Folded migmatites, Punta ainu

folded Sillimanite migmatites. Photo ID 637

Photograph: Alessandro Da Mommio

Reference: Anatexis in the Hercynian basement of NE Sardinia, Italy: a case study of the migmatite of Porto Ottiolu (G. Cruciani, M. Franceschelli, A. M. Caredda, and G. Carcangiu)