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An exploratory study of dislocation relaxation in polycrystalline olivine

Farla, Robert Jacobus Maria


"Motivated by theoretical considerations of damped vibrations of dislocations and the need to better constrain global attenuation models, a laboratory study was undertaken of the attenuation of seismic waves and associated shear modulus dispersion in upper mantle olivine, (Mg{u2080}.{u2089},Fe{u2080}.{u2081}){u2082}SiO{u2084}. Polycrystalline olivine specimens were synthesised from laboratory (solution-gelation) and natural (San Carlos) precursors, hot-pressed and pre-deformed in the laboratory...[Show more]

CollectionsOpen Access Theses
Type: Thesis (PhD)


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