Fig. 6
From: Kink strengthening and rank-1 connection of crustal rocks

Schematic diagram of deformation experiments. (a) Sample for deformation experiment on biotite. Square prism of biotite (6.5 mm × 6.5 mm × 18 mm) is fixed with copper jackets to form a cylinder of 10 mm diameter. (b) Gas confining medium triaxial deformation apparatus, modified after ref.59.