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Chemical heterogeneity, convection and asymmetry beneath mid-ocean ridges

Abstract:

Geophysical observations at some mid-ocean ridges document an across-axis asymmetry in indicators of magma production. Other observations are interpreted as showing non-monotonic variations in the depth of the lithosphere–asthenosphere boundary. These patterns are inconsistent with the classical models of mantle corner flow and half-space cooling. To investigate this discrepancy, we use models of coupled magma/mantle dynamics beneath mid-ocean ridges in which phase densities are determined by...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1093/gji/ggac309

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
ORCID:
0000-0002-4439-8124
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Oxford college:
St Anne's College
Role:
Author
ORCID:
0000-0001-8746-5430
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
More from this funder
Name:
European Commission
Grant:
772255
Publisher:
Oxford University Press
Series:
GJI Geodynamics and tectonics
Journal:
Geophysical Journal International More from this journal
Volume:
231
Issue:
3
Pages:
2055–2078
Publication date:
2022-08-18
Acceptance date:
2022-08-06
DOI:
EISSN:
1365-246X
ISSN:
0956-540X
Language:
English
Keywords:
Subjects:
Pubs id:
1279439
Local pid:
pubs:1279439
Deposit date:
2023-01-20

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