Geochemical fractions of rare earth elements in soil around a mine tailing in Baotou, China
Identifieur interne : 000A33 ( Ncbi/Checkpoint ); précédent : 000A32; suivant : 000A34Geochemical fractions of rare earth elements in soil around a mine tailing in Baotou, China
Auteurs : Lingqing Wang [République populaire de Chine] ; Tao Liang [République populaire de Chine]Source :
- Scientific Reports [ 2045-2322 ] ; 2015.
Abstract
Rare earth mine tailing dumps are environmental hazards because tailing easily leaches and erodes by water and wind. To assess the influence of mine tailing on the geochemical behavior of rare earth elements (REEs) in soil, sixty-seven surface soil samples and three soil profile samples were collected from different locations near China’s largest rare earth mine tailing. The total concentration of REEs in surface soils ranged from 156 to 5.65 × 104 mg·kg−1 with an average value of 4.67 × 103 mg·kg−1, which was significantly higher than the average value in China (181 mg·kg−1). We found obvious fractionation of both light and heavy REEs, which was supported by the North American Shale Composite (NASC) and the Post-Archean Average Australian Shale (PAAS) normalized concentration ratios calculated for selected elements (La
Url:
DOI: 10.1038/srep12483
PubMed: 26198417
PubMed Central: 4510494
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Geochemical fractions of rare earth elements in soil around a mine tailing in Baotou, China</title><author><name sortKey="Wang, Lingqing" sort="Wang, Lingqing" uniqKey="Wang L" first="Lingqing" last="Wang">Lingqing Wang</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences</institution>, Beijing 100101,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Liang, Tao" sort="Liang, Tao" uniqKey="Liang T" first="Tao" last="Liang">Tao Liang</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences</institution>, Beijing 100101,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">26198417</idno><idno type="pmc">4510494</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4510494</idno><idno type="RBID">PMC:4510494</idno><idno type="doi">10.1038/srep12483</idno><date when="2015">2015</date><idno type="wicri:Area/Pmc/Corpus">000087</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000087</idno><idno type="wicri:Area/Pmc/Curation">000087</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000087</idno><idno type="wicri:Area/Pmc/Checkpoint">000059</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000059</idno><idno type="wicri:Area/Ncbi/Merge">000A33</idno><idno type="wicri:Area/Ncbi/Curation">000A33</idno><idno type="wicri:Area/Ncbi/Checkpoint">000A33</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Geochemical fractions of rare earth elements in soil around a mine tailing in Baotou, China</title><author><name sortKey="Wang, Lingqing" sort="Wang, Lingqing" uniqKey="Wang L" first="Lingqing" last="Wang">Lingqing Wang</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences</institution>, Beijing 100101,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Liang, Tao" sort="Liang, Tao" uniqKey="Liang T" first="Tao" last="Liang">Tao Liang</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences</institution>, Beijing 100101,<country>China</country></nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></analytic><series><title level="j">Scientific Reports</title><idno type="eISSN">2045-2322</idno><imprint><date when="2015">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Rare earth mine tailing dumps are environmental hazards because tailing easily leaches and erodes by water and wind. To assess the influence of mine tailing on the geochemical behavior of rare earth elements (REEs) in soil, sixty-seven surface soil samples and three soil profile samples were collected from different locations near China’s largest rare earth mine tailing. The total concentration of REEs in surface soils ranged from 156 to 5.65 × 10<sup>4</sup> mg·kg<sup>−1</sup> with an average value of 4.67 × 10<sup>3</sup> mg·kg<sup>−1</sup>, which was significantly higher than the average value in China (181 mg·kg<sup>−1</sup>). We found obvious fractionation of both light and heavy REEs, which was supported by the North American Shale Composite (NASC) and the Post-Archean Average Australian Shale (PAAS) normalized concentration ratios calculated for selected elements (La<sub><italic>N</italic></sub>/Yb<sub><italic>N</italic></sub>, La<sub><italic>N</italic></sub>/Sm<sub><italic>N</italic></sub> and Gd<sub><italic>N</italic></sub>/Yb<sub><italic>N</italic></sub>). A slightly positive Ce anomaly and a negative Eu anomaly were also found. For all 14 REEs in soils, enrichment was intensified by the mine tailing sources and influenced by the prevailing wind.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Tyler, G" uniqKey="Tyler G">G. Tyler</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Jordens, A" uniqKey="Jordens A">A. Jordens</name></author><author><name sortKey="Cheng, Y P" uniqKey="Cheng Y">Y. P. Cheng</name></author><author><name sortKey="Waters, K E" uniqKey="Waters K">K. E. Waters</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Taylor, S R" uniqKey="Taylor S">S. R. Taylor</name></author><author><name sortKey="Mclennan, S M" uniqKey="Mclennan S">S. M. McLennan</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Rudnick, R L" uniqKey="Rudnick R">R. L. 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