Macrostrat: Geologic map of the whole world, combining hundreds of maps. River Runner: Follow a raindrop from anywhere to the sea.
| Macrostrat | River Runner | |
|---|---|---|
| Category | Geology, Terrain & Ocean Floor | Environment & Wildlife Maps |
| Coverage | Worldwide | Worldwide |
| Updates | Periodically | Static archive |
| Data source | Hundreds of geologic maps | Hydrological datasets |
| Made by | University of Wisconsin-Madison | Sam Learner |
| Price | Free | Free |
| Account | No account needed | No account needed |
| On phones | Works well on phones | Works well on phones |
| Map view | Flat map | 3D |
| 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 River Runner
- Click anywhere to trace water to the sea
- 3D flyover of the route
- River names along the way
Summary based on public information. Check each map's website for current features and prices.