Average concentrations of elements in Poweshiek County, Iowa

    Counties page > Al in Conterminous US > Al in upper-midwestern US > Averages in Poweshiek County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.8430.6465.0507.895
ArsenicAs (ppm)11.4182.5017.58816.854
CalciumCa (wt%)1.2280.7600.5743.062
CopperCu (ppm)20.9011.69217.11325.000
IronFe (wt%)2.7630.4082.1753.970
MercuryHg (ppm)0.0400.0160.0200.080
MagnesiumMg (wt%)0.7930.3810.4401.681
ManganeseMn (ppm)675.031134.825217.000962.339
SodiumNa (wt%)0.7670.0920.5290.880
PhosphorusP (wt%)0.0660.0150.0170.116
LeadPb (ppm)25.3464.89920.19837.000
SeleniumSe (ppm)0.4340.0610.3000.626
TitaniumTi (wt%)0.2960.0200.2490.343
ZincZn (ppm)68.69612.13154.00097.000

The values shown above were calculated from observations in nearby areas. No samples lie within Poweshiek County, Iowa.