Quartz seam in schist,close-up. Seams of quartz form in fissures or cracks in existing rocks,here a Cevennes schist. This black metamorphic rock,used as roof tiles,contains chlorite,and black and white micas. This specimen is part of the Geoscope geological park,located between Les Monts-Vert and Albaret-Sainte-Marie,central France | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Chillmaid, Martyn F. |
Taille de l’image : | 5173 px × 3449 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |