FOSSIL DIATOM STUDY REVEALS SIGNIFICANT FRESHWATER INPUT IN MIOCENE COASTAL MARINE ENVIRONMENTS OF THE SOUTHWESTERN ATLANTIC (PATAGONIA, ARGENTINA). Ameghiniana, [S. l.], v. 60, n. 4, p. 342–357, 2023. DOI: 10.5710/AMGH.03.03.2023.3517. Disponível em: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/3517. Acesso em: 28 sep. 2025.