Average concentrations of elements in Union County, Arkansas

    Counties page > Mn in Conterminous US > Mn in south-central US > Averages in Union County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)1.7770.5300.9445.059
ArsenicAs (ppm)2.2720.7301.0086.013
CalciumCa (wt%)0.0650.0180.0310.180
CopperCu (ppm)6.0321.6943.33914.751
IronFe (wt%)0.6460.1580.3441.376
MercuryHg (ppm)0.0210.0060.0100.049
MagnesiumMg (wt%)0.0730.0330.0330.297
ManganeseMn (ppm)133.73565.15961.327552.351
SodiumNa (wt%)0.1280.0300.0330.249
PhosphorusP (wt%)0.0110.0050.0050.044
LeadPb (ppm)12.3372.4183.53824.494
SeleniumSe (ppm)0.2050.0820.1000.682
TitaniumTi (wt%)0.3170.0310.2140.398
ZincZn (ppm)19.5239.9567.79686.493

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