Red and white sandstone. This detrital sedimentary rock sample contains quartz and feldspar grains and some white mica. Part of the argillaceous (clay-containing) cement-like bulk of the rock is coloured by iron oxide (reddish-brown). This specimen dates from the Eocene (37 million years ago),and formed on the bottom of a lake. It 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 : | 3449 px × 5173 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |