Vesicular basalt. Close-up of a cut specimen of basalt showing numerous voids. These voids are leftovers of gas bubbles trapped in the basaltic lava after it flowed out to the surface and cooled down. This sample was found near the Navajo Plains,Arizona,USA,and measures 120 mm wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5315 px × 3543 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |