When humans feel a lot of heat, they sweat. When a rock experiences heat and pressure, it becomes a metamorphic rock. Metamorphic rocks start as another type of rock, like an igneous or sedimentary rock, or even a different metamorphic rock. The process of creating the new rock is metamorphism — you can think of these rocks as shapeshifters!
How Metamorphic Rocks Form
Types of Metamorphism
- Contact metamorphism (or thermal metamorphism) is when hot magma comes into contact with cooler rock.
- Hydrothermal metamorphism occurs when hot fluids or gasses interact with rocks.
- Shock metamorphism happens when meteorites hit the Earth’s surface (lots of pressure!).
- Dynamic metamorphism is the creation of metamorphic rocks between tectonic plates. It happens at plate boundaries.
How are Metamorphic Rocks Different?
Common Examples of Metamorphic Rocks
Other Great Resources
Simple Information About Metamorphic Rocks: http://www.onegeology.org/extra/kids/metamorphic.html
Fun Facts about Metamorphic Rocks: http://easyscienceforkids.com/all-about-metamorphic-rock/
Cool Video on Metamorphism: https://www.youtube.com/watch?v=jgK-sWkgU4o
Written by: Hayley Krolik