image: This is a panoramic view of the Cauca River canyon. It is here that middle Miocene sequences, sitting on South American basement, contain fragments of Panama. The Panama arc can be seen in the background. The person is standing in South American basement. 10 April 2015 issue of Science, published by AAAS. The paper, by Camilo Montes at the Universidad de los Andes in Bogota, Colombia, and colleagues was titled, 'Middle Miocene closure of the Central American Seaway.' view more
Credit: Carlos Armando Rosero