The activation energy, water content exponent, and activation volume are 250 ± 30 kJ/mol, 1.2 ± 0.2, and 4.3 ± 0.3 cm 3 /mol, respectively. The results show that Mg lattice diffusion coefficient increase with increasing temperature and water content, and decrease with pressure. The water contents in the samples were analyzed by Fourier transmission infrared spectrometer. ppm using multi-anvil apparatus and secondary ion mass spectrometer in depth profiling mode. Mg lattice diffusion coefficients in iron-free olivine aggregates were measured as a function of pressure from 1 to 13 GPa, temperature from 1100 to 1300 K, and bulk water content from less than 1 up to 350 wt. Download RIS format (EndNote, RefMan) TY - JOUR AB - © 2017 Elsevier B.V.
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