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By J. G. Fitton, Bridget Gilfillan Upton

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1981. Can kimberlites be generated from ordinary mantle? Nature, Lond. 291, 53-6. , GAMBLE, J. & MENZIES, M. 1985. Metasomatised ultramafic xenoliths from Foster Crater, Antarctica. Trans. Amer. geophys. Union 66, 409. MCCULLOCH, M. , JAQUES, A. , NELSON, D. R. & Lewis, J. D. 1983. Nd and Sr isotopes in kimberlites and lamproites from Western Australia: an enriched mantle origin. Nature, Lond. 302, 400-3. MCDONOUGH, W. F. & MCCULLOCI-I, M. T. 1985. Isotopic and geochemical systematics in TertiaryRecent basalts from southeastern Australia and implications for the evolution of the sub-continental lithosphere.

Printing Office. Dosso, L. & MURTHY, V. R. 1980. An Nd isotopic study of the Kerguelen islands: inferences on enriched oceanic mantle sources. Earth planet Sci. Lett. 48 268-76. DOWNES, H. 1984. Sr and Nd isotopic geochemistry of co-existing alkaline magma series, Cantal massif 26 M. Menzies Central, France. Earth planet Sci. Lett. 69, 221334. ERLANK, A. , HAWKESWORTH, C. J. & MENZIES, M. A. 1982. Chemical and isotopic characterization of upper mantle metasomatism in peridotite nodules from the Bultfontein kimberlite.

Earth, 9, 389-416. MAUND, J. G. 1985. The volcanic geology, petrology and geochemistry of Caldeira volcano, Graciosa, Azores, and its bearing on contemporaneous felsicmafic oceanic island volcanism. D. Thesis, University of Reading (unpublished). - - , J. G. & BAILEY, D. K. 1982. Caldeira volcano, Graciosa, Azores: Progress Report. J. geol. Soc. Lond, 139, 658. MENZIES, M. & MURTHY, V. R. 1980a. Mantle metasomatism as a precursor to the genesis of alkaline magmas--isotopic evidence. Am. J. Sci.

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