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Riachão Ring

Coordinates: 7°43′S 46°39′W / 7.717°S 46.650°W / -7.717; -46.650
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Riachão Ring
Landsat image of the Riachão Ring
Impact crater/structure
ConfidenceConfirmed
Diameter4.5 km (2.8 mi)
Age<200 Ma
ExposedYes
DrilledNo
Location
LocationParnaíba Basin
Coordinates7°43′S 46°39′W / 7.717°S 46.650°W / -7.717; -46.650
CountryBrazil
StateMaranhão
Riachão Ring is located in Brazil
Riachão Ring
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]

References

  1. ^ "Riachão Ring". Earth Impact Database. Planetary and Space Science Centre University of New Brunswick Fredericton. Retrieved 2017-10-09.


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