NGDB Soil

National Geochemical Database:: Geochemistry of soils from the National Geochemical Database. Primarily inorganic elemental concentrations, most samples are from the continental US and Alaska.

Soil geochemistry
legend for volcanogenic massive sulfide deposits by type
Sample IDs
Geographic reference
OpenStreetMap
Shaded relief
US States
US Counties
US county names
USGS map quadrangles
Map quadrangle names

Need more? You can View, Download, and Understand this data source at https://MRData.usgs.gov/ngdbsoil/.

Search results

How to use this map

Show data layers

Show available data layers
Layer not shown on map
50 Sliders affect layer transparency.

Find geographic areas

Show named geographic areas
OhioClick linked area names (subdivisions or overlapping areas)
Shows the area on the map

Explore the data

Click the map to show data near to the point you clicked.
A report opens in a new window.
Click the section headings to expand or collapse reports.
To select data from a rectangular area, hold the Ctrl key (use Cmd key on Macs) and drag the pointer.
Don't search a large area this way, it takes too long. Zoom in instead.

Geographic areas

Settings