Macrostrat: Geologic map of the whole world, combining hundreds of maps. OpenTopography: High-resolution lidar and elevation data, searchable on a map.
| Macrostrat | OpenTopography | |
|---|---|---|
| Category | Geology, Terrain & Ocean Floor | Geology, Terrain & Ocean Floor |
| Coverage | Worldwide | Worldwide |
| Updates | Periodically | Periodically |
| Data source | Hundreds of geologic maps | Lidar surveys and global DEMs |
| Made by | University of Wisconsin-Madison | San Diego Supercomputer Center and partners |
| Price | Free | Free |
| Account | No account needed | Free to view, account for extras |
| On phones | Works well on phones | Best on a computer |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with Macrostrat
- Seamless global geologic map
- Rock age and type for any point
- Stratigraphic columns
- Rockd mobile app
What you can do with OpenTopography
- Lidar datasets on a map
- Global elevation models
- Online processing
Summary based on public information. Check each map's website for current features and prices.