Average concentrations of elements in Union County, Iowa

    Counties page > Fe in Conterminous US > Fe in central US > Averages in Union County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.7520.5364.8617.188
ArsenicAs (ppm)9.3550.7367.74711.223
CalciumCa (wt%)1.2810.5770.6303.359
CopperCu (ppm)18.5191.71813.90821.934
IronFe (wt%)2.3790.1621.9792.796
MercuryHg (ppm)0.0320.0050.0140.043
MagnesiumMg (wt%)0.5810.1120.3740.953
ManganeseMn (ppm)587.232102.586319.292899.788
SodiumNa (wt%)0.6730.0410.5860.759
PhosphorusP (wt%)0.0640.0070.0490.088
LeadPb (ppm)18.5321.69614.00622.135
SeleniumSe (ppm)0.4880.1130.1000.733
TitaniumTi (wt%)0.3030.0060.2840.315
ZincZn (ppm)62.1215.21147.80770.725

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