A metamorphic reaction is a chemical reaction that takes place during the geological process of metamorphism wherein one assemblage of minerals is transformed into a second assemblage which is stable under the new temperature/pressure conditions resulting in the final stable state of the observed metamorphic rock.
Examples would include the production of talc under varied metamorphic conditions:
- "Types of Metamorphic Reactions". Tulane University. Retrieved 2007-06-22.
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