Average concentrations of elements in Washington County, Arkansas

    Counties page > Al in Conterminous US > Al in central US > Averages in Washington County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)3.4840.8030.9496.298
ArsenicAs (ppm)12.8135.1623.29330.018
CalciumCa (wt%)0.3710.1130.1251.003
CopperCu (ppm)9.8992.1731.38620.413
IronFe (wt%)2.7250.8050.6424.937
MercuryHg (ppm)0.3490.4930.0063.198
MagnesiumMg (wt%)0.2150.0620.0550.429
ManganeseMn (ppm)891.088235.288299.8101872.040
SodiumNa (wt%)0.1090.0230.0320.176
PhosphorusP (wt%)0.0460.0080.0130.070
LeadPb (ppm)22.9244.9736.73852.920
SeleniumSe (ppm)0.5080.2170.1201.343
TitaniumTi (wt%)0.2340.0390.0940.360
ZincZn (ppm)62.33612.10618.856104.345

Click here to download point data