Litvak, Vanesa D., and Stella Poma. 2005. “Stratigraphy and Volcanic Facies of the of the Valle Del Cura Formation: Paleogene Volcanism in the Frontal Cordillera of San Juan”. Revista De La Asociación Geológica Argentina 60 (2):402-16. https://revista.geologica.org.ar/raga/article/view/1076.