| | Journal (article/letter/editorial) | Clinopyroxene from some felsic alkaline rocks of the Cameroon Line, central Africa: petrological implications...rocks belonging to the continental part of the Cameroon Line (CL). The investigated samples include both...contamination on the observed trends. Key-words: Cameroon Line, alkaline complexes, felsic rocks, Zr- and...aegirines, clinopyroxene trends. 1. Introduction The Cameroon Line (CL) is a prominent geological feature in...represented by the volcanic massifs of Mount Cameroon, Rumpi, Manengouba, Bambouto, Oku and the volcanic | | | Journal (article/letter/editorial) | volcanism in the Upper Benue valley, northern Cameroon (Central Africa) Received: 16 June 2002 / Accepted:...mean) occur in the Upper Benue valley, northern Cameroon (Central Africa). The complete alkaline series...both the continental and oceanic sectors of the Cameroon Line. The Upper Benue valley basaltic magmas (87Sr/86Sr0...Garoua rift is the N120E–130E propagation in Cameroon of the Yola branch and is limited by strike-slip...(shaded rectangle) in the Upper Benue valley. The Cameroon Line, a succession of horsts and rifts (rift names | | | Book | ring complexes and the chapter devoted to the Cameroon line. A detailed review of African ring complexes... XIV 2 Contents Phanerozoic Volcanism of Southwest Uganda: A Case for Regional K and lile Enrichment...Ultrapotassic Mafic-Ultramafic Magmatism in the Southwest Uganda Region of the African Rift: Implications from...Mafic-Ultramafic Ultra potassic Rocks of the Southwest Ugandan Area ........................... 3 Inferences.... . . ... 3 The Crust Under the Canary Islands Region ............. 4 Network of Fractures and Identity |
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