Fracture and Flow in Retrograde Viscous Shear Zones: Evidence for Weakening and Strain Localisation in the Mid- to Lower Crust


Christian Stenvall, Cardiff University, School of Earth and Ocean Sciences, Cardiff, CF24, United Kingdom, Ake Fagereng, Cardiff University, Cardiff, CF24, United Kingdom, Johann F.A. Diener, University of Cape Town, Department of Geological Sciences, Cape Town, South Africa and Chris Harris, University of Cape Town, Department of Geological Sciences, Rondebosch, South Africa