May 1985 Thematic Mapper image of Olca & Paruma (20º56'S, 68⩝30'W to 68º26'W). TM Scene ID=50913-13571, Scene 00174, bands 7,4,2. Scale Bar = 10km.

TM image of the Olca-Paruma complex. Volcans Olca (O) and Paruma (P) lie at either end of an extensively fumarolically altered ridge which extends ~15 km westward from the older Cerro Paruma (CP).

(de Silva and Francis)