Average concentrations of elements in Brooks County, Texas

    Counties page > Na in Conterminous US > Na in south-central US > Averages in Brooks County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)2.2790.1571.8432.723
ArsenicAs (ppm)5.0523.3361.67613.072
CalciumCa (wt%)1.7451.1520.4066.387
CopperCu (ppm)4.5291.3863.0007.996
IronFe (wt%)0.5510.1910.2050.926
MercuryHg (ppm)0.0210.0140.0100.086
MagnesiumMg (wt%)0.5740.2530.1530.989
ManganeseMn (ppm)95.73922.03341.802153.937
SodiumNa (wt%)0.4500.0970.2620.579
PhosphorusP (wt%)0.0180.0050.0110.035
LeadPb (ppm)11.0784.9625.09327.978
SeleniumSe (ppm)0.1600.0430.1000.297
TitaniumTi (wt%)0.1410.0230.0800.189
ZincZn (ppm)17.7136.8286.17432.985

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