Grain-size dynamics beneath mid-ocean ridges: Implications for permeability and melt extraction

Abstract

Grain size is an important control on mantle viscosity and permeability, but is difficult or impossible to measure in situ. We construct a two-dimensional, single phase model for the steady state mean grain size beneath a mid-ocean ridge. The mantle rheology is modeled as a composite of diffusion creep, dislocation creep, dislocation accommodated grain… (More)

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@inproceedings{Turner2015GrainsizeDB, title={Grain-size dynamics beneath mid-ocean ridges: Implications for permeability and melt extraction}, author={Andrew J. Turner and Richard F. Katz and Mark D. Behn}, booktitle={Geochemistry, geophysics, geosystems : G(3)}, year={2015} }