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Mineral Resources On-Line Spatial Data

National Geochemical Survey database

National-scale geochemical analysis of stream sediments and soils in the US, from existing data, reanalysis of existing samples, and new sampling. Goal for sample density is one per 289 square km.

View:
Show in a web browser window:
reduced-size image of the interactive map reduced-size image of the interactive map
Continental US Alaska
Show in Google Earth or download KML:
  • KMZ, compressed, 2.2M bytes
Show in your GIS using OGC WMS:
http://mrdata.usgs.gov/services/ngs?request=GetCapabilities&service=WMS&version=1.1.1
Download:
Download data for geographic areas you choose
Notes on using these data within ArcGIS
Get the entire data set
  • Shapefile with a subset of 53 attributes: ICP40, As, Se, Hg (74,409 samples, 5.2MB .ZIP package)
  • dBase file with all 287 attributes (77,212 records, 19.6MB .ZIP package)
  • CSV file with all 287 attributes (77,212 records, 13MB .ZIP package)
Documentation:
National Geochemical Survey - Full documentation
Complete report on the web including summaries of component datasets used to compile this resource, maps showing county-by- county average concentration of elements, and comprehensive explanations of the analytical methods.
Metadata:
[Outline] - [Questions & Answers] - [Plain text]
About the database fields
Mineral Resources Eastern Central Western Alaska Minerals Information
Spatial Data Crustal Geophysics and Geochemistry Other Mineral Related Links

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Page Contact Information: Peter Schweitzer
Page Last Modified: Wednesday, 21-May-2014 09:42:17 MDT