Average concentrations of elements in Knox County, Ohio

    Counties page > Mg in Conterminous US > Mg in upper-midwestern US > Averages in Knox County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)3.7570.5642.5886.165
ArsenicAs (ppm)13.7293.5147.09224.525
CalciumCa (wt%)1.3360.5650.4942.823
CopperCu (ppm)11.0603.3485.11826.094
IronFe (wt%)3.0340.3352.5204.205
MercuryHg (ppm)0.0220.0050.0100.037
MagnesiumMg (wt%)0.5440.1780.3181.115
ManganeseMn (ppm)593.24361.054404.624733.288
SodiumNa (wt%)0.6050.0840.4350.886
PhosphorusP (wt%)0.0490.0050.0340.068
LeadPb (ppm)15.9121.28912.38719.746
SeleniumSe (ppm)0.2510.0760.1050.459
TitaniumTi (wt%)0.3990.0660.2150.534
ZincZn (ppm)65.3497.40146.37791.918

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