Average concentrations of elements in Floyd County, Iowa

    Counties page > Mg in Conterminous US > Mg in upper-midwestern US > Averages in Floyd County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.6710.2635.2776.252
ArsenicAs (ppm)8.2350.3556.9139.190
CalciumCa (wt%)0.8370.1430.5801.251
CopperCu (ppm)18.2311.84914.84622.957
IronFe (wt%)2.5060.1672.2492.949
MercuryHg (ppm)0.0330.0030.0290.040
MagnesiumMg (wt%)0.5060.0340.4340.586
ManganeseMn (ppm)721.235176.004416.0911018.340
SodiumNa (wt%)0.7480.0370.6560.822
PhosphorusP (wt%)0.0870.0140.0520.121
LeadPb (ppm)23.9784.42113.60941.538
SeleniumSe (ppm)0.6240.0870.4220.798
TitaniumTi (wt%)0.2880.0160.2590.323
ZincZn (ppm)79.1219.13561.218104.983

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