Average concentrations of elements in Marshall County, Iowa

    Counties page > Mg in Conterminous US > Mg in upper-midwestern US > Averages in Marshall County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.4810.2764.4746.284
ArsenicAs (ppm)8.2731.3194.00310.539
CalciumCa (wt%)0.8860.1770.5801.529
CopperCu (ppm)16.6592.3467.69021.171
IronFe (wt%)2.3840.2281.5192.938
MercuryHg (ppm)0.0430.0070.0250.085
MagnesiumMg (wt%)0.5460.0430.4730.690
ManganeseMn (ppm)764.20454.255554.918840.527
SodiumNa (wt%)0.8600.0760.7351.177
PhosphorusP (wt%)0.0600.0040.0480.073
LeadPb (ppm)16.5091.51913.28021.544
SeleniumSe (ppm)0.4600.0700.2140.708
TitaniumTi (wt%)0.2750.0170.2070.303
ZincZn (ppm)61.5354.91147.84973.744

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