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Major- and trace-element concentrations in soils from two geochemical surveys (1972 and 2005) of the Denver, Colorado, metropolitan area
Analyses of about 900 samples by ICP-MS, ICP-AES, and hydride generation-atomic absorption spectrometry. The samples collected in 2005 were also analyzed by a cold vapor-atomic absorption method for mercury. |
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Geochemical data for Colorado soils-Results from the 2006 state-scale geochemical survey
Major and trace element concentration data for 960 sites, providing a baseline for the natural variation in soil geochemistry in Colorado. |
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Geochemical and mineralogical data for soils of the conterminous United States
Systematic geochemical and mineralogical survey of soil horizons analyzed using a consistent set of methods, sample spacing 1 per 1,600 sq km. |
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Geochemical and mineralogical data for soils of the conterminous United States
Systematic geochemical and mineralogical survey of soil horizons analyzed using a consistent set of methods, sample spacing 1 per 1,600 sq km. |
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Major- and trace-element concentrations in soils from two continental-scale transects of the United States and Canada
Spreadsheets containing geochemical data for soils |
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