Llambías, E.J., D. Gregori, M.A. Base, R. Varela, and C. Prozzi. 2003. “Neoproterozoic Rhyolite Ignimbrites in the Sierra Norte De Córdoba: Evidence of an Early Magmatic Arc in the Pampean Cycle?”. Revista De La Asociación Geológica Argentina 58 (4):572-82. https://revista.geologica.org.ar/raga/article/view/1551.