Rolando, A. P., L. A. Hartmann, J. O. Santos, R. R. Fernández, R. O. Etcheverry, I. A. Schalamuk, and N. J. Mcnaughton. “SHRIMP U-Pb Zircon Dates from Igneous Rocks from the Fontana Lake Region, Patagonia: Implications for the Age of Magmatism, Mesozoic Geological Evolution and Age of Basement”. Revista De La Asociación Geológica Argentina, vol. 59, no. 4, Dec. 2004, pp. 671-84, https://revista.geologica.org.ar/raga/article/view/1442.