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Mineral Resources On-Line Spatial Data

    Counties page > Al in Conterminous US > Al in central US > Averages in Polk County

Average concentrations of elements in Polk County, Nebraska

(Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.7360.2984.9896.307
ArsenicAs (ppm)6.6841.0574.4199.553
CalciumCa (wt%)1.6131.0150.7334.744
CopperCu (ppm)15.5441.25613.08218.642
IronFe (wt%)2.0010.2551.3962.433
MercuryHg (ppm)0.0240.0050.0110.034
MagnesiumMg (wt%)0.5380.0380.4480.644
ManganeseMn (ppm)396.76755.005268.375529.821
SodiumNa (wt%)0.9530.0440.8821.042
PhosphorusP (wt%)0.0710.0080.0510.085
LeadPb (ppm)22.0943.20716.19831.528
SeleniumSe (ppm)0.6330.1790.4081.172
TitaniumTi (wt%)0.2810.0180.2310.314
ZincZn (ppm)55.8956.99737.80067.794

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Page Last modified: 14:22 on 20-Dec-2016