Ugwuonah E, Obiora C. Geothermometric and Geobarometric signatures of metamorphism in the Precambrian basement complex rocks around Keffi, north-central Nigeria. gjs [Internet]. 2015 May 7 [cited 2026 Nov. 5];51(1):73-87. Available from: https://www.ajol.info/index.php/gjs/article/view/116696