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Table 8 The mean concentrations of elements in different bedrocks

From: Risk assessment of heavy metal soil pollution through principal components analysis and false color composition in Hamadan Province, Iran

  Cu Fe Zn Cr Pb Ni V Sb Cd Co
Ultramafic 40 9.6 50 1600 1 -     0.09
Sandstone - 0.5   35 10 20   <1   
Shale 50 4.7 50-90 90 23 90 90-260 1.5   0.8
Limestone - 0.98 50 11 - <5   0.15