Concentration and Spatial Distribution Characters of the Rare-Earth Elements in Soils in Maotai, Guizhou Province
详细信息
- 责任者：Jiang Tao (State Key Laboratory of Environmental Geochemistry ; Institute of Geochemistry ; Chinese Academy of Sciences ; Guiyang 550002 ; China) ; Chen Wu
- 刊名：Earth and Environment
- 出版年：2013
- 卷期：41(3)
- 关键词：土壤 ; soils ; 稀土元素 ; rare earths ; 贵州 ; Guizhou Province
- 页码：p.281-287
- 图表：4 illus., 2 tables, 30 refs.
- 分类号：0600
- issnNo：ISSN1672-9250
- isbnNo：CN52-1139/P
摘要
A total of 116 surface soil samples were collected from the Maotai area of Guizhou Province,and rare-earth elements(REE) were determined by inductively coupled plasma mass spectrometry(ICP-MS).The geostatistical and spatial analyses were applied to documenting the concentration distribution,fractional characteristics and spatial distribution of REEs in soils.The results showed that the mean content of ΣREE in soil was 287.1 μg/g,much higher than that in China soil(186.8 μg/g) and the crust(207 μg/g).Relative enrichment of LREE and variable HREE were observed in the soils.δCe showed positive anomalies in the process of soil development,whereas δEu was negatively anomalous.For different soil types,the REEs contents follow the order of moisture soil > purplish soil > paddy soil > limestone soil > yellow soil > yellow brown soil.The ΣREE presented a patch-shaped distribution between high and low concentrations.The results of this study provided useful information to probe the local geographical environment and to help select the backup site for sustainable development of Maotai company.
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