Ponta do Marco
COR 3
39º 43'19''N 31º 06'57''W
“Ponta do Marco” is the northwestern point of the island. It is a high sea-cliff, deeply affected by the marine erosion processes that cut deep in the bowels of the Caldeirão polygenetic volcano, revealing its complex volcano-stratigraphic sequence and the intricate basaltic dyke system associated.
