Bücher von Juan Federico Ponce

Contains different historical, social and natural aspects of this remote island and includes chapters about: the scientific and historical background; physiographic data, with a topographical and hydrological description; climate and oceanographic circulation; vegetation; geology, including stratigraphy, structure and geological history.

A complete and updated catalogue of impact craters and structures in South America from 2014 is presented here. However, two possible impact structures are larger than Araguainha: Malvinas, (with 250 kilometers in diameter) and Vichada in Colombia, (50 kilometers).