Grock is a GTK application to display geological maps of the UK, powered by libchamplain.
The base map tiles are provided by Mapbox, geological data provided by the British Geological Survey’s various Web Map Services.
This is free and open source software.
Key Features
- Menu allows toggling satellite view / gravity anomalies / magnetic anomalies / linear features.
- Opacity of geological overlay may also be changed.
- Long tap / right click to bring up information about rock type.
- Rock information on right-click.
- Satellite review.
- Works on mobile devices.
Website: codeberg.org/dburgess/grock
Support:
Developer: Daniel Burgess
License: GNU General Public License v3.0

Grock is written in C. Learn C with our recommended free books and free tutorials.
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| Grock | Displays a geological map of the UK |
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