Volcanic ash. Coloured scanning electron micrograph (SEM) of ash produced during a volcanic eruption. Ash like this is used in the construction industry as a lightweight aggregate component for high-strength light-weight concrete. Magnification: x315,when printed 10 centimetres wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Scharf, David |
Taille de l’image : | 4858 px × 3654 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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