Average concentrations of elements in Clayton County, Iowa

    Counties page > Mg in Conterminous US > Mg in upper-midwestern US > Averages in Clayton County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.0820.4193.3685.886
ArsenicAs (ppm)7.5341.2594.27511.943
CalciumCa (wt%)1.2410.5610.5262.982
CopperCu (ppm)15.0351.56011.04121.371
IronFe (wt%)2.2850.2811.4232.997
MercuryHg (ppm)0.0330.0050.0200.047
MagnesiumMg (wt%)0.7530.2280.3811.784
ManganeseMn (ppm)735.32376.836554.062895.161
SodiumNa (wt%)0.8160.0520.5390.991
PhosphorusP (wt%)0.0580.0080.0390.078
LeadPb (ppm)18.1131.90912.31226.425
SeleniumSe (ppm)0.3950.0810.1530.751
TitaniumTi (wt%)0.2810.0190.1840.313
ZincZn (ppm)58.8315.39545.98582.794

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