USGS - science for a changing world

Mineral Resources On-Line Spatial Data

    Counties page > Se in Conterminous US > Se in southwestern US > Averages in San Mateo County

Average concentrations of elements in San Mateo County, California

(Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)6.5431.2954.0208.403
ArsenicAs (ppm)4.3721.4041.62510.095
CalciumCa (wt%)1.6950.5020.9412.963
CopperCu (ppm)26.7207.4176.18142.989
IronFe (wt%)2.8550.7061.2584.811
MercuryHg (ppm)0.0990.0720.0210.399
MagnesiumMg (wt%)1.3020.6590.2443.378
ManganeseMn (ppm)594.912136.636339.457941.811
SodiumNa (wt%)1.9520.2261.0932.489
PhosphorusP (wt%)0.0520.0210.0200.094
LeadPb (ppm)193.415181.1024.108658.528
SeleniumSe (ppm)0.2190.1750.1000.933
TitaniumTi (wt%)0.4690.1000.3270.798
ZincZn (ppm)69.14419.93636.188147.956

Click here to download point data


Accessibility FOIA Privacy Policies and Notices

USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: https://mrdata.usgs.gov/geochem/county.php?place=f06081&el=Se&rf=southwestern
Page Contact Information: pschweitzer@usgs.gov
Page Last modified: 14:22 on 20-Dec-2016