Average concentrations of elements in Lafayette County, Arkansas

    Counties page > Mn in Conterminous US > Mn in south-central US > Averages in Lafayette County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)2.2200.6001.0464.009
ArsenicAs (ppm)3.3400.7951.2555.138
CalciumCa (wt%)0.1610.1800.0320.970
CopperCu (ppm)6.0921.0984.1759.725
IronFe (wt%)0.8400.1990.3511.513
MercuryHg (ppm)0.0290.0100.0100.068
MagnesiumMg (wt%)0.1600.1210.0410.662
ManganeseMn (ppm)350.664145.099116.814968.283
SodiumNa (wt%)0.2560.1450.0490.831
PhosphorusP (wt%)0.0200.0070.0060.039
LeadPb (ppm)10.5232.3924.58619.386
SeleniumSe (ppm)0.2580.0940.1010.571
TitaniumTi (wt%)0.2330.0280.1460.310
ZincZn (ppm)21.0475.04310.04339.716

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