Riachão Ring
 Landsat image of the Riachão Ring | |
| Impact crater/structure | |
|---|---|
| Confidence | Confirmed |
| Diameter | 4.5 km (2.8 mi) |
| Age | <200 Ma |
| Exposed | Yes |
| Drilled | No |
| Location | |
| Location | Parnaíba Basin |
| Coordinates | 7°43′S 46°39′W / 7.717°S 46.650°WCoordinates: 7°43′S 46°39′W / 7.717°S 46.650°W |
| Country | Brazil |
| State | Maranhão |
  Location of the crater in Brazil | |
Riachão Ring is a meteorite crater (astrobleme) in Brazil.
It is 4.5 kilometres (2.8 mi) in diameter and the age is estimated to be less than 200 million years (Jurassic or younger). The crater is exposed at the surface.[1]
1978 panoramic camera subframe
References[]
- ^ "Riachão Ring". Earth Impact Database. Planetary and Space Science Centre University of New Brunswick Fredericton. Retrieved 2017-10-09.
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Categories:
- Earth Impact Database
- Impact craters of Brazil
- Jurassic impact craters
- Landforms of Maranhão
- Geology of Brazil
- Maranhão geography stubs
- Regional geology stubs