Gogotte, fossilised sandstone concretion. This rock formation is a sandstone concretion bonded by a siliceous cement. The sand grains have been glued together by silica rich water circulating within the sand layer. This specimen is 30, 000-50, 000 years old. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Stammers, Sinclair |
Bildgröße: | 3518 px × 5027 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |