Thermal Conductivity of Garnets and the Middle Mantle (original) (raw)

Agu Fall Meeting Abstracts, 2001

Abstract

The thermal conductivity (k) of garnet phases is calculated from a formula originating with Debye, adapted to treat the vibrations in a solid as a collection of damped harmonic oscillators. Our model utilizes phonon lifetimes obtained from Kramers-Kronig analyses of existing IR reflectivity spectra, as well as new measurements presented here, and calculates k at ambient conditions. Two series of

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