Cerro Nicholson
Cerro Nicholson is a scoria cone in Peru. It is constructed on top of the 1.65 mya Arequipa Airport Ignimbrite and is well preserved with a summit crater. It is located west-southwest of Chachani volcano. Lavas erupted from this centre are dark in colour. They are basalt andesitic with vesicularity between 0 and 70%.