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Crystallization of platinum-group minerals from silicate melts: Evidence from Cr-spinel-hosted inclusions in volcanic rocks

Kamenetsky, Vadim S; Park, Jung-Woo; Mungall, James E; Pushkarev, Evgeny V.; Ivanov, Alexei V.; Kamenetsky, Maya B.; Yaxley, Gregory


The formation of platinum-group minerals (PGM) during magma differentiation has been suggested to be an important process in primitive magma evolution, but decisive textural evidence is difficult to obtain because PGM tend to be very small and very rare. We have investigated Cr-spinel phenocrysts from two oxidized magmas (Siberian meimechite and Vanuatu [Ambae Island] arc picrite) and one reduced magma (Uralian [Russia] ankaramite) for PGM inclusions and their platinum-group element (PGE)...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Geology
DOI: 10.1130/G37052.1


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