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The oscillatory intergrowth of feldspars in titanian andradite, Little Dromedary, NSW, Australia

Keankeo, W; Hermann, Joerg

Description

Veins bearing titanian andradite were found in a metasomatically altered clinopyroxenite cumulate of an alkali magmatic suite (Little Dromedary, NSW, Australia). The titanian andradite is up to 2.5 cm in size, mainly subhedral and displays a large concentric, oscillatory intergrowth with layers consisting of plagioclase and alkali feldspar. Detailed field work and petrography showed that there is a gradual change in paragenesis from the cumulitic clinopyroxenite with interstitial plagioclase to...[Show more]

CollectionsANU Research Publications
Date published: 2002
Type: Journal article
URI: http://hdl.handle.net/1885/91376
Source: European Journal of Mineralogy
DOI: 10.1127/0935-1221/2002/0014-0379

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