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 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Parker, David |
Bildgröße: | 5475 px × 4534 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |