Pahoehoe lava field. Close-up of the surface of solidified Pahoehoe lava. Pahoehoe lava is composed mainly of basalt and has a characteristic undulating,or ropy surface. These features are formed when the surface skin,formed due to cooling,is wrinkled due to the movement of still flowing lava underneath. Photographed in the Cascade Range,Lava Beds National Monument,California,USA | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Szoenyi, Michael |
Taille de l’image : | 5150 px × 3433 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |