Read
Etude des roches de la surface terrestre
By
Mme Pichon
Granite. Barre = 1 cm. Photo: Alain Bonnot Blanc= Feldspath Gris=Quartz Noir=Biotite
Granite. Barre = 1 cm. Photo: Alain Bonnot Blanc= Feldspath Gris=Quartz Noir=Biotite