Echeverri, S.; Cardona, A.; Pardo-Trujillo, A.; Borrero, C.; Rosero, S.; López, S. Correlation and Ar-Ar Geochronology of the Cretaceous Basement and the Upper Eocene - Miocene (lower Aquitanian) Sedimentary Filling of the Tumaco Forearc Basin, Southwest Colombia. revmexcg 2018, 32, 179-189.