Granite sample,close-up. Granite is an intrusive igneous rock consisting of the minerals quartz,feldspar and mica. The clear granite consists of the black mica biotite,a large proportion of quartz and only a little grey feldspar. This sample is from the Rock of Ages Quarry,Barre,Vermont,USA,the world's largest granite quarry | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Szoenyi, Michael |
Taille de l’image : | 4307 px × 2912 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |