Average concentrations of elements in Polk County, Missouri

    Counties page > Zn in Conterminous US > Zn in central US > Averages in Polk County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)3.6310.6592.1445.683
ArsenicAs (ppm)7.9330.8455.5599.963
CalciumCa (wt%)1.7290.6970.4254.504
CopperCu (ppm)11.3121.7246.85415.877
IronFe (wt%)2.4250.5141.6555.250
MercuryHg (ppm)0.0150.0070.0100.053
MagnesiumMg (wt%)0.8320.2690.2871.608
ManganeseMn (ppm)1180.100206.583703.2801989.780
SodiumNa (wt%)0.2730.1850.1201.386
PhosphorusP (wt%)0.0370.0080.0250.078
LeadPb (ppm)82.680167.71613.5341115.530
SeleniumSe (ppm)0.2790.0640.1030.454
TitaniumTi (wt%)0.2490.0890.1350.750
ZincZn (ppm)78.24994.44827.365664.919

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