Average concentrations of elements in Cross County, Arkansas

    Counties page > Mg in Conterminous US > Mg in southeastern US > Averages in Cross County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.1901.3652.9998.220
ArsenicAs (ppm)7.0711.5264.20311.310
CalciumCa (wt%)0.3420.0520.1920.466
CopperCu (ppm)15.1595.9887.51027.706
IronFe (wt%)2.1870.6891.1023.959
MercuryHg (ppm)0.0380.0060.0300.059
MagnesiumMg (wt%)0.4040.2110.1570.911
ManganeseMn (ppm)499.958142.957165.274826.045
SodiumNa (wt%)0.6180.1070.2680.879
PhosphorusP (wt%)0.0410.0150.0170.082
LeadPb (ppm)18.5152.51015.00425.792
SeleniumSe (ppm)0.3950.1570.1000.782
TitaniumTi (wt%)0.3320.0190.2870.385
ZincZn (ppm)57.84422.27628.79799.463

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