AYAD, Abderrahim. Geochemical analysis of the Maastrichtian phosphate stratum “Couche 3” and its exploitability in the Sidi Daoui mine (Ouled Abdoun, Morocco). Iranian Journal of Earth Sciences, [S. l.], v. 17, n. 1, p. 1–7, 2025. DOI: 10.57647/j.ijes.2025.1701.01. Disponível em: https://oiccpress.com/ijes/article/view/8447. Acesso em: 8 jun. 2026.