Biotitic (Adjective)
Meaning
Relating to or involving biotite.
Classification
Relational adjectives (pertainyms).
Examples
- The rock formation mainly consists of garnet and biotitic gneiss tightly intergrown together.
- A characteristic feature of the sample is its coarse-grained texture with strongly biotitic alteration.
- The formation of tourmaline requires specific conditions, often found in biotitic or aluminous paragneisses.
- Biotitic schists commonly form in areas with regional low-grade metamorphism.
- Geologists discovered a mixture of biotitic and sulfidic minerals within the metamorphic zone.