Mineralogical and geochemical evaluations of Quaternary sedimentary clay formation, Niger Delta Basin, Nigeria: Depositional environments, provenance and paleoclimatic outcomes in Umukwata and its environs case study. Commun. Phys. Sci. 2026;13(2):163-177. Accessed June 30, 2026. https://journalcps.com/index.php/volumes/article/view/751