Macrostrat: Geologic map of the whole world, combining hundreds of maps. NOAA Bathymetric Data Viewer: Seafloor depth and bathymetry surveys from NOAA.
| Macrostrat | NOAA Bathymetric Data Viewer | |
|---|---|---|
| Category | Geology, Terrain & Ocean Floor | Geology, Terrain & Ocean Floor |
| Coverage | Worldwide | Worldwide oceans |
| Updates | Periodically | Periodically |
| Data source | Hundreds of geologic maps | NOAA NCEI and global bathymetry |
| Made by | University of Wisconsin-Madison | NOAA NCEI |
| Price | Free | Free |
| Account | No account needed | No account needed |
| 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 NOAA Bathymetric Data Viewer
- Seafloor depth layers
- Survey footprints
- Data download
Summary based on public information. Check each map's website for current features and prices.