@booklet {7408,
	title = {ASSUNCAO, C.T. de 1957. Alguns aspectos da petrografia da Ilha de S. Tome. Garcia de Orta, Junta das Missoes Geograficas e de Investigacoes do Ultramar, 5: 497-515.BALLENTINE, C.J., LEE, D.-C. and HALLIDAY, A.N. 1997. Hafnium isotopic studies of the Camer},
	year = {1957},
	note = {ASSUN{\c C}{\~A}O, C.T. de 1957. Alguns aspectos da petrografia da Ilha de S. Tom{\'e}. Garcia de Orta, Junta das Miss{\~o}es Geogr{\'a}ficas e de Investiga{\c c}{\~o}es do Ultramar, 5: 497-515.BALLENTINE, C.J., LEE, D.-C. and HALLIDAY, A.N. 1997. Hafnium isotopic studies of the Cameroon line and new HIMU paradoxes. Chemical Geology, 139: 111-24.CARVALHO, A.F. de 1921. As rochas da ilha de S. Tom{\'e}. Publica{\c c}{\~o}es do Museu Mineral{\'o}gico e Geol{\'o}gico da Universidade de Coimbra. Mem{\'o}rias e Not{\'\i}cias, 1: 9-24.FITTON, J.G. 1987. The Cameroon line, West Africa: a comparison between oceanic and continental alkaline volcanism. In J.G. Fitton and B.G.J. Upton (eds) Alkaline igneous rocks. 273-91. Geological Society of London Special Publication 30.FITTON, J.G. and DUNLOP, H.M. 1985. The Cameroon line, West Africa, and its bearing on the origin of oceanic and continental alkali basalt. Earth and Planetary Science Letters, 72: 23-38.GRUNAU, H.R., LEHNER, P., CLEINTUAR, M.R., ALLENBACH, P. and BAKKER, G. 1975. New radiometric ages and seismic data from Fuertaventura (Canary Islands), Maio (Cape Verde Islands), and Sao Tome (Gulf of Guinea). In G.J. Borradaille, A. R. Ritsema, H.E. Rondeel and O.J. Simon (eds) Progress in geodynamics. (Proceedings of the National Symposium on Geodynamics held in Amsterdam, April 3-4, 1975). 90-103. North-Holland, Amsterdam.HALLIDAY, A.N., DICKIN, A.P., FALLICK, A.E. and FITTON, J.G. 1988. Mantle dynamics: a Nd, Sr, Pb and O isotopic study of the Cameroon Line volcanic chain. Journal of Petrology, 29: 181-211.MITCHELL-THOM{\'E}, R.C. 1970. Geology of the South Atlantic islands. Gebruder Borntraeger, Berlin. 367 pp.PIPER, J.D.A. and RICHARDSON, A. 1972. The palaeomagnetism of the Gulf of Guinea volcanic province, West Africa. The Geophysical Journal of the Royal Astronomical Society, 29: 147-71.}
}
