3D Diffusion of Water in Melt Inclusion‐Bearing Olivine Phenocrysts
Euan J. F. Mutch,
Megan E. Newcombe,
John F. Rudge
Abstract:Olivine‐hosted melt inclusions are an important archive of pre‐eruptive processes such as magma storage, mixing and subsequent ascent through the crust. However, this record can be modified by post‐entrapment diffusion of H+ through the olivine lattice. Existing studies often use spherical or 1D models to track melt inclusion dehydration that fail to account for complexities in geometry, diffusive anisotropy and sectioning effects. Here we develop a finite element 3D multiphase diffusion model for the dehydrat… Show more
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