Average concentrations of elements in Cass County, Iowa

    Counties page > Hg in Conterminous US > Hg in central US > Averages in Cass County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)6.0960.2045.5766.606
ArsenicAs (ppm)13.8731.32710.99816.899
CalciumCa (wt%)0.6200.0530.5260.785
CopperCu (ppm)21.9521.67418.98026.057
IronFe (wt%)2.9570.2192.4703.637
MercuryHg (ppm)0.0380.0050.0260.050
MagnesiumMg (wt%)0.6160.0380.5360.717
ManganeseMn (ppm)826.50569.582544.742938.914
SodiumNa (wt%)0.7480.0550.5710.842
PhosphorusP (wt%)0.0660.0050.0520.083
LeadPb (ppm)17.6340.60816.08119.392
SeleniumSe (ppm)0.6000.0870.4170.890
TitaniumTi (wt%)0.3040.0070.2820.328
ZincZn (ppm)78.9907.39566.592102.425

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