USGS scientist uses a rock hammer to take lava sample from a lobe of an active lava flow on the big island of Hawaii. The lava is immersed in water to avoid further crystallisation before it is submitted for geochemical analysis. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Modell-Rechte: | nicht erforderlich |
Länge: | 58 Sekunden |
Seitenverhältnis: | 16:9 |
Restrictions: | - |