Gaseous materials that are readily lost from a system if not confined; also, substances such as water and carbon dioxide, which are loosely bound into a mineral structure and can escape from a rock if the
minerals break down during metamorphism.
Gaseous materials that are readily lost from a system if not confined; also, substances such as water and carbon dioxide, which are loosely bound into a mineral structure and can escape from a rock if the
minerals break down during metamorphism.
