Average concentrations of elements in Polk County, Oregon

    Counties page > Se in Conterminous US > Se in northwestern US > Averages in Polk County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)6.8230.2425.8077.694
ArsenicAs (ppm)6.0481.7383.22711.918
CalciumCa (wt%)2.0150.9110.7565.018
CopperCu (ppm)31.8828.33414.45554.745
IronFe (wt%)5.8411.5723.17810.560
MercuryHg (ppm)0.0290.0200.0100.119
MagnesiumMg (wt%)1.3930.6000.4373.104
ManganeseMn (ppm)1162.820209.718637.1231614.850
SodiumNa (wt%)1.1910.1060.9731.484
PhosphorusP (wt%)0.0700.0310.0030.141
LeadPb (ppm)14.5932.4299.33120.757
SeleniumSe (ppm)0.2450.1120.1020.652
TitaniumTi (wt%)0.7340.1050.5311.249
ZincZn (ppm)97.66514.99548.340137.641

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