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Earth’s volatile contents established by melting and vaporisation

Abstract:

The silicate Earth is strongly depleted in moderately volatile elements (e.g. Pb, Zn, In, alkalis) relative to CI chondrites, the meteorites which compositionally most closely resemble the Sun. Qualitatively the depletion “trend” may be explained by accretion of 10-20% of a volatile-rich body to a reduced volatile-free protoEarth followed by partial extraction of some elements to the core. Several issues remain, however, notably the overabundance of In in silicate Earth which leads to questio...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1038/nature23645

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More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
Publisher:
Nature Publishing Group Publisher's website
Journal:
Nature Journal website
Volume:
549
Pages:
507–510
Publication date:
2017-09-01
Acceptance date:
2017-07-05
DOI:
Source identifiers:
725609
Pubs id:
pubs:725609
UUID:
uuid:afd61042-313d-4229-af3b-26af752983bf
Local pid:
pubs:725609
Deposit date:
2017-09-05

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