USGS - science for a changing world

Mineral Resources On-Line Spatial Data

    Counties page > Se in Conterminous US > Se in southwestern US > Averages in Placer County

Average concentrations of elements in Placer County, California

(Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)8.0061.1124.35111.045
ArsenicAs (ppm)7.5863.4281.60515.767
CalciumCa (wt%)2.5040.9980.2795.622
CopperCu (ppm)43.50132.4476.281216.381
IronFe (wt%)4.8911.1412.3858.212
MercuryHg (ppm)0.0360.0240.0100.169
MagnesiumMg (wt%)1.3840.4530.3832.771
ManganeseMn (ppm)1047.690272.099460.2182174.620
SodiumNa (wt%)1.3750.5490.1682.505
PhosphorusP (wt%)0.0650.0180.0110.111
LeadPb (ppm)25.3099.8729.37671.713
SeleniumSe (ppm)0.2370.1620.1000.986
TitaniumTi (wt%)0.4800.1380.1461.034
ZincZn (ppm)96.67020.74337.105176.823

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=f06061&el=Se&rf=southwestern
Page Contact Information: pschweitzer@usgs.gov
Page Last modified: 14:22 on 20-Dec-2016