The Vista Alegre crater is a meteorite crater in Coronel Vivida, Paraná State, Brazil. On the surface it appears as a circular, relatively flat plain within otherwise hilly terrain.
Description It is in diameter and the age is estimated to be less than 65 million years (Paleocene or younger). More recently, a date of about 115 Ma has been givenA. Crósta, M. Vasconcelos (2013). Update On The Current Knowledge Of The Brazilian Impact Craters, 44th Lunar and Planetary Science Conference (2013) and closer to the age of Vargeão Dome. Considering the proximity of location, age, and stratigraphic similarities of Vista Alegre and Vargeão, it has been proposed that it was a double impact.A. Crósta, C. Kazzuo-Vieira and A. Schrank (2004). Vista Alegre: A Newly Discovered Impact Crater In Southern Brazil. Extract from the 67th Annual Meteoritical Society Meeting" in 2004.
See also
Vargeão Dome
References