Rocks of the Cabo Ortegal Complex Curiosity · Cariño, Ortegal, A Coruña Image of Cariño, not of the place itself. The black granite that outcrops at the cape formed some 1,160 million years ago, which places it among the oldest rocks visible in Europe; together with the neighbouring eclogites it documents the continental collision that gave rise to Pangaea. Photo: amaianos (CC BY 2.0) What to see and do in Cariño