Pillow lava forms when basaltic lava extrudes underwater. Typically,the lower side of a lava pillow is more pointed than the upper one. This is useful when the original orientation has to be reconstructed after a rock formation containing lava pillows has been rotated by tectonic movements. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Alean, Dr. Juerg |
Bildgröße: | 6720 px × 4480 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |