Definition of undersaturated
i. Said of an igneous rock consisting of unsaturated minerals; e.g., feldspathoids and olivine.
Ref: AGI
ii. Said of a rock whose norm contains feldspathoids and olivine, or olivine and hypersthene.
Compare with: unsaturated, saturated, saturated rock
Ref: AGI
Ref: AGI
ii. Said of a rock whose norm contains feldspathoids and olivine, or olivine and hypersthene.
Compare with: unsaturated, saturated, saturated rock
Ref: AGI