About This Chapter
Metamorphic Rocks: A Deeper Look - Chapter Summary and Learning Objectives
In earth sciences, 'metamorphism' refers to solid-stage changes in igneous and sedimentary rocks, changes that can take place due to heat (which could be caused by gravitational compression, friction, or radioactivity), pressure (including lithostatic pressure due to burial and the directed pressure caused by tectonic movement), and chemically active fluids (generally water). In this chapter, video instructors will guide you through the types of metamorphism and the classification of metamorphic rocks. You'll learn the vocabulary associated with the topic. At the end of this chapter, you should be able to:
- Name and explain the factors that affect metamorphism
- Define 'parent rock'
- Tell the difference between foliated and nonfoliated rock
- Differentiate between the different metamorphic products of shale
- Explain the difference between contact and regional metamorphism
|Metamorphism: Definition and Influencing Factors||Define metamorphism. Describe how temperature, pressure (uniform and differential stress), fluids, time, and parent rock composition conditions influence metamorphism|
|Classification of Metamorphic Rocks: Texture and Parent||Explain how metamorphic rocks are classified through texture (foliated vs nonfoliated) and parent rock. Describe the common metamorphic products of shale|
|Types of Metamorphism: Contact (Thermal) Metamorphism vs. Regional Metamorphism||Differentiate between contract (thermal) metamorphism and regional metamorphism|
1. Metamorphism of Rocks: Definition, Process & Influencing Factors
Exposure to intense heat and pressure can result in the metamorphism of previously formed rocks. Learn about the factors that influence metamorphism and the metamorphic processes: recrystallization, neometamorphism and metasomatism in this lesson.
2. Classification of Metamorphic Rocks: Texture & Parent
Metamorphic rocks are classified by their texture, which is either foliated or non-foliated, and according to their parent rock. Learn about the different textures and parent rocks of metamorphic rocks.
3. Contact Metamorphism Vs. Regional Metamorphism: Definition & Differences
There are two types of metamorphism involved in the creation of metamorphic rocks. In this lesson, you'll learn the definitions of and differences between contact metamorphism and regional metamorphism.
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Other chapters within the Earth Science 101: Earth Science course
- Earth Science Basics
- Geologic Time
- Characteristics of Matter
- Earth's Spheres and Internal Structure
- Plate Tectonics
- Minerals and Rocks
- Igneous Rocks
- Volcanic Landforms
- Weathering and Erosion
- Sedimentary Rocks: A Deeper Look
- Rock Deformation and Mountain Building
- Water Balance on Earth
- Running Water
- Ground Water
- Coastal Hazards
- Earth's Atmosphere
- Weather, Air Masses & Storms
- Earth History
- Energy Resources
- Studying for Earth Science 101