Average concentrations of elements in Boulder County, Colorado

    Counties page > Hg in Conterminous US > Hg in central US > Averages in Boulder County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)6.6680.5705.2147.746
ArsenicAs (ppm)8.5055.4391.04133.875
CalciumCa (wt%)1.6200.3930.8022.912
CopperCu (ppm)29.52219.5028.342139.883
IronFe (wt%)3.8291.1202.0116.701
MercuryHg (ppm)0.1700.1490.0150.922
MagnesiumMg (wt%)0.7470.1640.3781.178
ManganeseMn (ppm)694.503339.825247.0592261.760
SodiumNa (wt%)1.3110.2410.8442.226
PhosphorusP (wt%)0.1370.0480.0700.334
LeadPb (ppm)126.129128.97825.668794.336
SeleniumSe (ppm)0.7150.2720.1731.699
TitaniumTi (wt%)0.3300.0880.1630.609
ZincZn (ppm)134.23352.42758.246355.293

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