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Diamond-forming media through time - Trace element and noble gas systematics of diamonds formed over 3 billion years of Earth's history

Timmerman, Suzette; Krebs, Mandy Y.; Pearson, D. Graham; Honda, Masahiko

Description

Ten individual gem-quality monocrystalline diamonds of known peridotite/eclogite paragenesis from Southern Africa (Koffiefontein, Letlhakane, Orapa) were studied for trace element concentrations and He and Ar abundances and isotopic compositions. In addition, two samples, consisting of pooled fragments of gem-quality peridotitic diamonds from Finsch and DeBeers Pool respectively, were analysed for noble gases. Previous studies (Richardson et al., 1984; Pearson et al., 1998; Gress et al., 2017;...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
URI: http://hdl.handle.net/1885/196836
Source: Geochimica et Cosmochimica Acta
DOI: 10.1016/j.gca.2019.05.014

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