27°35′S 69°52′W / 27.583°S 69.867°W Carrizalillo is a caldera in Chile. It is located in the Central Volcanic Zone and is part of the Paleocene-Eocene volcanic belt.[1] The caldera is located 50 kilometres (31 mi) southwest of Copiapo.[2] It is heavily eroded.[1] Active during the Cretaceous, it is a large caldera. Post-collapse activity generated subsidiary calderas inside the older main caldera.