Flint, siliclastic, from Norfolk, UK. Flint is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk or marly limestone. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Degginger, Phil |
Taille de l’image : | 6000 px × 4961 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |