K. M. Haase, B. Goldschmidt, and D. Garbe-schönberg, Petrogenesis of Tertiary Continental Intra-plate Lavas from the Westerwald Region, Germany, Journal of Petrology, vol.45, issue.5, pp.883-905, 2004.
DOI : 10.1093/petrology/egg115

A. N. Halliday, A. P. Dickin, A. E. Fallick, and J. G. Fitton, Mantle Dynamics: A Nd, Sr, Pb and O Isotopic Study of the Cameroon Line Volcanic Chain, Journal of Petrology, vol.29, issue.1, pp.181-211, 1988.
DOI : 10.1093/petrology/29.1.181

A. N. Halliday, J. P. Davidson, P. Holden, C. Dewolf, D. Lee et al., Trace-element fractionation in plumes and the origin of HIMU mantle beneath the Cameroon line, Nature, vol.347, issue.6293, pp.523-546, 1990.
DOI : 10.1038/347523a0

B. Hamelin and C. J. Allègre, Large-scale regional units in the depleted upper mantle revealed by an isotope study of the South-West Indian Ridge, Nature, vol.65, issue.6016, pp.196-198, 1985.
DOI : 10.1038/315196a0

B. B. Hanan and D. W. Graham, Lead and Helium Isotope Evidence from Oceanic Basalts for a Common Deep Source of Mantle Plumes, Science, vol.272, issue.5264, pp.991-995, 1996.
DOI : 10.1126/science.272.5264.991

S. R. Hart, A large-scale isotope anomaly in the Southern Hemisphere mantle, Nature, vol.83, issue.5971, pp.753-756, 1984.
DOI : 10.1038/309753a0

S. R. Hart, Heterogeneous mantle domains: signatures, genesis, and mixing chronologies. Earth 558 and Planetary Science Letters 90, pp.273-296, 1988.

S. R. Hart, E. H. Hauri, L. A. Oschmann, and J. A. Whitehead, Mantle Plumes and Entrainment: Isotopic Evidence, Science, vol.256, issue.5056, pp.517-520, 1992.
DOI : 10.1126/science.256.5056.517

C. J. Hawkesworth, N. W. Rogers, and P. W. Vancalsteren, Mantle enrichment processes, Nature, vol.70, issue.5, pp.311-331, 1984.
DOI : 10.1038/311331a0

A. Hoffman, Mantle geochemistry: the message from oceanic volcanism, Nature, vol.385, issue.6613, pp.219-229, 1997.
DOI : 10.1038/385219a0

G. A. Jenner, S. F. Foley, S. E. Jackson, T. H. Green, B. J. Fryer et al., Determination 569 of partition coefficients for trace elements in high pressure?temperature experimental run products by 570 laser ablation microprobe-inductively coupled plasma mass spectrometry, 1994.

S. Jung and P. Masberg, Major and trace element systematics and isotope geochemistry of 574, 1998.

S. Jung and S. Hoernes, The major-and trace element and isotope (Sr, Nd, O) geochemistry of 579, 2000.

C. Jung, S. Jung, E. Hoffer, and J. Berndt, Petrogenesis of Tertiary Mafic Alkaline Magmas in the 584, 2006.

P. Kamgang, G. Chazot, E. Njonfang, and F. Tchoua, Geochemistry and geochronology of mafic rocks from Bamenda Mountains (Cameroon): Source composition and crustal contamination along the Cameroon Volcanic Line, Comptes Rendus Geoscience, vol.340, issue.12, pp.850-857, 2008.
DOI : 10.1016/j.crte.2008.08.008

P. Kamgang, E. Njonfang, A. Nono, D. M. Gountie, and F. Tchoua, Petrogenesis of a silicic magma system: Geochemical evidence from Bamenda Mountains, NW Cameroon, Cameroon Volcanic Line, Journal of African Earth Sciences, vol.58, issue.2, pp.285-304, 2010.
DOI : 10.1016/j.jafrearsci.2010.03.008

A. B. Kampunzu and M. Popoff, Distribution of the main Phanerozoic African rifts and associated 599 magmatism, introductory notes, Magmatism in Extensional 600, 1991.

L. Bas, M. Le-maitre, R. Streckeisen, A. Zanettin, and B. , A Chemical Classification of Volcanic Rocks Based on the Total Alkali-Silica Diagram, Journal of Petrology, vol.27, issue.3, pp.745-750, 1986.
DOI : 10.1093/petrology/27.3.745

D. C. Lee, A. N. Halliday, G. J. Fitton, and G. Poli, Isotopic variations with distance and time in the 606 volcanic islands of the Cameroon Line: evidence of the mantle plume origin. Earth and Planetary 607, Science Letters, vol.123, pp.119-138, 1994.

D. C. Lee, A. N. Halliday, G. R. Davies, E. J. Essene, . J. Fitton et al., Melt 610 enrichment of shallow depleted mantle: a detailed petrological, p.611, 1996.

C. C. Lundstrom, K. Hoernle, and J. Gill, U-series disequilibria in volcanic rocks from the Canary Islands: Plume versus lithospheric melting, Geochimica et Cosmochimica Acta, vol.67, issue.21, pp.4153-4177, 2003.
DOI : 10.1016/S0016-7037(03)00308-9

R. Macdonald, N. W. Rogers, J. G. Fitton, S. Black, and M. Smith, Plume-Lithosphere Interactions in the Generation of the Basalts of the Kenya Rift, East Africa, Journal of Petrology, vol.42, issue.5, pp.877-900, 2001.
DOI : 10.1093/petrology/42.5.877

G. A. Mahood and R. E. Drake, K?Ar dating young rhyolitic rocks: a case study of the, Sierra La, vol.620, 1982.

. Ngaoundere, 40 Ar? 39 Ar dates, petrology, Sr?Nd?O isotopes and their petrogenetic significance. 625, Contributions to Mineralogy and Petrology, vol.135, pp.133-150

A. Marzoli, E. M. Peccirillo, P. R. Renne, G. Bellieni, M. Iacumin et al., The Cameroon Volcanic Line Revisited: Petrogenesis of Continental Basaltic Magmas from Lithospheric and Asthenospheric Mantle Sources, Journal of Petrology, vol.41, issue.1, pp.87-109, 2000.
DOI : 10.1093/petrology/41.1.87

W. F. Mcdonough, Compositional model for the Earth " s core, the Mantle and Core Treatise on Geochemistry Elservier. 633 Perganon, pp.547-568, 2003.

E. A. Middlemost, The basalt clan, Earth-Science Reviews, vol.11, issue.4, pp.337-364, 1975.
DOI : 10.1016/0012-8252(75)90039-2

A. Miyashiro, Nature of alkalic volcanic rock series. Contribution of Mineralogy and Petrology 638 66, pp.91-104, 1978.

N. Morimoto, J. Fabries, A. K. Ferguson, I. V. Ginzburg, M. Ross et al., Nomenclature of pyroxenes, American Mineralogist, vol.173, pp.1123-1133, 1988.

D. G. Nkouathio, K. Dongmo, A. Bardintzeff, J. Wandji, P. Bellon et al., Evolution of volcanism in graben and horst structures along the Cenozoic Cameroon Line (Africa): implications for tectonic evolution and mantle source composition, Mineralogy and Petrology, vol.14, issue.4, pp.287-303, 2008.
DOI : 10.1007/s00710-008-0018-1
URL : https://hal.archives-ouvertes.fr/insu-00345000

C. Nzolang, Crustal evolution of the Preacambrian basement in west Cameroon: inference from 657 geochemistry, Sr?Nd and experimental investigation of some granitoids and metamorphic rocks, p.207, 2005.

C. Nzolang, H. Kagami, J. P. Nzenti, and F. Holtz, Geochemistry and preliminary data on the 661 Neoproterozoic granitoids from the Bantoun area, West Cameroon: evidence for a derivation from a 662 Paleoproterozoic to Archean crust, Polar Geoscience, vol.16, pp.196-226, 2003.

K. Rankenburg, J. C. Lassiter, and G. Brey, The Role of Continental Crust and Lithospheric Mantle in the Genesis of Cameroon Volcanic Line Lavas: Constraints from Isotopic Variations in Lavas and Megacrysts from the Biu and Jos Plateaux, Journal of Petrology, vol.46, issue.1, pp.169-190, 2005.
DOI : 10.1093/petrology/egh067

E. L. Schweitzer, J. J. Papike, and A. E. Bence, Statistical analysis of clinopyroxenes from deep-sea 669 basalts, American Mineralogist, vol.64, pp.501-513, 1979.

J. Sibuet and J. Mascle, Plate kinetic implications of Atlantic equatorial fracture zone trends, Geophysic Research, vol.672, issue.89, pp.3401-3421, 1978.

J. V. Smith and W. L. Brown, Feldspar Minerals: Second Revised and Extended Edition, p.675, 1988.

R. H. Steiger and E. Jäger, Subcommission on geochronology: Convention on the use of decay constants in geo- and cosmochronology, Earth and Planetary Science Letters, vol.36, issue.3, pp.359-362, 1977.
DOI : 10.1016/0012-821X(77)90060-7

J. Stormer and C. , The effects of recalculation on estimates of temperature and oxygen fugacity 681 from analyses of multicomponent iron-titanium oxides, American Mineralogist, vol.68, pp.586-594, 1983.

S. Sun and W. Mcdonough, Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes, Geological Society, London, Special Publications, vol.42, issue.1, pp.313-345, 1989.
DOI : 10.1144/GSL.SP.1989.042.01.19

W. Tian, I. H. Campbell, C. M. Allen, P. Guan, W. Pan et al., The 694, 2010.