Essexite, plutonic, from Grenville, Quebec. Essexite, also called nepheline monzogabbro, is a dark gray or black holocrystalline plutonic igneous rock. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Degginger, Phil |
Taille de l’image : | 5940 px × 4631 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |