ignimbrites
/ˈɪɡnɪmbraɪts/
noun
- Plural of ignimbrite; multiple deposits or formations of this volcanic rock.
- Different ignimbrites can vary in color and hardness depending on their mineral content.
- The map showed the locations of ancient ignimbrites from several eruptions millions of years ago.
- The region is famous for its colorful ignimbrites, which attract many geology students.