Villanueva-Lascurain, Daniel, et al. “Age and Origin of the Gabbros in the Jilotlán Pluton, Jalisco: Primitive Magmatic Rocks in the Southern Part of the Guerrero Terrane”. Revista Mexicana De Ciencias Geológicas, vol. 33, no. 1, Jan. 2018, pp. 136-5, doi:10.22201/cgeo.20072902e.2016.1.646.