National Geochemical Database

Geochemistry of rocks, sediments, soils, and concentrates from the National Geochemical Database. Primarily inorganic elemental concentrations, most samples are of earth materials in the continental US and Alaska.


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ngdbrock.kmz (Rock geochemistry 1.5 Mbytes)

ngdbsed.kmz (Sediment geochemistry 8.4 Mbytes)

ngdbsoil.kmz (Soil geochemistry 2.4 Mbytes)

ngdbconc.kmz (Concentrate geochemistry 3.4 Mbytes)


Rock geochemistry

Sediment geochemistry

Soil geochemistry

Concentrate geochemistry

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