A Geoscience Digital Image Library

TitleSheared metapelitic gneiss from Val d'Ossola (Ivrea Zone), Italy
DescriptionThis sheared rock is from the Ivera Zone, Italy, a zone highly deformed by the collision of the European and African continents during the Alpine Orogeny. The dominant minerals are biotite, quartz, garnet and plagioclase. In thin section, sillimanite, fibrolite and possibly K-feldspar can also be seen. This rock is quarried and used as building and roofing stone.
LocationItaly. Ivrea Zone, Val d'Ossola.
PhotographerDexter Perkins. 2001-05-22.
Key wordsmylonite, Italy, Ivrea Zone
Tech details1.48 MB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number518