1984
DOI: 10.1016/b978-0-444-42273-6.50016-x
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Petrography, Geochemistry and Strontium Isotopic Composition of the Mbuji-Mayi and Kundelungu Kimberlites (Zaire)

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Cited by 10 publications
(11 citation statements)
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“…Discussion on the major element chemistry of the Mbuji-Mayi and Kundelungu kimberlites was presented by Demaiffe and M. Fieremans (1981), and M. Fieremans et al (1984). In this paper, seven additional samples of Angola, mainly from different pipes in the Luachima and Chicapa areas (C. Fieremans, unpubl.…”
Section: Major Elementsmentioning
confidence: 88%
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“…Discussion on the major element chemistry of the Mbuji-Mayi and Kundelungu kimberlites was presented by Demaiffe and M. Fieremans (1981), and M. Fieremans et al (1984). In this paper, seven additional samples of Angola, mainly from different pipes in the Luachima and Chicapa areas (C. Fieremans, unpubl.…”
Section: Major Elementsmentioning
confidence: 88%
“…The isotopic characteristics of the Zaire kimberlites have been discussed by Demaiffe and M. Fieremans (1981), M. Fieremans et al (1984), and Weis and Demaiffe (1985). The data are summarized in Table 2 and compared with the data obtained by Smith (1983 a) and Fraser et al (1985) on isotopic Group I ("basaltic") and isotopic Group II (phlogopite) kimberlites of South Africa.…”
Section: Sr Nd and Pb Isotopic Compositionmentioning
confidence: 92%
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“…However, there are important differences; the trapped fluid is more enriched in LILE (Ba, K, U, Sr,) and La and is relatively depleted in HFSE (Nb, Ta, Ti and to a lesser extent Zr) when baselined to chondritic-Al. This is demonstrated by comparing trace element ratios in the diamond coat to those from the Mbuji Mayi kimberlite, the host kimberlite for these samples The diamond coat has Nb/Ba ϭ 0.003 to 0.012 and Nb/La ϭ 0.05 to 0.17, which are an order or magnitude lower than in the Mbuji Mayi kimberlite (Nb/La ϭ 0.45 Ϯ 0.25, Nb/La ϭ 3.0 Ϯ 1.1; data from Fieremans et al, 1984;Taylor et al, 1994); Ta/K ϭ 0.0001 to 0.0003 and Ta/U ϭ 0.086 to 0.26, also order of magnitude lower than the Mbuji Mayi kimberlite (Ta/K ϭ 0.004 Ϯ 0.003, Ta/U ϭ 4.5 Ϯ 3, data from Fieremans et al, 1984;Taylor et al, 1994).…”
Section: Incompatible Elementsmentioning
confidence: 98%