Evolution of microstructure and melt topology in partially molten granitic mylonite: Implications for rheology of felsic middle crust

Abstract

The deformation study of midcrustal porphyritic granite reveals exceptionally high strain intensities of feldspar aggregates compared to stronger quartz.

Keywords

• inhomogeneous viscous fluids
• simple shear deformation
• low metamorphic grade
• bohemian massif
• continental-crust
• dynamic recrystallization
• plastic-deformation
• polymineralic rocks
• anatectic rocks
• solid-solutions