Phenocrysts include amphibole, clinopyroxene, orthopyroxene, olivine, plagioclase and titanomagnetite, in dacites also biotite and hornblende; overall their amount is smaller than in other volcanoes of the Central Volcanic Zone such as Lascar.
Phenocrysts include amphibole, clinopyroxene, hornblende, orthopyroxene, plagioclase and titanomagnetite; in andesite also olivine, in dacites also biotite. Overall the amount of phenocrysts in Licancabur's rocks is smaller than in other volcanoes of the Central Volcanic Zone such as Lascar.