Mora Alvárez, G., Caballero Miranda, C., Urrutia Fucugauchi, J., & Uchiumi, S. (1991). Southward migration of volcanic activity in the Sierra de Las Cruces, basin of Mexico? - A preliminary K -Ar dating and palaeomagnetic study. Geofísica Internacional, 30(2), 61–70. https://doi.org/10.22201/igeof.00167169p.1991.30.2.1134