Highly deformed,folded gneiss in the Verzasca valley,Ticino,Switzerland. The rocks were scoured and polished during flood events. The rocks originally were sedimentary,then became metamorphic at great depth within the Earth's crust during the collision of continents,and were finally uplifted and exposed during the formation of the Alps. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Alean, Dr. Juerg |
Taille de l’image : | 5625 px × 3750 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |