assimilation (1) oxygène (1) minéral (1) séparation des masses (physique) (1) isotope (1) enrichissement (1) Groenland (1) Composition (1) Magmas (1) Values (1) Units of measurement (1) Theater (1) Syenite (1) Silica (1) Rocks (1) Oxygen (1) Nephelite (1) Feldspar (1) Drama (1) Crystallization (1) Carbonatites (1) Calcite (1) Average (1) Acting (1) Separation (1) Behavior (1) silice (1)