Petrified tree trunk. Petrification is the process by which organic material is converted to have a mineral composition. It occurs where plant material has been covered by sediments very rapidly. Photographed in the Petrified Forest National Park,Arizona,USA | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Craddock, Tony |
Bildgröße: | 3600 px × 4800 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |