Average concentrations of elements in Marin County, California

    Counties page > As in Conterminous US > As in southwestern US > Averages in Marin County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)6.3550.9953.1507.797
ArsenicAs (ppm)7.4321.3412.90810.426
CalciumCa (wt%)0.9920.2310.6952.027
CopperCu (ppm)36.13613.4637.44376.860
IronFe (wt%)3.2520.7641.2534.621
MercuryHg (ppm)0.1190.1420.0301.012
MagnesiumMg (wt%)0.9140.2300.3241.317
ManganeseMn (ppm)667.403162.745218.605936.030
SodiumNa (wt%)1.8830.3151.0302.853
PhosphorusP (wt%)0.0640.0170.0260.108
LeadPb (ppm)104.302252.8022.6961369.460
SeleniumSe (ppm)0.2220.0740.1000.367
TitaniumTi (wt%)0.3480.0570.1400.425
ZincZn (ppm)99.50459.42823.160378.023

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