Fig. 5From: Heterogeneity in friction strength of an active fault by incorporation of fragments of the surrounding host rockMesoscale and microscale structures of the black fault breccia. a Detail of Fig. 1c showing the pinchout of the black fault breccia against the LSZ and hangingwall. b, c Microscopic images of the black fault breccia in plane- and cross-polarized light, respectively. d, e Microscopic images of the hangingwall granite in plane- and cross-polarized light, respectivelyBack to article page