Average concentrations of elements in Dallas County, Texas

    Counties page > Na in Conterminous US > Na in south-central US > Averages in Dallas County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)3.1980.6692.0265.846
ArsenicAs (ppm)7.2261.5863.79912.176
CalciumCa (wt%)11.5525.8462.23225.942
CopperCu (ppm)13.6863.1837.64725.610
IronFe (wt%)1.7520.3591.1042.883
MercuryHg (ppm)0.0160.0040.0100.035
MagnesiumMg (wt%)0.3450.0590.1580.502
ManganeseMn (ppm)779.026330.087261.4342022.360
SodiumNa (wt%)0.1230.0340.0630.223
PhosphorusP (wt%)0.0460.0100.0230.078
LeadPb (ppm)42.01618.40215.992123.558
SeleniumSe (ppm)0.3400.1060.1150.587
TitaniumTi (wt%)0.2120.0470.1040.335
ZincZn (ppm)49.2557.82731.47879.806

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