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Ridge migration, asthenospheric flow and the origin of magmatic segmentation in the global mid-ocean ridge system

Abstract:

Global observations of mid-ocean ridge (MOR) bathymetry demonstrate an asymmetry in axial depth across ridge offsets that is correlated with the direction of ridge migration. Motivated by these observations, we have developed two-dimensional numerical models of asthenospheric flow and melting beneath a migrating MOR. The modification of the flow pattern produced by ridge migration leads to an asymmetry in melt production rates on either side of the ridge. By coupling a simple parametric model...

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Publication status:
Published

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Publisher copy:
10.1029/2004GL020388

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Spiegelman, M More by this author
Carbotte, SM More by this author
Journal:
GEOPHYSICAL RESEARCH LETTERS
Volume:
31
Issue:
15
Publication date:
2004-08-04
DOI:
ISSN:
0094-8276
URN:
uuid:299f74d2-eae2-40b7-8dc3-ca7fcc3f6503
Source identifiers:
163319
Local pid:
pubs:163319
Language:
English

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