Average concentrations of elements in Mahaska County, Iowa

    Counties page > Fe in Conterminous US > Fe in central US > Averages in Mahaska County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)6.0200.7975.0727.878
ArsenicAs (ppm)12.7982.3588.45318.436
CalciumCa (wt%)0.5960.1370.4851.295
CopperCu (ppm)21.8852.18015.78425.650
IronFe (wt%)2.7580.5502.0813.960
MercuryHg (ppm)0.0310.0060.0200.050
MagnesiumMg (wt%)0.5400.1130.4340.946
ManganeseMn (ppm)682.728173.454223.3941084.750
SodiumNa (wt%)0.6880.0640.5300.791
PhosphorusP (wt%)0.0620.0230.0180.134
LeadPb (ppm)25.6613.71015.65733.852
SeleniumSe (ppm)0.4390.1070.3000.698
TitaniumTi (wt%)0.3150.0150.2760.343
ZincZn (ppm)68.3967.64854.25290.699

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