Volcanic plugs. A volcanic plug forms when lava hardens in the vent of a volcano. These plug is part of a complex situated within the crater of an extinct volanco. Photographed in the Hoggar Mountains,near Tamanrasset,Algeria | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Parker, David |
Taille de l’image : | 5475 px × 4534 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |