Red sandstone,close-up. This quartzose (quartz-containing) sand,cemented by clay and silica,settled in sedimentary basins during the Permian (260 million year ago). Iron oxide produces the reddish colour. This rock is used as a construction stone. This specimen is part of the Geoscope geological park,located between Les Monts-Vert and Albaret-Sainte-Marie,central France | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Chillmaid, Martyn F. |
Taille de l’image : | 5173 px × 3449 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |