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Potential of Earth's core as a reservoir for noble gases: case for helium and neon

Abstract:

This study investigates metal–silicate partitioning of neon (DNe) under the likely conditions of early Earth’s core formation: up to 16 GPa, ∼ 3000 K and an oxygen fugacity near IW-2 (2 log units below the Iron-Wüstite buffer). We find that the DNe coefficients range between 10−2 and 10−1. These partition coefficients are only one of the controlling factors of noble gas distributions within the early Earth: because, even if DHe and DNe are low (∼10−4), there may have been sufficient noble gas...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.7185/geochemlet.2028

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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
ORCID:
0000-0002-4514-8928
Publisher:
European Association of Geochemistry
Journal:
Geochemical Perspectives Letters More from this journal
Volume:
15
Pages:
15-18
Publication date:
2020-09-09
Acceptance date:
2020-08-06
DOI:
EISSN:
2410-3403
ISSN:
2410-339X
Language:
English
Keywords:
Pubs id:
1138597
Local pid:
pubs:1138597
Deposit date:
2020-12-21

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