Cliffs of stratified marine sedimentary rocks at Cei Bach in West Wales. They are Ordovician (488-443 million years ago) in age and known as the Aberystwyth Grits,having been deposited in a deep marine basin under the Iapetus ocean | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Stammers, Sinclair |
Taille de l’image : | 5472 px × 3648 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |