Ochre, from Quebec.Ochre is a natural earth containing silica and clay tinted by hydrous forms of iron oxide, such as yellow-brown limonite or brown-yellow to green-yellow goethite, and traces of gypsum or manganese carbonate. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Degginger, Phil |
Taille de l’image : | 5554 px × 4391 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |