volume 78, issue 2, P309-315 2006
DOI: 10.1590/s0001-37652006000200010
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Abstract: ABSTRACTThis work presents a geochemical study of a set of garnets, selected by their colors, from the CamafucaCamazambo kimberlite, located on northeast Angola. Mantle-derived garnets were classifi ed according to the scheme proposed by Grütter et al. (2004) and belong to the G1, G4, G9 and G10 groups.Both sub-calcic (G10) and Ca-saturated (G9) garnets, typical, respectively, of harzburgites and lherzolites, were identifi ed. The solubility limit of knorringite molecule in G10D garnets suggests they have cry…

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