Folded and boudinaged gabbroic pegmatite

Folded and boudinaged gabbroic pegmatite intruded into host two-
Px gabbro. The vein outline is detectable by the higher plagioclase content and by the coarser grain size. Some hornblende porphyroclasts occur along the upper sheared limb.
PhotoID444

Photograph: Ivan Zibra

Reference: Reference: Zibra I, Kruhl JH, Braga R (2010). Late Palaeozoic deformation of post-Variscan lower crust: shear zone widening due to strain localization during retrograde shearing. Int J Earth Sci (Geol Rundsch) DOI 10.1007/s00531-009-0441-5