USGS Home
Contact USGS
Search USGS
Mineral Resources On-Line Spatial Data
Home
Browse North America
Browse World
Download Data
About the Data
Web Services
System Requirements
Help
About this site
Feedback
National Geochemical Survey database
National Geochemical Survey - Full documentation
Select data
by geographic area
Data for the entire country:
Shapefile
with a subset of 53 attributes: ICP40, As, Se, Hg
(63,810 samples, 5.2MB .ZIP package)
dBase file
with all 286 attributes
(66,613 records, 19.6MB .ZIP package)
About the database fields
All database fields, by category
Database field categories
Formal metadata
Frequently asked questions (FAQ)
Related topics
Chemical analysis
,
Geochemistry
,
Geospatial datasets
,
Unconsolidated deposits
DBF
,
Delimited text
,
HTML table
,
KML
,
Shapefile
,
Spatial data
Mineral Resources
Eastern
Central
Western
Alaska
Minerals Information
Spatial Data
Crustal Imaging & Characterization
Other Mineral Related Links