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SOME CONSEQUENCES OF THE SUBDUCTION OF YOUNG SLABS

Abstract:

The negative buoyancy force exerted by a subducting oceanic slab depends on its descent velocity, and strongly on its age. For lithosphere close to thermal equilibrium, this force dominates by a large margin the resisting forces arising from friction on the plate boundary and compositional buoyancy. This may result in oceanward migration of the trench, with associated back-arc spreading. However, the strong age dependence of this force, and of the ridge push mean that a horizontal compressive...

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Publication status:
Published

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Journal:
EARTH AND PLANETARY SCIENCE LETTERS
Volume:
47
Issue:
3
Pages:
403-415
Publication date:
1980-01-01
DOI:
ISSN:
0012-821X
URN:
uuid:419f9070-a731-448d-83cf-de646f97eaaa
Source identifiers:
172867
Local pid:
pubs:172867
Language:
English

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