 | Ngounouno, I., D�ruelle, B., Montigny, R., Demaiffe, D. (2005) Petrology and geochemistry of monchiquites from Tchircotch� (Garoua rift, north Cameroon, Central Africa) Mineralogy and Petrology, 83 (3) 167-190 doi:10.1007/s00710-004-0068-y | Journal (article/letter/editorial) | | monchiquites from Tchircotché (Garoua rift, north Cameroon, Central Africa) I. Ngounouno1 , B. Déruelle2...out in the Tchircotche area (Garoua rift, north Cameroon). They consist of a lamprophyric (monchiquite)...(monchiquite) series with diopside, subsilicic kaersutite and apatite phenocrysts, Ba–Ti-rich biotite microphenocrysts...differentiated basalts of the Cameroon Line. This supports a common magma source region. This mantle source is...support the occurrence of phlogopite in the source region of Tchircotche lamprophyre magma. 168 I. Ngounouno |  | | 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 |  | Yamgouot, Fadimatou Ngounouno, Déruelle, Bernard, Gbambié Mbowou, Isaac Bertrand, Ngounouno, Ismaïla, Demaiffe, Daniel (2016) Geochemistry of the volcanic rocks from Bioko Island (“Cameroon Hot Line”): Evidence for plume-lithosphere interaction. Geoscience Frontiers, 7 (5) 743-757 doi:10.1016/j.gsf.2015.06.003 | Journal (article/letter/editorial) | | Geochemistry of the volcanic rocks from Bioko Island (“Cameroon Hot Line”): Evidence for plume-lithosphere interaction...Université de Ngaoundéré, B.P. 454, Ngaoundéré, Cameroon Laboratoire de Magmatologie et Géochimie Inorganique...Université de Ngaoundéré, B.P. 115, Meiganga, Cameroon d Laboratoire de Géochimie Isotopique et Géodynamique...the presently more active volcanic zone of the Cameroon Line and composed essentially of alkaline basalts...geochemical signatures are similar to those of the Mount Cameroon rocks, and might be attributed to low degrees |  | | Report (issue) | | Hanley, Terry M. Seward, and Frederik Reutten 9. Cameroon Line alkaline magmatism (central Africa): A reappraisal...fingerprints of mantle metasomatism beneath Nyos volcano (Cameroon volcanic line) . . . . . . . . . . . . . . . ...propagation into the southern Tyrrhenian backarc region. . . . . . . . . . . . . . . . . . . . . . . ....among the volcanic provinces of the Saharan zone, Cameroon volcanic line, Angola and Namibia, and the East...studies of xenoliths from the lower crust in the region are from the Arabian plate, where juvenile Neoproterozoic |  | | Book | | ring complexes and the chapter devoted to the Cameroon line. A detailed review of African ring complexes...Mafic-Ultramafic Magmatism in the Southwest Uganda Region of the African Rift: Implications from Experimental.... . . ... 3 The Crust Under the Canary Islands Region ............. 4 Network of Fractures and Identity...Identity of Vertical Movements in the Canary Islands Region ........................... 4.1 Transoceanic and............................ 272 273 273 9 The Cameroon Line: A Review B. Deruelle, C. Moreau, C. Nkoumbou |
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