Concretions occurring along clearly defined strata in shale. Photographed on Axel Heiberg Island,Canadian arctic | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Alean, Dr. Juerg |
Taille de l’image : | 5138 px × 3413 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |