Average concentrations of elements in Knox County, Nebraska

    Counties page > Hg in Conterminous US > Hg in central US > Averages in Knox County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)4.8510.4413.8515.872
ArsenicAs (ppm)6.5192.6311.87114.477
CalciumCa (wt%)1.5500.5970.6943.691
CopperCu (ppm)13.4573.9203.39820.281
IronFe (wt%)2.0580.3760.6263.536
MercuryHg (ppm)0.0240.0090.0100.040
MagnesiumMg (wt%)0.4320.1550.1280.698
ManganeseMn (ppm)880.068319.229185.8872122.700
SodiumNa (wt%)0.9630.0930.7831.208
PhosphorusP (wt%)0.0610.0240.0190.112
LeadPb (ppm)23.6394.06412.20538.223
SeleniumSe (ppm)1.6531.3340.1127.807
TitaniumTi (wt%)0.3860.1680.1771.120
ZincZn (ppm)54.05014.46511.77474.949

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