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Mineral Resources On-Line Spatial Data

Mineral Resources > Online Spatial Data > Geology

Geologic maps of US states

Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format
Data for the District of Columbia is included with Maryland. Puerto Rico is also available.
Interactive maps
Conterminous US map interface thumbnail image Alaska map interface thumbnail image
Conterminous US Alaska
Conterminous US state geology (Shapefile in ZIP package, 523 megabytes expands to 764 megabytes)
USGS-SGMC.kml KML suitable for use in Google Earth
Legend for lithology colors ArcMap Style [Instructions]

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Page Last modified: 12:29 on 17-Apr-2015

Washington Oregon California Nevada Idaho Montana Wyoming Utah Colorado Arizona New Mexico North Dakota South Dakota Nebraska Kansas Oklahoma Texas Minnesota Iowa Missouri Arkansas Louisiana Wisconsin Indiana Michigan Ohio Kentucky Tennessee Mississippi Alabama Georgia Florida South Carolina North Carolina Virginina Maryland Pennsylvania Connecticut Massachusetts Vermont New Hampshire Delaware New Jersey New York Rhode Island Maine Illinois West Virginia Alaska