Average concentrations of elements in Lewis and Clark County, Montana

    Counties page > Se in Conterminous US > Se in northwestern US > Averages in Lewis and Clark County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)6.1021.0351.2548.179
ArsenicAs (ppm)16.37917.1443.240161.377
CalciumCa (wt%)3.3422.7190.49122.567
CopperCu (ppm)53.61872.2766.339619.877
IronFe (wt%)3.0001.0090.5828.481
MercuryHg (ppm)0.2500.7040.0116.197
MagnesiumMg (wt%)1.3640.7730.4157.366
ManganeseMn (ppm)610.906325.845149.8162732.720
SodiumNa (wt%)0.8400.2730.1321.766
PhosphorusP (wt%)0.0740.0200.0330.154
LeadPb (ppm)29.38421.1523.656146.808
SeleniumSe (ppm)0.4280.1580.1031.980
TitaniumTi (wt%)0.3090.0930.0660.836
ZincZn (ppm)96.39751.27526.354445.128

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