Structural Geology: Structural geology in Cabo Peñas (Asturias, Spain). Part I Fault-propagation folding
Bands of black basic gneiss and grey acid gneiss were formed from igneous rocks more than 2000 million years ago. In a later event, they have been cut across by intrusions of pink granite. Near Loch Laxford, NW Scotland.
Hosta Beach rock formations, North Uist, - Buscar con Google