Average concentrations of elements in Madison County, Texas

    Counties page > Al in Conterminous US > Al in south-central US > Averages in Madison County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)3.1030.4571.7994.419
ArsenicAs (ppm)6.8431.8542.74612.052
CalciumCa (wt%)0.2520.0480.1300.375
CopperCu (ppm)4.4681.0772.1316.987
IronFe (wt%)1.5670.5360.8893.552
MercuryHg (ppm)0.0240.0040.0180.040
MagnesiumMg (wt%)0.1570.0260.1050.254
ManganeseMn (ppm)246.04262.128147.547526.471
SodiumNa (wt%)0.3790.1220.0870.626
PhosphorusP (wt%)0.0190.0040.0080.025
LeadPb (ppm)14.1692.7448.35021.953
SeleniumSe (ppm)0.2630.0720.1130.499
TitaniumTi (wt%)0.3060.0500.2150.415
ZincZn (ppm)29.2455.17818.77038.931

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