Provenance and Tectonic Setting of Amasiri Sandstone (Turonian) in Ugep Area, Southern Benue Trough, Nigeria: Evidences from Petrography and Geochemistry. GJSFR [Internet]. 2013 Aug. 3 [cited 2026 Aug. 10];13(H2):33-40. Available from: https://journalofscience.org/index.php/GJSFR/article/view/997