Chalk outcrop. Chalk is a soft sedimentary rock,consisting of calcium minerals formed from the skeletons of prehistoric marine organisms. This exposed outcrop near Dover,UK,has a rounded,rain-eroded surface | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Chillmaid, Martyn F. |
Bildgröße: | 3149 px × 3919 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |