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Questions and Answers
What term describes the process of permanent shape change in rocks due to temperature and pressure?
What term describes the process of permanent shape change in rocks due to temperature and pressure?
Foliated rocks contain random, interlocking mineral textures.
Foliated rocks contain random, interlocking mineral textures.
False (B)
What type of metamorphism occurs when magma comes in contact with existing rock?
What type of metamorphism occurs when magma comes in contact with existing rock?
Contact metamorphism
The rock that changes during metamorphism is called the ______.
The rock that changes during metamorphism is called the ______.
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Match the following metamorphic rocks with their classification:
Match the following metamorphic rocks with their classification:
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Study Notes
Metamorphism
- Metamorphism is any process that alters a rock's structure and composition in a solid state.
- Factors causing metamorphism include changes in temperature, pressure, and the addition of chemical fluids.
- Rocks form under high temperatures and pressures.
Plastic Deformation
- Plastic deformation is the permanent change in shape a rock undergoes through bending and folding.
- This occurs during tectonic plate collisions, which create mountains.
- The rock that changes during metamorphism is called the parent rock.
Foliated Rocks
- Foliated rocks are metamorphic rocks layered with flat and elongated minerals.
- Examples include gneiss and schist.
Nonfoliated Rocks
- Nonfoliated rocks have mineral grains in a random, interlocking arrangement..
- An example of a nonfoliated rock is marble.
Contact Metamorphism
- Contact metamorphism happens when magma interacts with surrounding rocks.
- The magma's heat and gases transform the surrounding rocks into new metamorphic rocks.
Regional Metamorphism
- Regional metamorphism creates large metamorphic rock bodies, covering hundreds of square kilometers.
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Description
Explore the fascinating processes of metamorphism, including the formation of foliated and nonfoliated rocks. Learn about plastic deformation and the effects of temperature and pressure in rock transformations. This quiz will test your understanding of how rocks change in solid state and the different types of metamorphic rocks.
