Geochemistry of sediments from the PLUTO database

Geochemical data for unconsolidated sediments (stream sediments, lake sediments, etc.) collected in the US and analyzed by the USGS. These data were originally entered in the PLUTO database, which is now merged into the National Geochemistry Database.

• Database documentation (metadata)
• About the database fields
  • All database fields, by category
  • Database field categories
  • Alphabetical listing of database fields
• Select data by geographic area
• Download the entire dataset (6.3 Mb zipped shapefile, expands to 104 Mb)