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- W1991543994 abstract "Abstract Ten rare-earth elements (La, Ce, Nd, Sm, Eu, Gd, Tb, Tm, Yb and Lu) and Ta, Th and Hf contents in eight kimberlites and inclusions from Greenland and Zambia have been determined by instrumental neutron activation. All the samples have highly fractionated rare-earth (REE) distribution patterns. La/Yb ratios in the Greenland kimberlites (hypabyssal facies) vary from 111.8 to 188.4, and the total rare-earth contents range from 204.8 to 380.3 ppm. No europium anomaly is present. The Zambian kimberlites (diatreme facies) are altered and carbonated. Rare-earth patterns in these are also light REE-enriched. A significant difference is shown to exist between the diatreme and hypabyssal facies of kimberlites." @default.
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- W1991543994 date "1976-09-01" @default.
- W1991543994 modified "2023-09-24" @default.
- W1991543994 title "Rare-earth abundances in kimberlites from Greenland and Zambia" @default.
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- W1991543994 doi "https://doi.org/10.1016/0009-2541(76)90053-x" @default.
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