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Contrasting noble gas compositions of peridotitic and eclogitic monocrystalline diamonds from the Argyle lamproite, Western Australia

Timmerman, Suzette; Honda, Masahiko; Zhang, Xiaodong; Jaques, Alan; Bulanova, G. P.; Smith, C. B.; Burnham, Antony

Description

He-Ne-Ar compositions were determined in diamonds from the Argyle lamproite, Western Australia, to assess whether subducted material affects the noble gas budget and composition of stable old sub-continental lithospheric mantle (SCLM). Twenty diamonds (both peridotitic and eclogitic) were characterized for their carbon isotopic compositions and N abundance and aggregation from which 10 eclogitic growth zones and 5 peridotitic growth zones were analysed for their He-Ne-Ar compositions. The...[Show more]

CollectionsANU Research Publications
Date published: 2019-06-27
Type: Journal article
URI: http://hdl.handle.net/1885/203606
Source: Lithos
DOI: 10.1016/j.lithos.2019.06.027

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