Doña Ines is a volcano in Chile. It is a Miocene age stratovolcano which is formed from lava domes that form its summit area and nuee ardente deposits which form the flanks of the volcano. Located north of the Salar de Pedernales, Doña Ines is a 5,075 metres (16,650 ft) high cone with a diameter of 15 kilometres (9.3 mi). Lava domes form the top of the volcano and pyroclastic flow deposits are found on its flanks, generating a noticeable slope contrast between the steeper upper parts of the edifice and the more gentle lower slopes. The nuee ardente deposits contain blocks with sizes of up to 2 metres (6 ft 7 in). Overall the volcano covers a surface area of about 200 square kilometres (77 sq mi). Additional lava domes can be found on the eastern slopes of the volcano. A subsidiary vent, ac