@booklet {6880,
	title = {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.DERUELLE, B., MOREAU, C., NKOUMBOU, C., KAMBOU, R., LISSOM, J., NJONFANG, E., GHOGOMU, R.T. and NONO,},
	year = {1997},
	note = {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.DERUELLE, B., MOREAU, C., NKOUMBOU, C., KAMBOU, R., LISSOM, J., NJONFANG, E., GHOGOMU, R.T. and NONO, A. 1991. The Cameroon Line: a review. In A.B. Kampunzu and R.T. Lubala (eds), Magmatism in extensional structural settings. 274-327. Springer-Verlag, Berlin.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.GUERN, F.LE, and SIGVALDASON, G.E. (eds) 1989. The Lake Nyos event and natural CO2 degassing, I. Journal of Volcanology and Geothermal Research (Special Issue), 2-3: 97-275.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.LEE, D.-C., HALLIDAY, A.N., DAVIES, G.R., ESSENE, E.J., FITTON, J.G. and TEMDJIM, R. 1996. Melt enrichment of shallow depleted mantle: a detailed petrological, trace element and isotopic study of mantle-derived xenoliths and megacrysts from the Cameroon Line. Journal of Petrology, 37: 415-41.MARZOLI, A., RENNE, P. and PICCIRILLO, E.M. 1997. 40Ar/39Ar data on volcanics of the continental Cameroon Line (Africa): time related migration of trachytic volcanism. Plinius, 18: 141-2.MARZOLI, A., PICCIRILLO, E.M., RENNE, P.R., BELLIENI, G., IACUMIN, M., NYOBE, J.B. and TONGWA, A.T. 2000. The Cameroon volcanic line revisited: petrogenesis of continental basaltic magmas from lithospheric and asthenospheric mantle sources. Journal of Petrology, 41: 87-109.}
}
@booklet {6881,
	title = {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.DERUELLE, B., MOREAU, C., NKOUMBOU, C., KAMBOU, R., LISSOM, J., NJONFANG, E., GHOGOMU, R.T. and NONO,},
	year = {1997},
	note = {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.DERUELLE, B., MOREAU, C., NKOUMBOU, C., KAMBOU, R., LISSOM, J., NJONFANG, E., GHOGOMU, R.T. and NONO, A. 1991. The Cameroon Line: a review. In A.B. Kampunzu and R.T. Lubala (eds), Magmatism in extensional structural settings. 274-327. Springer-Verlag, Berlin.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.G{\`E}ZE, B. 1943. G{\'e}ographie physique et g{\'e}ologie du Cameroun occidental. M{\'e}moires du Mus{\'e}um National d{\textquoteright}Histoire Naturelle. Paris, N.S. 17: 1-271.G{\`E}ZE, B. 1953. Les volcans du Cameroun occidental. Bulletin Volcanologique, 13: 63-92.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.J{\'E}R{\'E}MINE , E. 1943. Contribution a l{\textquoteright}{\`e}tude p{\'e}trographique du Cameroun Occidental. M{\'e}moires du Mus{\'e}um National d{\textquoteright}Histoire Naturelle. Paris, NS 17: 273-320.MARZOLI, A., RENNE, P. and PICCIRILLO, E.M. 1997. 40Ar/39Ar data on volcanics of the continental Cameroon Line (Africa): time related migration of trachytic volcanism. Plinius, 18: 141-2.MARZOLI, A., PICCIRILLO, E.M., RENNE, P.R., BELLIENI, G., IACUMIN, M., NYOBE, J.B. and TONGWA, A.T. 2000. The Cameroon volcanic line revisited: petrogenesis of continental basaltic magmas from lithospheric and asthenospheric mantle sources. Journal of Petrology, 41: 87-109. TCHOUA, F. 1969. D{\'e}couverte d{\textquoteright}ignimbrites dans la r{\'e}gion de Dschang (Cameroun). Annales de la Facult{\'e} des Sciences, Universit{\'e} F{\'e}d{\'e}rale du Cameroun. Yaound{\'e}, 2: 77-94.TCHOUA, F. 1972a. Sur la formation des cald{\'e}ras des Monts Bambouto (Cameroun). Comptes Rendus Hebdomadaires des S{\'e}ances de l{\textquoteright}Acad{\'e}mie des Sciences. Paris, 274D: 799-801. TCHOUA, F. 1973. Sur l{\textquoteright}existence d{\textquoteright}une phase initiale ignimbritique dans le volcanisme des Monts Bambouto (Cameroun). Comptes Rendus Hebdomadaires des S{\'e}ances de l{\textquoteright}Acad{\'e}mie des Sciences. Paris, 276D: 2863-6.}
}
@booklet {6884,
	title = {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.DERUELLE, B., MOREAU, C., NKOUMBOU, C., KAMBOU, R., LISSOM, J., NJONFANG, E., GHOGOMU, R.T. and NONO,},
	year = {1997},
	note = {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.DERUELLE, B., MOREAU, C., NKOUMBOU, C., KAMBOU, R., LISSOM, J., NJONFANG, E., GHOGOMU, R.T. and NONO, A. 1991. The Cameroon Line: a review. In A.B. Kampunzu and R.T. Lubala (eds), Magmatism in extensional structural settings. 274-327. Springer-Verlag, Berlin.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.G{\`E}ZE, B. 1943. G{\'e}ographie physique et g{\'e}ologie du Cameroun occidental. M{\'e}moires du Mus{\'e}um National d{\textquoteright}Histoire Naturelle. Paris, N.S. 17: 1-271.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.J{\'e}r{\'e}mine, 1941 and 1943.}
}
@booklet {6889,
	title = {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.DERUELLE, B., MOREAU, C. and NSIFA, N.E. 1983. Sur la recente eruption du Mont Cameroun (16 octobre-1},
	year = {1997},
	note = {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.D{\'E}RUELLE, B., MOREAU, C. and NSIFA, N.E. 1983. Sur la r{\'e}cente {\'e}ruption du Mont Cameroun (16 octobre-12 novembre 1982). Comptes Rendus des S{\'e}ances de L{\textquoteright}Acad{\'e}mie des Sciences. Paris, Ser. 2. 296: 807-12.DERUELLE, B., N{\textquoteright}NI, J. and KAMBOU, R. 1987a. Mount Cameroon: an active volcano of the Cameroon line. Journal of African Earth Sciences, 6: 197-214.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., KILBURN, C.R.J., THIRLWELL, M.F. and HUGHES, D.J. 1983. 1982 eruption of Mount Cameroon, West Africa. Nature. London, 306: 327-32.G{\`E}ZE, B. 1943. G{\'e}ographie physique et g{\'e}ologie du Cameroun occidental. M{\'e}moires du Mus{\'e}um National d{\textquoteright}Histoire Naturelle. Paris, N.S. 17: 1-271.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.LEE, D.-C., HALLIDAY, A.N., DAVIES, G.R., ESSENE, E.J., FITTON, J.G. and TEMDJIM, R. 1996. Melt enrichment of shallow depleted mantle: a detailed petrological, trace element and isotopic study of mantle-derived xenoliths and megacrysts from the Cameroon Line. Journal of Petrology, 37: 415-41.SATO, H., ARAMAKI, S., KUSAKABE, M., HIRABAYASHI, J.-I., SANO, Y., NOJIRI, Y and TCHOUA, F. 1990. Geochemical difference of basalts between polygenetic and monogenetic volcanoes in the central part of the Cameroon volcanic line. Geochemical Journal, 24: 357-70.VINCENT, P.M. 1971. New data about Cameroon Mountain volcano. Journal of the Geological Society. London, 127: 414-5.}
}
@booklet {6900,
	title = {WILLIAMS, C.T., WALL, F., WOOLLEY, A.R. and PHILLIPO, S. 1997. Compositional variation in pyrochlore from the Bingo carbonatite, Zaire. Journal of African Earth Sciences, 25: 137-45.WOOLLEY, A.R., WILLIAMS, C.T., WALL, F., GARCIA, D. and MOUTE, J. 1995. T},
	year = {1997},
	note = {WILLIAMS, C.T., WALL, F., WOOLLEY, A.R. and PHILLIPO, S. 1997. Compositional variation in pyrochlore from the Bingo carbonatite, Zaire. Journal of African Earth Sciences, 25: 137-45.WOOLLEY, A.R., WILLIAMS, C.T., WALL, F., GARCIA, D. and MOUTE, J. 1995. The Bingo carbonatite-ijolite-nepheline syenite complex, Zaire: geology, petrography, mineralogy and petrochemistry. Journal of African Earth Sciences, 21: 329-48.}
}
@booklet {6927,
	title = {ABU EL-LEIL, I., ABDEL TAWAB, M. and ABDEL WAHAB, G. 1997. Geology and petrology of some migmatites and granitoids of Gabal Sabbagh, south Sinai, Egypt. Annals of the Geological Survey of Egypt, 20: 39-70.BENTOR, Y.K. and EYAL, M. 1987. The geology of sou},
	year = {1997},
	note = {ABU EL-LEIL, I., ABDEL TAWAB, M. and ABDEL WAHAB, G. 1997. Geology and petrology of some migmatites and granitoids of Gabal Sabbagh, south Sinai, Egypt. Annals of the Geological Survey of Egypt, 20: 39-70.BENTOR, Y.K. and EYAL, M. 1987. The geology of southern Sinai its implications for the evolution of the Arabo-Nubian massif. 1: Jebel Sabbagh Sheet. The Israel Academy of Sciences and Humanities, Jerusalem. 484 pp.HIGAZY, M., ABDEL TAWAB, M. and AHMED, A.M. 1992. Geology of Wadi Um Adawi granitoids southeastern Sinai, Egypt. Annals of the Geological Survey of Egypt, 18: 39-43.}
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@booklet {6948,
	title = {ABDEL-KARIM, A.M., AZZAZ, S.A. and ABDEL-GAWAD, G.M. 1997. Petrography and geochemistry of the basement rocks of Zargat Na{\textquoteright}Am-Hagar El-Fil area, South Eastern Desert, Egypt. Annals of the Geological Survey of Egypt, 20: 281-308. EL RAMLY, M.F., BUDANOV, V},
	year = {1997},
	note = {ABDEL-KARIM, A.M., AZZAZ, S.A. and ABDEL-GAWAD, G.M. 1997. Petrography and geochemistry of the basement rocks of Zargat Na{\textquoteright}Am-Hagar El-Fil area, South Eastern Desert, Egypt. Annals of the Geological Survey of Egypt, 20: 281-308. EL RAMLY, M.F., BUDANOV, V.I. and HUSSEIN, A.A.A. 1971. The alkaline rocks of south-eastern Egypt. Geological Survey of Egypt, Paper, 53: 1-111.El Reedy, 1985; HASHAD, A.H. and EL REEDY, M.W.M. 1979. Geochronology of the anorogenic alkalic rocks, South Eastern desert, Egypt. Annals of the Geological Survey of Egypt, 9: 81-101.OMAR, G.I., KOHN, B.P., LUTZ, T.M. and FAUL, H. 1987. The cooling history of Silurian to Cretaceous alkaline ring complexes, South Eastern Desert, Egypt, as revealed by fission-track analysis. Earth and Planetary Science Letters, 83: 94-108.SERENCSITS, C.M., FAUL, H., FOLAND, K.A., EL RAMLY, M.F. and HUSSEIN, A.A. 1979. Alkaline ring complexes in Egypt: their ages and relationship to tectonic development of the Red Sea. Annals of the Geological Survey of Egypt, 9: 102-16.}
}
@booklet {6968,
	title = {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.DERUELLE, B., MOREAU, C., NKOUMBOU, C., KAMBOU, R., LISSOM, J., NJONFANG, E., GHOGOMU, R.T. and NONO,},
	year = {1997},
	note = {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.DERUELLE, B., MOREAU, C., NKOUMBOU, C., KAMBOU, R., LISSOM, J., NJONFANG, E., GHOGOMU, R.T. and NONO, A. 1991. The Cameroon Line: a review. In A.B. Kampunzu and R.T. Lubala (eds), Magmatism in extensional structural settings. 274-327. Springer-Verlag, Berlin.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.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-THOME, R.C. 1970. Geology of the south Atlantic islands. Beitrage zur Regionalen Geologie der Erde, 10. 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.}
}
@booklet {6969,
	title = {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.CORNEN, G. and MAURY, R.C. 1980. Petrology of the volcanic island of Annobon, Gulf of Guinea. Marine },
	year = {1997},
	note = {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.CORNEN, G. and MAURY, R.C. 1980. Petrology of the volcanic island of Annobon, Gulf of Guinea. Marine Geology, 36: 253-67.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.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.LIOTARD, J.M., DUPUY, C., DOSTAL, J. and CORNEN, G. 1982. Geochemistry of the island of Annobon, Gulf of Guinea. Chemical Geology, 35: 115-28.MITCHELL-THOME, R.C. 1970. Geology of the south Atlantic islands. Beitrage zur Regionalen Geologie der Erde, 10. 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.}
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@booklet {7092,
	title = {KALT, A., HEGNER, E. and SATIR, M. 1997. Nd, Sr, and Pb isotopic evidence for diverse lithospheric mantle sources of East African rift carbonatites. Tectonophysics, 278: 31-45.LE BAS, M.J. 1977. Carbonatite-nephelinite volcanism: an African case history. },
	year = {1997},
	note = {KALT, A., HEGNER, E. and SATIR, M. 1997. Nd, Sr, and Pb isotopic evidence for diverse lithospheric mantle sources of East African rift carbonatites. Tectonophysics, 278: 31-45.LE BAS, M.J. 1977. Carbonatite-nephelinite volcanism: an African case history. John Wiley, London. 347 pp.LE BAS, M.J. and ASPDEN, J.A. 1981. The comparability of carbonatitic fluid inclusions in ijolites with natrocarbonatite lava. Bulletin Volcanologique, 44: 429-38.LE BAS, M.J., ASPDEN, J. and WOOLLEY, A.R. 1977. Contrasting sodic and potassic glassy inclusions in apatite crystals from an ijolite. Journal of Petrology, 18: 247-62.PULFREY, W. 1950. Ijolitic rocks near Homa Bay, western Kenya. Quarterly Journal of the Geological Society of London, 105: 425-59.}
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@booklet {7240,
	title = {MOURTADA, S., LE BAS, M.J. and PIN, C. 1997. Petrogenese des magnesio-carbonatites du complexe de Tamazert (Haut Atlas marocain). Comptes Rendus de l{\textquoteright}Academie des Sciences, Paris. Sciences de la Terre et des Planetes, Ser 2, 325: 559-64.SITTER, L.U. de, S},
	year = {1997},
	note = {MOURTADA, S., LE BAS, M.J. and PIN, C. 1997. P{\'e}trogen{\`e}se des magn{\'e}sio-carbonatites du complexe de Tamazert (Haut Atlas marocain). Comptes Rendus de l{\textquoteright}Acad{\'e}mie des Sciences, Paris. Sciences de la Terre et des Plan{\`e}tes, Ser 2, 325: 559-64.SITTER, L.U. de, SITTER-KOOMANS, C.M. de and HEETVELD, H. 1952. Les phonolites du Jebel Saghro (Maroc Occidental). Geologie en Mijnbouw, N.S. 14: 267-76.}
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@booklet {7407,
	title = {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.BARROS, L.A. 1960. A Ilha do Principe e a "Linha dos Camaroes". Memorias, Serie Geologica, Junta de I},
	year = {1997},
	note = {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.BARROS, L.A. 1960. A Ilha do Principe e a {\textquotedblleft}Linha dos Camaroes{\textquotedblright}. Mem{\'o}rias, S{\'e}rie Geol{\'o}gica, Junta de Investiga{\c c}{\~o}es do Ultramar. Lisboa, 17: 1-127.DUNLOP, H.M. and FITTON, J.G. 1979. A K-Ar and Sr-isotopic study of the volcanic rocks of the island of Principe, West Africa - evidence for mantle heterogeneity beneath the Gulf of Guinea. Contributions to Mineralogy and Petrology, 71: 125-31.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 HUGHES, D.J. 1977. Petrochemistry of the volcanic rocks of the island of Principe, Gulf of Guinea. Contributions to Mineralogy and Petrology, 64: 257-72. 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.NEIVA, J.M.C. 1956. Contribu{\c c}{\~a}o para a geologia e geomorfologia de Ilha do Principe. Conferencia International Africa Ocidental, Lisboa, 2: 157-62.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.}
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@booklet {7575,
	title = {FOSTER, A., EBINGER, C., MBEDE, E. and REX, D. 1997. Tectonic development of the northern Tanzanian sector of the East African rift system. Journal of the Geological Society of London, 154: 689-700.M.S. Garson, pers. comm. 1988;},
	year = {1997},
	note = {FOSTER, A., EBINGER, C., MBEDE, E. and REX, D. 1997. Tectonic development of the northern Tanzanian sector of the East African rift system. Journal of the Geological Society of London, 154: 689-700.M.S. Garson, pers. comm. 1988;}
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@booklet {7586,
	title = {FOSTER, A., EBINGER, C., MBEDE, E. and REX, D. 1997. Tectonic development of the northern Tanzanian sector of the East African rift system. Journal of the Geological Society of London, 154: 689-700.GUEST, N.J., JAMES, T.C., PICKERING, R. and DAWSON, J.B. },
	year = {1997},
	note = {FOSTER, A., EBINGER, C., MBEDE, E. and REX, D. 1997. Tectonic development of the northern Tanzanian sector of the East African rift system. Journal of the Geological Society of London, 154: 689-700.GUEST, N.J., JAMES, T.C., PICKERING, R. and DAWSON, J.B. 1961. Angata Salei. Geological Survey of Tanganyika, Quarter Degree Sheet, 39.PICKERING, R. 1965. Ngorongoro. Geological Survey of Tanzania, Quarter Degree Sheet, 53.}
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@booklet {7587,
	title = {FOSTER, A., EBINGER, C., MBEDE, E. and REX, D. 1997. Tectonic development of the northern Tanzanian sector of the East African rift system. Journal of the Geological Society of London, 154: 689-700.PASLICK, C., HALLIDAY, A.N., JAMES, D. and DAWSON, J.B. 1},
	year = {1997},
	note = {FOSTER, A., EBINGER, C., MBEDE, E. and REX, D. 1997. Tectonic development of the northern Tanzanian sector of the East African rift system. Journal of the Geological Society of London, 154: 689-700.PASLICK, C., HALLIDAY, A.N., JAMES, D. and DAWSON, J.B. 1995. Enrichment of the continental lithosphere by OIB melts: isotopic evidence from the volcanic province of northern Tanzania. Earth and Planetary Science Letters, 130: 109-26.PASLICK, C., HALLIDAY, A.N., JAMES, D. and DAWSON, J.B. 1996. Indirect crustal contamination: evidence from isotopic and chemical disequilibrium in minerals from alkali basalts and nephelinites from northern Tanzania. Contributions to Mineralogy and Petrology, 125: 277-92.PICKERING, R. 1964. Endulen. Geological Survey of Tanzania, Quarter Degree Sheet, 52.}
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@booklet {7588,
	title = {FOSTER, A., EBINGER, C., MBEDE, E. and REX, D. 1997. Tectonic development of the northern Tanzanian sector of the East African rift system. Journal of the Geological Society of London, 154: 689-700.GITTINS, J. 1966. Summaries and bibliographies of carbona},
	year = {1997},
	note = {FOSTER, A., EBINGER, C., MBEDE, E. and REX, D. 1997. Tectonic development of the northern Tanzanian sector of the East African rift system. Journal of the Geological Society of London, 154: 689-700.GITTINS, J. 1966. Summaries and bibliographies of carbonatite complexes. In: O.F. Tuttle and J. Gittins (eds), Carbonatites. 417-541. John Wiley, New York. HAY, R.L. 1978. Melilite-carbonate tuffs in the Laetolil Beds of Tanzania. Contributions to Mineralogy and Petrology, 67: 357-67.HAY, R.L. and LEAKEY, M.D. 1982. The fossil footprints of Laetoli. Scientific American, 246: 50-7.HAY, R.L. and O{\textquoteright}NEIL, J.R. 1983. Carbonatite tuffs in the Laetolil Beds of Tanzania and the Kaiserstuhl in Germany. Contributions to Mineralogy and Petrology, 82: 403-6.PASLICK, C., HALLIDAY, A.N., JAMES, D. and DAWSON, J.B. 1995. Enrichment of the continental lithosphere by OIB melts: isotopic evidence from the volcanic province of northern Tanzania. Earth and Planetary Science Letters, 130: 109-26.PASLICK, C., HALLIDAY, A.N., JAMES, D. and DAWSON, J.B. 1996. Indirect crustal contamination: evidence from isotopic and chemical disequilibrium in minerals from alkali basalts and nephelinites from northern Tanzania. Contributions to Mineralogy and Petrology, 125: 277-92.PICKERING, R. 1964. Endulen. Geological Survey of Tanzania, Quarter Degree Sheet, 52.}
}
@booklet {7589,
	title = {FOSTER, A., EBINGER, C., MBEDE, E. and REX, D. 1997. Tectonic development of the northern Tanzanian sector of the East African rift system. Journal of the Geological Society of London, 154: 689-700.PASLICK, C., HALLIDAY, A.N., JAMES, D. and DAWSON, J.B. 1},
	year = {1997},
	note = {FOSTER, A., EBINGER, C., MBEDE, E. and REX, D. 1997. Tectonic development of the northern Tanzanian sector of the East African rift system. Journal of the Geological Society of London, 154: 689-700.PASLICK, C., HALLIDAY, A.N., JAMES, D. and DAWSON, J.B. 1996. Indirect crustal contamination: evidence from isotopic and chemical disequilibrium in minerals from alkali basalts and nephelinites from northern Tanzania. Contributions to Mineralogy and Petrology, 125: 277-92.PICKERING, R. 1965. Ngorongoro. Geological Survey of Tanzania, Quarter Degree Sheet, 53.}
}
