Weathered columnar basalt formation. Columnar basalt is formed by rapid cooling of a lava flow. The hexagonal shape of the columnar jointing is due to the prescence of pyroxene. Photographed in the Cantal region of the Auvergne Volcanoes National Park,France | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / De Fraeye, Mark |
Bildgröße: | 4188 px × 4194 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |