“Compositional analysis and origin of the Peñas Coloradas Formation, Río Chico Group (Late Paleocene-Eocene?), in the eastern region of the Golfo de San Jorge basin, Chubut, Argentina”, LAJSBA, vol. 13, no. 2, pp. 119–133, Mar. 2021, Accessed: Jul. 09, 2026. [Online]. Available: http://www.gananventas.com/lajsba/article/view/89