Average concentrations of elements in Davis County, Iowa

    Counties page > Fe in Conterminous US > Fe in central US > Averages in Davis County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.3620.3254.4176.399
ArsenicAs (ppm)8.6410.9916.83513.073
CalciumCa (wt%)0.4600.0340.3210.534
CopperCu (ppm)19.0574.33511.75837.900
IronFe (wt%)2.3170.2391.7903.103
MercuryHg (ppm)0.0270.0040.0200.039
MagnesiumMg (wt%)0.4330.0570.3160.639
ManganeseMn (ppm)490.88677.972339.648729.240
SodiumNa (wt%)0.6820.0690.4880.870
PhosphorusP (wt%)0.0430.0030.0330.058
LeadPb (ppm)22.5362.90816.55036.271
SeleniumSe (ppm)0.5160.0590.4020.673
TitaniumTi (wt%)0.3200.0110.2560.341
ZincZn (ppm)65.50319.93942.336152.168

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