Average concentrations of elements in Shelby County, Texas

    Counties page > Na in Conterminous US > Na in south-central US > Averages in Shelby County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)2.5360.7160.7014.412
ArsenicAs (ppm)3.1071.0990.9648.671
CalciumCa (wt%)0.1490.0620.0320.335
CopperCu (ppm)4.7571.5141.3278.815
IronFe (wt%)1.1300.3100.4571.957
MercuryHg (ppm)0.0140.0040.0100.030
MagnesiumMg (wt%)0.1510.0640.0340.385
ManganeseMn (ppm)209.02995.66681.220671.399
SodiumNa (wt%)0.3980.1220.0460.756
PhosphorusP (wt%)0.0190.0050.0070.038
LeadPb (ppm)6.8690.9942.30210.653
SeleniumSe (ppm)0.2270.0740.1010.400
TitaniumTi (wt%)0.2820.0310.1820.373
ZincZn (ppm)24.1485.7488.74737.349

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