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Peridotite xenoliths from Grenada, Lesser Antilles Island Arc

Parkinson, I J; Arculus, Richard; Eggins, Stephen

Description

Ultramafic xenoliths comprising harzburgite, lherzolite (reacted harzburgite) and spinel-rich dunite, occur in alkali olivine basalts (M series) of Grenada in the Lesser Antilles island arc. Textures are protogranular, porphyroclastic and granular; the latter are restricted to dunites and areas of the harzburgites/lherzolites where interaction with host magma has occurred. Primary mineralogy comprises olivine, orthopyroxene, clinopyroxene, and spinel. Harzburgites are residual from a fractional...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
URI: http://hdl.handle.net/1885/87880
Source: Contributions to Mineralogy and Petrology
DOI: 10.1007/s00410-003-0500-z

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