Average concentrations of elements in Dallas County, Iowa

    Counties page > Fe in Conterminous US > Fe in central US > Averages in Dallas County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.5770.2464.9326.178
ArsenicAs (ppm)8.2421.2505.70613.014
CalciumCa (wt%)1.0460.6960.4694.525
CopperCu (ppm)16.0461.87811.64922.776
IronFe (wt%)2.4810.2271.7793.007
MercuryHg (ppm)0.0300.0050.0160.041
MagnesiumMg (wt%)0.6300.2250.3491.772
ManganeseMn (ppm)742.119100.048594.2491152.120
SodiumNa (wt%)0.8700.0680.7341.126
PhosphorusP (wt%)0.0490.0070.0320.064
LeadPb (ppm)16.3641.69112.62020.872
SeleniumSe (ppm)0.4280.0780.2070.690
TitaniumTi (wt%)0.2780.0210.1970.307
ZincZn (ppm)58.9485.14051.05877.296

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