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Ab initio crystal structure and elasticity of tuite, ?-Ca3(PO4)2, with implications for trace element partitioning in the lower mantle

Skelton, Richard; Walker, Andrew M

Description

Tuite forms by the breakdown of apatite at high pressure and is thus expected to play a role in extending the phosphorus cycle beyond the stability field of apatite and into the lower mantle. With its large, high-coordination cation sites, tuite is thought to be able to dissolve large quantities of incompatible elements such as rare earth elements, Sr, Th, and U, and is potentially an important mantle reservoir for these elements. In this paper, ab initio calculations of the structure and...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
URI: http://hdl.handle.net/1885/217820
Source: Contributions to Mineralogy and Petrology
DOI: 10.1007/s00410-017-1406-5

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