陈州丰,齐信,等.麻城-团风断裂带土氡特征及活动性研究[J].大地测量与地球动力学,2016,36(6):504-507(He Chaofeng,Chen Zhoufeng,Qi Xin,et al.Study on Soil Radon Features and Activity Analysis of the Macheng-Tuanfeng Fault[J].Journal of Geodesy and Geodynamics,2016,36(6):504-507)
[10] 冯玉洁.土壤氡析出率的室内测量方法及其与土壤物性的关系研究[D].北京:中国地质大学,2011(Feng Yujie.Study on the Method of Soil Radon Exhalation Rate in the Laboratory and the Correlation with Soil Properties[D].Beijing:China University of Geosciences,2011)
[11] 方震,刘耀炜,杨选辉,等.地震断裂带中气体来源及运移机制研究进展[J].地球物理学进展,2012,27(2):483-495(Fang Zhen,Liu Yaowei,Yang Xuanhui,et al.Advance in Study on the Source and Migration Mechanisms of Gas in the Seismic Fault Zone[J].Progress in Geophysics,2012,27(2):483-495)
[12] 邵永新,杨绪连,李一兵.海河隐伏活断层探测中土壤气氡和气汞测量及其结果[J].地震地质,2007,29(3):627-636(Shao Yongxin,Yang Xulian,Li Yibing.The Result and Measurement of Soil Gas Radon and Soil Gas Mercury in the Exploration of Haihe Hidden Fault[J].Seismology and Geology,2007,29(3):627-636)
[13] 夏金梧,李长安,曾新平,等.三峡工程库首区高桥断裂特征与地震活动性研究[J].大地测量与地球动力学,2008,28(2):8-15(Xia Jinwu,Li Chang’an,Zeng Xinping,et al.Study on Characteristics and Seismic Activity of Gaoqiao Fault in Head Area of Three Gorges Reservoir[J].Journal of Geodesy and Geodynamics,2008,28(2):8-15)
[14] 邓嘉农,周乐群.鄂西秭归盆地西北缘高桥断裂带特征及其活动性[J].华南地质与矿产,2003(3):18-23(Deng Jianong,Zhou Lequn.Features and Activity of Gaoqiao Fault Zone along the North-Western Margin of Zigui Basin in Hubei Province[J].Geology and Mineral Resources of South China,2003(3):18-23)