Average concentrations of elements in Decatur County, Iowa

    Counties page > Fe in Conterminous US > Fe in central US > Averages in Decatur County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)6.0930.5405.1327.329
ArsenicAs (ppm)11.0001.9287.09517.080
CalciumCa (wt%)0.5980.0860.4170.810
CopperCu (ppm)23.3755.05315.56937.250
IronFe (wt%)2.8110.4041.7113.777
MercuryHg (ppm)0.0380.0090.0220.068
MagnesiumMg (wt%)0.4760.0910.3530.806
ManganeseMn (ppm)502.766100.846211.579638.507
SodiumNa (wt%)0.6270.0640.5070.790
PhosphorusP (wt%)0.0550.0110.0380.081
LeadPb (ppm)32.31612.70413.31374.110
SeleniumSe (ppm)0.6930.0940.4940.894
TitaniumTi (wt%)0.3100.0130.2620.329
ZincZn (ppm)90.92033.89052.316201.803

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