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中文摘要：
对黎塘研究区不同地质条件下土壤重金属含量进行了分析和评价。结果表明,不同地层土壤以Mn含量最高,其次为Cr,石炭系下统岩关阶和泥盆系中统东岗岭阶土壤重金属含量较高,而白垩系下统小店组和第四系全新统土壤重金属含量较低。泥盆系中统东岗岭阶土壤重金属污染因子为Ni、As、Cr,综合质量级别为中等;石炭系下统岩关阶土壤重金属污染因子为Ni、As、Cr、Cu,综合质量级别为很坏;白垩系下统土壤污染因子为Cr,综合质量级别为警戒级;第四系全新统土壤重金属质量级别均为好,综合质量级别为好。
英文摘要：
Heavy metal contents of soil in difference geological conditions in Litang area were analyzed,and were evaluated by using single index and comprehensive index.The results showed that in difference stratum soil,the highest proportion was found in Mn,second to Pb.Heavy metals of soil in C1y and D2d wer higher than soil of K1x and Qh.Pollution factors of heavy metal in D2d soil were Ni,As,Cr,comprehensive quality levels were medium.C1y soil were Ni,As,Cr,Cu,comprehensive quality levels very bad.While was As in K1x soil,its level was alert,in Qh soil,quality level of heavy metals were good and comprehensive quality level was good too.
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