Evidence of Dislocation Mixed Climb in Quartz from the Moine and Main Central Thrusts: an Electron Tomography Study
Timmo Weidner,
Alexandre Mussi,
Olivier Castelnau
et al.
Abstract:In this study we apply electron tomography to characterize 3D
dislocation microstructures in two highly sheared quartz mylonite
specimens from the Moine and Main Central thrusts which were deformed
extensively by dislocation creep in the presence of water. Both
specimens show dislocation activity with dislocation densities of the
order of 3-4.1012 m-2 and evidence of recovery from the presence of
subgrain boundaries. slip occurs predominantly on pyramidal and
prismatic planes ( basal glide is not active). [c] … Show more
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