Fossilised logs in Petrified Forest
Référence de la vidéo 11939983
| fossilised logs of an ancient forest are scattered across the desert in this view of Petrified Forest National Park in Arizona, USA. These logs are from nine species of trees that existed over 225 million years ago. All are extinct today. Petrification occurred here when fallen trees were buried by mud and volcanic ash and their organic remains were replaced by minerals. | |
| Licence : | Droits gérés |
| Crédit : | Science Photo Library / Matulavich, Peter |
| Model Release : | Non requis |
| Durée : | 14 Secondes |
| Aspect ratio : | 16/9 |
| Restrictions : | - |
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