Contorted phyllite,a metamorphic rock. Phyllite is formed by continuing metamorphic pressure on slate. Even more pressure would produce a schist | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Joyce Photographics |
Taille de l’image : | 5123 px × 3411 px |
Model Release : | Non requis |
Restrictions : |
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