Petrology and geochronology of felsic volcanics in the Sabga area (Bamenda Highlands): implications for age variation along the Cameroon Volcanic Line - Bate Tibang, Edith Etakah; Suh, Cheo Emmanuel; Cottle, John; Ateh, Kevin Ijunghi; Tiabou, Anicet Feudjio; Nche, Linus Anye; Che, Vivian Bih; Vishiti, Akumbom (Journal of Geosciences, 2017)