Geologic Maps

Since the 1800s, the USGS and its partners, the State Geological Surveys, have been producing high quality, standardized geologic maps of the Nation. Check out the National Geologic Map Database (NGMDB), which is the National archive of these maps and related geoscience reports.

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Filter Total Items: 14
Date published: March 14, 2016

Planetary Geologic Mapping Program

The Planetary Geologic Mapping Program is managed by the USGS for NASA, producing geologic maps across the Solar System.The maps are made to the same standards as similar maps for the Earth, providing a consistent high-quality product readily intelligible to any geoscientist.

Attribution: Rocky Mountain
Date published: March 7, 2016

Geologic Map Data

Digital geologic maps of the U.S. States with consistent lithology, age, GIS database structure, and format.