Average concentrations of elements in Johnson County, Arkansas

    Counties page > Al in Conterminous US > Al in south-central US > Averages in Johnson County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)3.4290.6580.8335.348
ArsenicAs (ppm)9.7222.9603.41618.630
CalciumCa (wt%)0.1190.0450.0370.239
CopperCu (ppm)9.2921.8734.33914.991
IronFe (wt%)2.5560.5501.2534.261
MercuryHg (ppm)0.0350.0090.0120.060
MagnesiumMg (wt%)0.2060.0510.0420.316
ManganeseMn (ppm)963.604281.574139.6722138.100
SodiumNa (wt%)0.1080.0260.0360.205
PhosphorusP (wt%)0.0430.0070.0240.071
LeadPb (ppm)16.5962.7936.68427.981
SeleniumSe (ppm)0.3030.1280.1000.743
TitaniumTi (wt%)0.2280.0410.0620.304
ZincZn (ppm)71.69317.43024.569116.004

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