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| 土壤、大气尘中晶体的组成及其物源指示意义——以长沙、株洲和湘潭地区为例 | |
| 引用本文： | 张广平,吴堑虹,戴塔根,方建武,张建新,徐海珍,苏调红.土壤、大气尘中晶体的组成及其物源指示意义——以长沙、株洲和湘潭地区为例[J].地质通报,2007,26(11):1459-1462. |
| 作者姓名： | 张广平 吴堑虹 戴塔根 方建武 张建新 徐海珍 苏调红 |
| 作者单位： | 1. 中南大学,湖南,长沙,410083 2. 湖南省环境监测中心站,湖南,长沙,410004 3. 湖南省地质研究所,湖南,长沙,410007 |
| 基金项目： | 中国地质调查局地质调查项目(编号：200401204)，国家自然科学基金项目(编号：40473029)资助 |
| 摘 要： | 基于长沙、株洲和湘潭地区大气尘(可吸入颗粒和近地表积尘)和表层土壤的X-射线衍射(XRD)分析数据,采用微量相鉴定方法获得的结果显示,大气尘和表层土壤中包含石英、石膏、方解石、白云石、硫酸镉等自然矿物及SiS_2、NiTi、Cd_3As_2、FeOCl等非自然源晶体。比较了长沙、株洲、湘潭地区大气尘与表层土壤的晶体组成,分析了大气尘矿物及非自然源晶体的空间分布,探讨了其环境指示意义。 |
| 关 键 词： | 长沙市 大气尘 土壤 自然矿物晶体 非自然源晶体 X-射线衍射 |
| 文章编号： | 1671-2552（2007）11-1459-04 |
| 收稿时间： | 7/6/2007 12:00:00 AM |
| 修稿时间： | 2007-08-31 |
Composition of crystals in soils and atmospheric dust and their source-indicating significance: A case study of Changsha, Xiangtan and Zhuzhou cities, Hunan, China |
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| ZHANG Guang-ping,WU Qian-hong,DAI Ta-gen,FANG Jian-wu,ZHANG Jian-xin,XU Hai-zhen,SU Diao-hong.Composition of crystals in soils and atmospheric dust and their source-indicating significance: A case study of Changsha, Xiangtan and Zhuzhou cities, Hunan, China[J].Geologcal Bulletin OF China,2007,26(11):1459-1462. | |
| Authors: | ZHANG Guang-ping WU Qian-hong DAI Ta-gen FANG Jian-wu ZHANG Jian-xin XU Hai-zhen SU Diao-hong |
| Institution: | 1. Central South University, Changs ha 410083,Hunan China; 2. Environmental Monitoring Center of Hunan, Changsha 410004,Hunan, China; 3. Hunan Geological Institute, Changsha 410007 ,Hunan, China |
| Abstract: | X-ray diffraction analysis and trace phase identification were perforated on the atmospheric dust (inhalable particles and near-surface dust) and topsoils in Changsha,Xiangtan and Zhuzhou.The results show that the atmospheric dust and topsoils contain natural minerals (crystals) such as quartz,gypsum,calcite,dolomite and cadmium sulfate and synthetic crystals such as SiS_2,NiTi, Cd_3As_2 and FeOCl.The authors compared the mineral components in the atmospheric dust and topsoils of the three cities and ana- lyzed the spatial distributions of natural minerals and synthetic crystals in the atmospheric dust.Finally,the significance of natural min- erals and synthetic crystals in atmospheric dust for indicating the environment is discussed. |
| Keywords: | Changsha City atmospheric dust soil naturally occurring mineral crystal synthetic crystal X-ray diffraction |
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