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Fiche 1,  Justifications,  Anglais

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Crustal deformation is dominated by dislocation processes. Dislocations are line defects in a crystal (ex: line of missing atoms). Dislocations can move easily at high temperature (say 300°C for quartz). The motion of dislocations in a crystallographic plane is called dislocation glide. Dislocation glide allows deformation of crystals and results in crystallographic preferred orientation. A strong microfabric is typically interpreted as resulting from dislocation glide mechanisms because very few other processes would produce a crystallographic preferred orientation.  2, fiche 1, Anglais, - dislocation%20creep

Fiche 1,  Justifications,  Français

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Fluage caractérisé des mouvements intercristallins.  1, fiche 1, Français, - fluage%2Ddislocation

Fiche 1,  Justifications,  Espagnol