Difference between regional and contact metamorphism
Answers
Answer:
Contact metamorphism is a type of metamorphism where rock minerals and texture are changed mainly due to the heat of magma.
And Regional metamorphism is a type of metamorphism where rock minerals and texture are changed by heat and pressure over a wide area or region .
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Answer:
contact metamorphism usually occurs under higher temperature conditions associated with ignorant intrusions on a smaller scale. The high temperatures ‘ bake’ the surrounding country rock as the magma intrudes into the country rock and a metamorphic aureole is formed. The formed rocks are usually called hornfels.
Regional metamorphism occurs as a result of convergent tectonic activity and is usually characterized by low temperature and high pressure conditions. Thus this type of metamorphism is often associated with orogenic events and over a large area causes metamorphism. Under regional metamorphic conditions, Barrovian zone sequences and structures such as folds are formed.
Explanation:
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