Average concentrations of elements in Louisa County, Iowa

    Counties page > Hg in Conterminous US > Hg in central US > Averages in Louisa County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.2330.4323.8066.081
ArsenicAs (ppm)7.4901.3314.18110.878
CalciumCa (wt%)0.6430.1580.3651.442
CopperCu (ppm)13.7632.1907.74818.249
IronFe (wt%)2.1600.2201.6002.660
MercuryHg (ppm)0.0330.0080.0120.058
MagnesiumMg (wt%)0.4640.0530.3490.591
ManganeseMn (ppm)744.939168.912462.0681388.470
SodiumNa (wt%)0.8010.0260.7540.864
PhosphorusP (wt%)0.0540.0060.0420.077
LeadPb (ppm)17.3541.06115.22120.922
SeleniumSe (ppm)0.4860.1060.2820.704
TitaniumTi (wt%)0.3110.0120.2760.340
ZincZn (ppm)61.7387.87636.31880.190

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