Porphyritic texture in an igneous rock. Igneous rock is rock that has solidified from molten magma. This pattern of large mineral crystals within a matrix is known as porphyritic texture. This sample measures 100 millimetres across | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5051 px × 3510 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |