Oolitic limestone,with fossils. Limestone mainly consists of calcium carbonate. Ooliths,or ooids,are spherical grains of carbonate composed of concentric layers | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Natural History Museum, London |
Taille de l’image : | 4703 px × 3716 px |
Model Release : | Non requis |
Restrictions : | - |