Riachão Ring

- 7.7166666666667 - 46.65Koordinaten: 7 ° 43 '0 "S, 46 ° 39 ' 0 " W

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Riachão ring is an impact crater of a meteorite in Brazil.

The diameter of the crater is 4.5 km, its age is estimated to be less than 200 million years. From the earth's surface from the impact structure is visible.