The three agents of metamorphism are heat, pressure, and hydrothermal solutions! It's in my textbook, and I got it right on the quiz I just took.
Heat, fluids and pressure are three agents of metamorphism of rocks.
The process in which assemblage of minerals and texture variation due to physical-chemical changes on solid rocks.
The primary agents of metamorphism are heat causes faster rate of chemical reactions and converts a different mineral with a more stable state.
Pressure can forms of minerals more stable where as fluids speeds up the movement of the ions .
Depending on the effect of mechanical and chemical changes, metamorphism can be classified into Dynamic metamorphism, Contact metamorphism, Regional metamorphism.
Dynamic metamorphism other wise called as cataclasis refers to result of mechanical deformation with a small changes in long-term temperature.
When differential stress is minor, increase in temperature causes Contact metamorphism.
A correlation of temperature and pressure in a large area causes regional metamorphism.
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