Average concentrations of elements in Henry County, Iowa

    Counties page > Mg in Conterminous US > Mg in upper-midwestern US > Averages in Henry County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.3420.4474.4546.356
ArsenicAs (ppm)8.3141.3566.50513.602
CalciumCa (wt%)0.5900.0830.3450.865
CopperCu (ppm)16.1382.14612.65422.794
IronFe (wt%)2.1970.2921.7273.076
MercuryHg (ppm)0.0250.0060.0110.040
MagnesiumMg (wt%)0.4740.0610.3800.664
ManganeseMn (ppm)790.711135.450521.9811107.660
SodiumNa (wt%)0.7800.0310.7150.855
PhosphorusP (wt%)0.0650.0130.0370.113
LeadPb (ppm)18.8641.67714.24323.955
SeleniumSe (ppm)0.6070.1630.4011.019
TitaniumTi (wt%)0.3160.0060.2940.335
ZincZn (ppm)67.4885.95254.99980.228

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