Average concentrations of elements in Shelby County, Iowa

    Counties page > Zn in Conterminous US > Zn in central US > Averages in Shelby County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.8910.2215.4846.569
ArsenicAs (ppm)10.9771.6166.71615.883
CalciumCa (wt%)0.7000.1410.4221.411
CopperCu (ppm)20.5011.23817.27324.657
IronFe (wt%)2.6580.0782.4772.879
MercuryHg (ppm)0.0320.0050.0200.040
MagnesiumMg (wt%)0.6250.0480.5360.858
ManganeseMn (ppm)892.56930.559825.0061001.670
SodiumNa (wt%)0.8350.0450.7140.930
PhosphorusP (wt%)0.0730.0060.0620.089
LeadPb (ppm)17.7141.18415.07721.716
SeleniumSe (ppm)0.5740.0490.4140.696
TitaniumTi (wt%)0.2950.0090.2660.315
ZincZn (ppm)74.5121.48970.92478.657

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