Iron oxide precipitation in agate. The agate forms in layers by the deposition of silica inside a host rock. Impurities in the silica precipitate out,creating the colours and patterns seen here. This relatively common type of pattern,appearing like mountain peaks,is known as a landscape agate | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 6201 px × 2962 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |