Average concentrations of elements in Llano County, Texas

    Counties page > Mn in Conterminous US > Mn in south-central US > Averages in Llano County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.2511.0612.0527.941
ArsenicAs (ppm)4.5041.4471.36613.807
CalciumCa (wt%)6.1563.9090.66422.351
CopperCu (ppm)11.1113.3891.84522.387
IronFe (wt%)2.5510.7170.6814.649
MercuryHg (ppm)0.0130.0030.0100.034
MagnesiumMg (wt%)0.8050.2340.1141.514
ManganeseMn (ppm)646.321162.079163.7101280.060
SodiumNa (wt%)1.3630.6170.1882.556
PhosphorusP (wt%)0.0640.0210.0150.161
LeadPb (ppm)14.6433.5575.64528.933
SeleniumSe (ppm)0.2850.1770.1001.086
TitaniumTi (wt%)0.3950.1080.0770.744
ZincZn (ppm)52.63215.48816.28692.714

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