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 [Internet]. 2021 Mar. 31 [cited 2026 Oct. 2];13(2):119-33. Available from: https://lajsba.sedimentologia.org.ar/lajsba/article/view/89