Metamorphism is the phenomenon in which heat, pressure and chemically formed liquid bring about textural,structural and mineralogical change in rocks.
Types of metamorphism:
1.Thermal metamorphism:In this case temperature predominate metamorphism.
2.Cataclastic metamorphism:Here pressure is the main factor.
3.Dynomothermal metamorphism:Both pressure and temperature are main factor.Chemically active fluid also play some important role.
4.Plutonic metamorphism:This type of metamorphism occur at some depth of earth surface where temperature is high and pressure is uniform
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