Volcanic plug. A volcanic plug forms when lava hardens in the vent of a volcano. This plug is part of a complex situated within the crater of an extin

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Volcanic plug. A volcanic plug forms when lava hardens in the vent of a volcano. This plug is part of a complex situated within the crater of an extinct volcano. Photographed in the Hoggar Mountains, near Tamanrasset, Algeria.

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Size: 4308px × 5405px
Photo credit: © DAVID PARKER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: africa, african, ahaggar, algeria, algerian, basalt, crater, earth, environment, eroded, extinct, extrusion, formation, geography, geological, geology, hoggar, igneous, landform, mountains, peak, physical, plug, rock, rocks, science, tamanrasset, volcanic, volcano, volcanology, vulcanology