how are metamorphic rocks formed - EAS
- Metamorphic rock is formed under extreme heat or pressure
- Unlike other types of rock, metamorphic rocks start as rocks which are then transformed into different rocks
- Metamorphic rocks are classified as either foliated or non foliated depending on their mineral structure and pattern
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- https://www.worldatlas.com/articles/how-are-metamorphic-rocks-formed.htmlBecause of the conditions necessary to transform rocks, those being heat and pressure, the process usually occurs deep within the Earth’s crust, or in areas where tectonic plates collide. These are similar conditions which produce igneous rock, however, the important distinct…
- When rocks are transformed by heat, it is known as thermal metamorphism. This means that temperature was the principal cause of the transformation, and the catalyst for the protolith rock’s recrystallization. As mentioned, this tends to take place in areas of extreme heat such as near fi…
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- https://www.nationalgeographic.org/encyclopedia/metamorphic-rocks
Oct 10, 2019 · Although metamorphic rocks typically form deep in the planet’s crust, they are often exposed on the surface of the Earth. This happens due to geologic uplift and the erosion of the rock and soil above them. At the surface, metamorphic rocks will be exposed to weathering processes and may break down into sediment.
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- The Rock Cycle
- nationalgeographic.org
- Igneous Rocks
- nationalgeographic.org
- Sedimentary Rocks
- nationalgeographic.org
- https://pediaa.com/how-is-metamorphic-rock-formed
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- Processes involved in the formation of metamorphic rocks
- Contact metamorphism. This is a process that starts when hot magma finds …
- Regional metamorphism. These are rocks that are formed over a long period …
- Some examples of metamorphic rocks.
- https://www.usgs.gov/faqs/what-are-metamorphic-rocks
Metamorphic rocks started out as some other type of rock, but have been substantially changed from their original igneous , sedimentary, or earlier metamorphic form. Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors.
- https://www.bbc.co.uk/bitesize/guides/z8jcfrd/revision/4
How are metamorphic rocks formed? Metamorphic rocks have been subjected to tremendous heat and/or pressure, causing them to change into another type of rock.
- https://www.reference.com/science/metamorphic-rock...
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