@booklet {7584,
	title = {BELL, K. (ed.) 1989. Carbonatites: genesis and evolution, Unwin Hyman, London. 618 pp.BELL, K. and DAWSON, J.B. 1995. Nd and Sr isotope systematics of the active carbonatite volcano, Oldoinyo Lengai. In K. Bell and J. Keller (eds), Carbonatite volcanism, },
	year = {1989},
	note = {BELL, K. (ed.) 1989. Carbonatites: genesis and evolution, Unwin Hyman, London. 618 pp.BELL, K. and DAWSON, J.B. 1995. Nd and Sr isotope systematics of the active carbonatite volcano, Oldoinyo Lengai. In K. Bell and J. Keller (eds), Carbonatite volcanism, 100-12. Springer-Verlag, Berlin.BELL, K. and KELLER, J. (eds) 1995. Carbonatite volcanism: Oldoinyo Lengai and the petrogenesis of natrocarbonatites. Springer-Verlag, Berlin. 210 pp.BELL, K. and SIMONETTI, A. 1996. Carbonatite magmatism and plume activity: implications from the Nd, Pb and Sr isotope systematics of Oldoinyo Lengai. Journal of Petrology, 37: 1321-39. BELL, K., DAWSON, J.B. and FARQUHAR, R.M. 1973. Strontium isotope studies of alkalic rocks: the active carbonatite volcano Oldoinyo Lengai. Bulletin of the Geological Society of America, 84: 1019-30.CHURCH, A.A. and JONES, A.P. 1995. Silicate-carbonate immiscibility at Oldoinyo Lengai. Journal of Petrology, 36: 869-89.DAWSON, J.B. 1962a. Sodium carbonate lavas from Oldoinyo Lengai. Nature, London, 195: 1075-6.DAWSON, J.B. 1962b. The geology of Oldoinyo Lengai. Bulletin Volcanologique, 24: 349-87. DAWSON, J.B. 1966. Oldoinyo Lengai - an active volcano with sodium carbonatite flows. In. O.F. Tuttle and J. Gittins (eds), Carbonatites, 155-68. Wiley, New York.DAWSON, J.B. 1989. Sodium carbonatite extrusions from Oldoinyo Lengai, Tanzania: implications for carbonatite complex genesis. In Carbonatites: genesis and evolution. K. Bell (ed.), 255-77. Unwin Hyman, London.J.B. Dawson, pers. comm., 1999; DAWSON, J.B. and HILL, P.G. 1998. Mineral chemistry of a peralkaline combeite-lamprophyllite nephelinite from Oldoinyo Lengai, Tanzania. Mineralogical Magazine, 62: 179-96.DAWSON, J.B. and HILL, P.G. 1998. Mineral chemistry of a peralkaline combeite-lamprophyllite nephelinite from Oldoinyo Lengai, Tanzania. Mineralogical Magazine, 62: 179-96.DAWSON, J.B., SMITH, J.V. and STEELE, I.M. 1989. Combeite (Na2.33Ca1.74others0.13)Si3O9 from Oldoinyo Lengai, Tanzania. Journal of Geology, 97: 365-72.DAWSON, J.B., PINKERTON, H., NORTON, G.E. and PYLE, D.M. 1990. Physicochemical properties of alkali carbonatite lavas: data from the 1988 eruption of Oldoinyo Lengai, Tanzania. Geology, 18: 260-3.DAWSON, J.B., SMITH, J.V. and STEELE, I.M. 1992. 1966 ash eruption of the carbonatite volcano, Oldoinyo Lengai: mineralogy of lapilli, and mixing of silicate and carbonate magmas. Mineralogical Magazine, 56: 1-16.DAWSON, J.B., PINKERTON, H., PYLE, D.M. and NYAMWERU, C. 1994. June 1993 eruption of Oldoinyo Lengai, Tanzania: exceptionally viscous and large carbonatite flows, and evidence for co-existing silicate and carbonate magmas. Geology, 22: 799-802.DAWSON, J.B., KELLER, J. and NYAMWERU, C. 1995a. Historic and recent eruptive activity of Oldoinyo Lengai. In K. Bell and J. Keller (eds), Carbonatite volcanism, 4-22. Springer-Verlag, Berlin.DAWSON, J.B., SMITH, J.V. and STEELE, I.M. 1995b. Petrology and mineral chemistry of plutonic igneous xenoliths from the carbonatite volcano, Oldoinyo Lengai, Tanzania. Journal of Petrology, 36: 797-826.DAWSON, J.B., PINKERTON, H., NORTON, G.E., PYLE, D.M., BROWNING, P., JACKSON, D. and FALLICK, A.E. 1995c. Petrology and geochemistry of Oldoinyo Lengai lavas extruded in November 1988: magma source, ascent and crystallization. In K. Bell and J. Keller (eds), Carbonatite volcanism, 47-69. Springer-Verlag, Berlin.DONALDSON, C.H., DAWSON, J.B., KANARIS-SOTIRIOU, R., BATCHELOR, R.A. and WALSH, N.J. 1987. The silicate lavas of Oldoinyo Lengai, Tanzania. Neues Jahrbuch fur Mineralogie Abhandlungen, 156: 247-79.M. GENGE, pers. comm., 1999; GITTINS, J. 1988a. Comment on "Ra-Th disequilibrium systematics: timescale of carbonatite magma formation at Oldoinyo Lengai volcano, Tanzania". Geochimica et Cosmochimica Acta, 52: 937.GITTINS, J. 1988b. Partial melting of fenitized crustal xenoliths in the Oldoinyo Lengai carbonatite volcano, Tanzania: discussion. American Mineralogist, 73: 1465-7.GITTINS, J. 1989. The origin and evolution of carbonatite magmas. In K. Bell (ed.) Carbonatites: genesis and evolution. 580-600. Unwin Hyman, London.GITTINS, J. and MCKIE, D. 1980. Alkalic carbonatite magmas: Oldoinyo Lengai and its wider applicability. Lithos, 13: 213-5.GUEST, N.J., JAMES, T.C., PICKERING, R. and DAWSON, J.B. 1961. Angata Salei. Geological Survey of Tanganyika, Quarter Degree Sheet, 39.HAY, R.L. and ROEDER, R.J. 1978. Calcretes of Olduvai Gorge and the Ndolanya Beds of northern Tanzania. Sedimentology, 25: 649-73.HEINRICH, F.W. 1966. The geology of carbonatites. Rand McNally, Chicago, 608 pp.KELLER, J. and HOEFS, J. 1995. Stable isotope characteristics of recent natrocarbonatites from Oldoinyo Lengai. In K. Bell and J. Keller (eds), Carbonatite volcanism, 113-23. Springer-Verlag, Berlin.KELLER, J. and KRAFFT, M. 1990. Effusive natrocarbonatite activity of Oldoinyo Lengai, June 1988. Bulletin of Volcanology, 52: 629-45.KJARSGAARD, B.A., HAMILTON, D.L. and PETERSON, T.D. 1995. Peralkaline nephelinite/carbonatite liquid immiscibility: comparison of phase compositions in experiments and natural lavas from Oldoinyo Lengai. In K. Bell and J. Keller (eds), Carbonatite volcanism, 163-00-90. Springer-Verlag, Berlin.KRAFFT, M. and KELLER, J. 1989. Temperature measurements in carbonatite lava lakes and flows from Oldoinyo Lengai, Tanzania. Science, 245: 168-70.MACINTYRE, R.M., MITCHELL, J.G. and DAWSON, J.B. 1974. Age of fault movements in Tanzanian sector of East African rift system. Nature, London, 247: 354-6.MARTIN, R.F. and MOROGAN, V. 1988. Partial melting of fenitized crustal xenoliths in the Oldoinyo Lengai carbonatite volcano, Tanzania: reply. American Mineralogist, 73: 1468-71.MCKIE, D. and FRANKIS, E.J. 1977. Nyerereite: a new volcanic carbonate mineral from Oldoinyo Lengai, Tanzania. Zeitschrift fur Kristallographie, 145: 73-95.MILTON, C. 1989. Oldoinyo Lengai natrocarbonatite lava: its history. Abstract: 28th International Geological Congress, Washington, 2: 441.MOROGAN, V. and MARTIN, R.F. 1985. Mineralogy and partial melting of fenitized crustal xenoliths in the Oldoinyo Lengai carbonatite volcano, Tanzania. American Mineralogist, 70: 1114-26.NYAMWERU, C. 1988. Activity of Oldoinyo Lengai, Tanzania, 1983-1987. Journal of African Earth Sciences, 7: 603-10.NYAMWERU, C. 1997. Changes in the crater of Oldoinyo Lengai: June 1993 - February 1997. Journal of African Earth Sciences, 25: 45-53.PETERSON, T.D. 1989a. Peralkaline nephelinites. I. Comparative petrology of Shombole and Oldoinyo L{\textquoteright}engai, East Africa. Contributions to Mineralogy and Petrology, 101: 458-78.PETERSON, T.D. 1989b. Peralkaline nephelinites. II. Low pressure fractionation and the hypersodic lavas of Oldoinyo L{\textquoteright}engai. Contributions to Mineralogy and Petrology, 102: 336-46.PETERSON, T.D. 1990. Petrology and genesis of natrocarbonatite. Contributions to Mineralogy and Petrology, 105: 143-55.PYLE, D.M. 1995. Decay series evidence for transfer and storage times of natrocarbonatite magma. In K. Bell and J. Keller (eds), Carbonatite volcanism, 124-36. Springer-Verlag, Berlin.SHEPPARD, S.M.F. and DAWSON, J.B. 1973. 13C/12C and D/H isotope variations in {\textquoteright}primary igneous carbonatites{\textquoteright}. Fortschritte der Mineralogie, 50: 128-9.TUTTLE, O.F. and GITTINS, J. (eds) 1966. Carbonatites. Wiley, New York. 591 pp.WILLIAMS, R.W., GILL, J.B. and BRULAND, K.W. 1986. Ra-Th disequilibria systematics: timescale of carbonatite magma formation at Oldoinyo Lengai volcano. Tanzania. Geochimica et Cosmochimica Acta, 50: 1249-59.WILLIAMS, R.W., GILL, J.B. and BRULAND, K.W. 1986. Ra-Th disequilibria systematics: timescale of carbonatite magma formation at Oldoinyo Lengai volcano. Tanzania. Geochimica et Cosmochimica Acta, 50: 1249-59.}
}
