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Olivine-enriched melt inclusions in chromites from low-Ca boninites, Cape Vogel, Papua New Guinea: evidence for ultramafic primary magma, refractory mantle source and enriched components

Kamenetsky, Vadim S; Sobolev, Alexander V; Eggins, Stephen; Crawford, Anthony James; Arculus, Richard

Description

The composition of primary magmas and their mantle sources can be successfully inferred from the study of melt inclusions trapped in spinel phenocrysts. This is particularly true in the case of severely altered rocks, in which spinel and spinel-hosted melt inclusions usually retain primary magmatic information. We report the results of the study of melt inclusions in high-Cr (Cr# 90-95), primitive (Mg# 65-78) spinel in the Palaeocene low-Ca boninites from Cape Vogel, Papua New Guinea. Melt...[Show more]

CollectionsANU Research Publications
Date published: 2002
Type: Journal article
URI: http://hdl.handle.net/1885/92540
Source: Chemical Geology
DOI: 10.1016/S0009-2541(01)00380-1

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