Seleziona una pagina

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

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