Canadian Shield rocks in the Barrenlands of the Northwest Territories,Canada,north of Yellowknife. This formation was deposited 2.5 billion years ago in Pre-Cambrian seas | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Krasemann, Stephen J. |
Taille de l’image : | 3851 px × 2550 px |
Model Release : | Non requis |
Restrictions : |
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