Rodríguez-García, G., and C. M. Celada-Arango. “San Pablo Basalts: An Island Arc Block in the North of the Central Cordillera of Colombia. Petrographic and Chemical Characterization”. Boletín De Geología, vol. 40, no. 2, June 2018, pp. 69-85, doi:10.18273/revbol.v40n2-2018004.