Average concentrations of elements in Knox County, Texas

    Counties page > Na in Conterminous US > Na in south-central US > Averages in Knox County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.4080.7952.8747.316
ArsenicAs (ppm)5.9131.1942.5129.072
CalciumCa (wt%)3.2761.4261.2488.934
CopperCu (ppm)10.6893.9725.44122.686
IronFe (wt%)2.5920.4551.2413.543
MercuryHg (ppm)0.0380.0410.0100.169
MagnesiumMg (wt%)1.9060.3810.6632.600
ManganeseMn (ppm)508.523140.579327.211884.406
SodiumNa (wt%)0.6170.0680.4010.838
PhosphorusP (wt%)0.0410.0060.0230.054
LeadPb (ppm)17.9643.17712.85226.921
SeleniumSe (ppm)0.3000.1900.1040.896
TitaniumTi (wt%)0.2530.0390.1660.345
ZincZn (ppm)49.2628.55423.29071.287

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