3 days ago · U.S. Department of the Interior | U.S. Geological Survey Supported by the National Cooperative Geologic Mapping Program Page Contact Information: Personnel Page Last Modified: …

Apr 23, 2025 · This web map portrays the U.S. Geological Survey's (USGS) State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. The SGMC represents a …

With over 225 maps from data providers around the world across every scale, Macrostrat is the world's largest homogenized geologic map database.

Explore, interact, and download geologic maps from the USGS National Geologic Map Database.

Digital geological mapping is the process by which geological features are observed, analyzed, and recorded in the field and displayed in real-time on a computer or personal digital assistant (PDA).

Oct 15, 2025 · U.S. Geological Survey (USGS) announced the tool on August 28, 2025. This geologic map shows both the types and ages of rocks and sediments at and below the surface, organized into …

Sep 26, 2025 · Credit: USGS, Public Domain A new, precisely detailed map of the continental United States puts data from more than a hundred different geologic maps into one interactive interface.

Jun 20, 2024 · The following links will take you to state geologic maps. Most of the maps are posted and maintained by state geologic survey organizations. To learn more about your state survey, visit The …

Geologic maps are uniquely suited to solving problems involving Earth resources, hazards, and environments. Geologic maps represent the distribution of different types of rock and surficial …

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