Sunday, February 27, 2011


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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