Riachão Ring

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Riachão Ring
Riachão Ring LC08 L1TP 221065 20170606 20170616 01 T1.jpg
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 Parnaíba Basin
Coordinates 7°43′S 46°39′W / 7.717°S 46.650°W / -7.717; -46.650Coordinates: 7°43′S 46°39′W / 7.717°S 46.650°W / -7.717; -46.650
Country  Brazil
State Maranhão
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]