Average concentrations of elements in Clark County, Missouri

    Counties page > Hg in Conterminous US > Hg in central US > Averages in Clark County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)3.1940.6062.0455.023
ArsenicAs (ppm)7.3401.2824.06811.800
CalciumCa (wt%)0.5830.0850.4250.920
CopperCu (ppm)9.7762.5654.36317.600
IronFe (wt%)1.8330.2491.1882.588
MercuryHg (ppm)0.0140.0050.0100.032
MagnesiumMg (wt%)0.2310.0760.1040.466
ManganeseMn (ppm)786.190189.169540.0341305.270
SodiumNa (wt%)0.6330.0490.5520.766
PhosphorusP (wt%)0.0380.0060.0240.056
LeadPb (ppm)18.8612.46413.41224.842
SeleniumSe (ppm)0.3030.0710.1120.466
TitaniumTi (wt%)0.3050.0710.1620.501
ZincZn (ppm)37.7017.67917.60460.667

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