Hand sample of Pumice,a light-coloured volcanic (extrusive) igneous rock of rhyolitic composition. Its texture results from bubbles formed by escaping gasses | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Schneider, Mark A. |
Taille de l’image : | 4256 px × 2848 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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