<SPAN lang=EN-US style="FONT-SIZE: 14pt; COLOR: black; mso-font-kerning: 18.0pt; mso-bidi-font-weight: bold"><FONT face="Times New Roman">Geochemical Study of Heavy Metal Contamination of Soils Derived from Black Shales at the HJC Uranium Mine in Central Hunan Province, <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:country-region w:st="on"><st1:place w:st="on">China</st1:place></st1:country-region> <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></FONT></SPAN>

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Geochemical Study of Heavy Metal Contamination of Soils Derived from Black Shales at the HJC Uranium Mine in Central Hunan Province,

China

详细信息

责任者：Peng Bo (Faculty of Resource and Environment Science ; Hunan Normal University ; Changsha ; 410081) ; Tang Xiaoyan
刊名：Acta Geologica Sinica
出版年：2009
卷期：83（1）
关键词：重金属 ; heavy metals ; 土壤污染 ; soil pollution ; 湖南 ; Hunan Province
页码：p.89-106
图表：6 illus., 6 tables, 44 refs.
分类号：1800
issnNo：ISSN0001-5717
isbnNo：CN11-1951/P

摘要

This study carried out a geochemical approach on heavy-metal contamination of soils derived from black shale (balck-shale soils) from the HJC uranium mine in central Hunan Province, China. Four soil profiles numbered as A, B, C and D were surveyed and sampled. The concentrations of major elements, heavy metals, and other trace elements as well as rare earth elements of the soils from the four profiles, the bedrocks (the black shale) and the maize were analyzed using the ICP-MS machine. The results show that the black-shale soils of the mine are enriched in Al₂O₃ and Fe₂O₃, and depleted by CaO, Na₂O, with CIA ranging from 79 to 84. The results show that the metal Cd might be a long-time lasting heavy-metal contamination for the soils, and the contamination extents of metals Mo, Sn, Sb and U might be reduced by releasing of the metals during weathering of the soils.

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