Basalt rock formation. Twin Buttes basalt rock formation (upper frame). This fine-grained,dark igneous rock is commonly found in the remains of old lava flows. Lava is capable of flowing great distances,and often forms thick piles as one flow builds on another. Photographed in Arizona,USA | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Falkner, Peter |
Taille de l’image : | 4325 px × 3258 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |