These are solid state dehydration reactions , and involve the loss of volatiles such as water or carbon dioxide .
Prograde metamorphism involves the change of mineral assemblages ( paragenesis ) with increasing temperature and ( usually ) pressure conditions .
These are solid state dehydration reactions , and involve the loss of volatiles such as water or carbon dioxide .
Prograde metamorphism involves the change of mineral assemblages ( paragenesis ) with increasing temperature and ( usually ) pressure conditions .