| 郯庐断裂带安徽段土壤气体的地球化学特征 |
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| 引用本文： | 郑海刚,方震,周晓成,李军辉,孙玉涛,李玲利.郯庐断裂带安徽段土壤气体的地球化学特征[J].中国地震,2016,32(4):642-652. |
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| 作者姓名： | 郑海刚 方震 周晓成 李军辉 孙玉涛 李玲利 |
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| 作者单位： | 安徽省地震局, 合肥市长江西路558号 230031,安徽省地震局, 合肥市长江西路558号 230031,中国地震局地震预测研究所, 北京 100036,安徽省地震局, 合肥市长江西路558号 230031,中国科学院地质与地球物理研究所, 北京 100029,安徽省地震局, 合肥市长江西路558号 230031 |
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| 基金项目： | 地震科技星火计划项目（XH13010），2015年安徽省公益性地质工作项目（2015-g-25）和中国地震局公益科研专项（201308012）共同资助 |
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| 摘 要： | 在郯庐断裂带安徽段由北向南分别于泗县、明光、肥东、桐城布设了4个测区,每个测区各布设了4条跨断层土壤气测量剖面,测量土壤气Rn、Hg和CO_2的浓度。根据16条跨断层土壤气剖面的测量结果,对郯庐断裂带安徽段的3种土壤气体的释放特征及其与断层空间位置间的关系进行了初步分析。结果表明,气体在断裂带附近较为富集,对断层位置有一定指示作用;气体的富集程度与断裂的活动性、该区段断层岩性及地质环境有一定关系。该结果对于认识测量区域气体的积累特征及构造地球化学研究有一定意义。
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| 关 键 词： | 郯庐断裂带 土壤气汞 土壤气氡 土壤气CO2 |
| 收稿时间： | 2016/1/7 0:00:00 |
| 修稿时间： | 2016/3/12 0:00:00 |
The geochemical characteristics of soil gas in the Anhui section of Tan-Lu Fault zone |
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| Zheng Haigang,Fang Zhen,Zhou Xiaocheng,Li Junhui,Sun Yutao and Li Lingli.The geochemical characteristics of soil gas in the Anhui section of Tan-Lu Fault zone[J].Earthquake Research in China,2016,32(4):642-652. |
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| Authors: | Zheng Haigang Fang Zhen Zhou Xiaocheng Li Junhui Sun Yutao and Li Lingli |
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| Institution: | Earthquake Administration of Anhui Province, Hefei 230031, China,Earthquake Administration of Anhui Province, Hefei 230031, China,Institute of Earthquake Science, China Earthquake Administration, Beijing 100036, China,Earthquake Administration of Anhui Province, Hefei 230031, China,Institute of Geology and Geophysics, Chinese Academy of Science, Beijing 100029, China and Earthquake Administration of Anhui Province, Hefei 230031, China |
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| Abstract: | In this paper,the concentration of soil gas Hg,Rn,CO2 were surveyed at four sites(Sixian,Mingguang,Feidong,and Tongcheng)in the Anhui section of Tan-Lu(Tancheng-Lujiang)fault zone. The relationship of soil gas geochemical characteristics and the fault location is investigated on the basis of fault gas measurements. The result shows that a large number of gas concentrated near the fault zone and can be used as the best index to the fault location. The gas enrichment degree can be related to the activity of the fault,the lithology and the geological environment in this section. The results have some significance for the research on gas accumulation characteristics and structural geochemical research in the future. |
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| Keywords: | Tan-Lu fault zone Soil gas mercury Soil gas radon Soil gas CO2 |
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