| 冀东南地区稀土元素演化特征及基准值研究 |
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| 引用本文： | 徐国志,邓金火,徐锦鹏,等.冀东南地区稀土元素演化特征及基准值研究[J].物探与化探,2014(2):354-358. |
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| 作者姓名： | 徐国志 邓金火 徐锦鹏 等 |
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| 作者单位： | 石家庄经济学院,河北石家庄050031 |
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| 基金项目： | 中国地质调查局科研基金项目（科[2010]矿评03-03-35） |
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| 摘 要： | 从冀东南地区系统采集了地表水(n=37)、地下水(n=31)、水系沉积物(n=81)、土壤(n=242)和岩石(n=472)的稀土样品,利用统计学和岩性岀露加权方法分别对14个稳定的稀土元素(REE)含量及各类稀土基准值和分布模式方面进行了研究。对岩石—土壤—水系沉积物—地下水和地表水系统中稀土元素迁移和分布模式的研究表明,随土壤的发育,REE出现富集,并出现分异,HREE比LREE更易在土壤中富集;Eu在岩石和土壤中由负异常到地下水和地表水的正异常演化特征。地表水和地下水中REE的含量和分布模式相近。
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| 关 键 词： | 稀土元素 岩石 土壤 河流 水系沉积物 地球化学特征 |
THE EVOLUTION CHARACTERISTICS AND CRITERIA OF RARE EARTH ELEMENTS IN SOUTHEASTERN HEBEI PROVINCE |
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| XU Guo-zhi,DENG Jin-huo,XU Jin-peng,TIAN Heng-chuan.THE EVOLUTION CHARACTERISTICS AND CRITERIA OF RARE EARTH ELEMENTS IN SOUTHEASTERN HEBEI PROVINCE[J].Geophysical and Geochemical Exploration,2014(2):354-358. |
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| Authors: | XU Guo-zhi DENG Jin-huo XU Jin-peng TIAN Heng-chuan |
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| Institution: | ( Shijiazhuang University of Economics, Shijiazhuang 050031, China) |
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| Abstract: | Rare earth samples were systematically collected from surface water （n=37）, groundwater （n=31）, stream sediments （n=81）, soil （n=242） and rocks （n=472） in southeastern Hebei province. In order to study the content of 14 kinds of rare earth ele-ments （REE） based on their reference values and the distribution pattern of REE, the authors employed statistical analysis and the method of lithologic exposure weighting. Based on the migration of the elements and the pattern of the rock-soil-stream sediments-groundwater and surface water, the authors hold that, with the evolution of soil, REE are concentrated in soil and the HREE are more obviously concentrated than the LREE;Eu seems to change from negative anomaly in rocks and soil to positive anomaly in groundwater and surface water. Groundwater and surface water have similar content and distribution patterns of REE. |
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| Keywords: | soil stream sediments geochemical characteristics southeastern Hebei |
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