Faulting in the form of sheared localization occurs commonly in high porosity rocks, such as clastic rocks and carbonate grainstones. The evolution of this mechanism starts as a single shear band, to a zone of shear bands, to a zone with one or more slip surfaces. After slip surfaces develop, the mechanism essentially becomes the same as that of weakness-based faults. Please see 'Shear Bands,' 'Shear Band Zones,' and 'Mechanisms and Mechanics of Deformation Bands.'

Shear bands as well as shear band-based faults grow differently than the weakness-based faults, and thus have different scaling properties.