What Is The Difference Between Regional And Contact Metamorphism
Camila Farah
Each type of metamorphism generates distinct rock types.
Hornfels is a fine grained rock that shows no signs of layering. The main difference between contact and regional metamorphism is that contact metamorphism occurs in a small region whereas regional metamorphism occurs in a wide area. There are a couple of ways this can happen. Metamorphism is the changing of minerals and textures in a rock as a result of exposure to heat and or pressure.
Contact metamorphism is what happens when something really hot like a body of magma molten rock comes in contact with colder rock. Regional metamorphism works by compressing rock which can often cause the rock to be layered or foliated. The rocks get cooked just like when one pours pancake batter onto a hot frying pan. Contact metamorphism is the name given to the changes that take place when magma is injected in the surrounding solid rock country rock.
Himalayan range is a good example of the results of a regional metamorphism. Any type of magma body can lead to contact metamorphism from a thin dyke to a large stock. What is contact metamorphism. Contact metamorphism is metamorphism that happens when preexisting rock comes in contact with a molten rock or magma and it melts locally regional metamorphism is metamorphism happens when two.
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There are two major ways of forming a metamorphic rock. The type and intensity of the metamorphism and width of the metamorphic aureole will depend on a number of factors including the type of country rock the.
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