| | Journal (article/letter/editorial) | 6 Petrogenesis of aln6itic rocks from Malaita, Solomon Islands, Melanesia PETER H. NIXON Geology Department... Aphanitic and fragmental aln6itic rocks from Malaita contain ultrabasic xenoliths and discrete nodules...natro-melilite (i/3 melilite-2/3 gtkermanite),phlogopite (1-9 ~ TiO2),perovskite, spinel (ulv6 spinel-magnetite...similar to that found in kimberlites, the host Malaita rocks are mineralogically and geochemicallydifferent...kimberlite. AN aln6ite intrusion from Malaita Island, in the Solomon Islands, described by Allen and Deans 0965) |
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