Average concentrations of elements in Johnson County, Texas

    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%)3.0430.5411.0354.681
ArsenicAs (ppm)8.8042.2093.51216.456
CalciumCa (wt%)6.5292.8151.29415.957
CopperCu (ppm)8.6691.3235.09213.929
IronFe (wt%)1.7930.3630.6362.442
MercuryHg (ppm)0.0120.0010.0100.020
MagnesiumMg (wt%)0.2820.0580.0900.444
ManganeseMn (ppm)592.068176.207130.7971105.290
SodiumNa (wt%)0.0910.0190.0280.152
PhosphorusP (wt%)0.0350.0080.0120.057
LeadPb (ppm)19.4633.3855.41932.597
SeleniumSe (ppm)0.3970.1010.1360.889
TitaniumTi (wt%)0.1830.0270.0980.263
ZincZn (ppm)33.3007.98412.97066.960

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