Average concentrations of elements in O'Brien County, Iowa

    Counties page > Fe in Conterminous US > Fe in central US > Averages in O'Brien County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)6.0320.1435.6816.567
ArsenicAs (ppm)10.7130.6208.92712.252
CalciumCa (wt%)0.7160.0600.6140.967
CopperCu (ppm)19.9510.63918.11122.114
IronFe (wt%)2.8680.1092.6763.190
MercuryHg (ppm)0.0460.0160.0350.117
MagnesiumMg (wt%)0.6580.0320.5990.750
ManganeseMn (ppm)795.66660.235682.5601000.510
SodiumNa (wt%)0.7510.0230.6980.835
PhosphorusP (wt%)0.0850.0070.0530.096
LeadPb (ppm)18.0401.06716.02121.476
SeleniumSe (ppm)0.6160.0950.3030.779
TitaniumTi (wt%)0.2930.0100.2760.333
ZincZn (ppm)80.5451.78074.63783.809

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