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 Jun. 23];13(2):119-33. Available from: http://gananventas.com/lajsba/article/view/89