Metamorphism Classifications Quiz
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Metamorphism Classifications Quiz

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Questions and Answers

What type of metamorphism occurs due to mountain building at a continent-continent convergent boundary?

  • Regional metamorphism (correct)
  • Seafloor metamorphism
  • Hydrothermal metamorphism
  • Contact metamorphism

    • Which metamorphic process involves alteration of rocks at high temperatures and moderate pressures by hydrothermal fluids?

  • Seafloor metamorphism
  • Hydrothermal metamorphism (correct)
  • Regional metamorphism
  • Contact metamorphism

    • Seafloor metamorphism primarily affects which geological feature?

  • Volcanic islands
  • Continental crust
  • Mountain ranges
  • Oceanic crust (correct)

    • Which metamorphism is associated with the proximity to a magma body?

    <p>Contact metamorphism</p> Signup and view all the answers

    What type of metamorphism occurs in a subduction zone?

    <p>Regional metamorphism</p> Signup and view all the answers

    What process is responsible for regional metamorphism in areas related to mountain building?

    <p>Convergent boundary evolution</p> Signup and view all the answers

    Hydrothermal metamorphism typically occurs at what type of geological setting?

    <p>Along spreading ridges</p> Signup and view all the answers

    Which metamorphic process predominates when tectonic plates converge and create mountain ranges?

    <p>Regional metamorphism</p> Signup and view all the answers

    What defines the process of metamorphism in rocks?

    <p>Change due to high temperature and pressure</p> Signup and view all the answers

    Which term refers to the original rock from which a metamorphic rock is formed?

    <p>Protolith</p> Signup and view all the answers

    What is primarily responsible for initiating chemical reactions during metamorphism?

    <p>High temperature</p> Signup and view all the answers

    Under what conditions do metamorphic rocks typically form?

    <p>High temperature and high pressure</p> Signup and view all the answers

    Which of the following can be a protolith for metamorphic rocks?

    <p>Igneous, sedimentary, and metamorphic rocks</p> Signup and view all the answers

    What happens to the original texture and mineral composition of a rock during metamorphism?

    <p>They are altered and changed</p> Signup and view all the answers

    What is the resultant rock formed after the metamorphic process is called?

    <p>Metamorphosed rock</p> Signup and view all the answers

    What characterizes contact metamorphism?

    <p>It results from the intrusion of hot magma.</p> Signup and view all the answers

    What role does chemically aggressive pore water play in metamorphism?

    <p>It can induce chemical alteration</p> Signup and view all the answers

    Which term describes the area around an igneous rock that has undergone metamorphism?

    <p>Metamorphic aureole</p> Signup and view all the answers

    What is the main driver of regional metamorphism?

    <p>Pressure and temperature changes</p> Signup and view all the answers

    Where is regional metamorphism most likely to occur?

    <p>Along tectonic plate boundaries</p> Signup and view all the answers

    Which of the following processes is not associated with contact metamorphism?

    <p>Pressure from tectonic forces</p> Signup and view all the answers

    What geological feature often results from regional metamorphism?

    <p>Long mountain ranges</p> Signup and view all the answers

    What leads to the formation of a metamorphic aureole?

    <p>Intrusion of hot magma into surrounding rock</p> Signup and view all the answers

    Which of the following best distinguishes contact metamorphism from regional metamorphism?

    <p>Contact metamorphism is localized, while regional metamorphism is widespread.</p> Signup and view all the answers

    What is one of the main reasons slate tiles are used for roofing?

    <p>Their durability and water resistance</p> Signup and view all the answers

    Which material is highlighted as a strong and durable option for countertops?

    <p>Quartzite</p> Signup and view all the answers

    What makes quartzite a popular choice for flooring?

    <p>It is resistant to scratches and damage</p> Signup and view all the answers

    How long can slate tiles last as roofing material?

    <p>Over 100 years</p> Signup and view all the answers

    Why are slate tiles a good choice for high-traffic areas?

    <p>They resist staining and are easy to clean</p> Signup and view all the answers

    Which of the following is NOT a characteristic of slate tiles used for flooring?

    <p>Porous</p> Signup and view all the answers

    What is a significant benefit of using quartzite countertops in kitchens?

    <p>They are heat-resistant</p> Signup and view all the answers

    What maintenance advantage does quartzite flooring offer?

    <p>Easy to clean and maintain</p> Signup and view all the answers

    What characterizes foliated textures in metamorphic rocks?

    <p>Parallel alignment of mineral grains</p> Signup and view all the answers

    Which type of metamorphic rock is likely to exhibit a foliated texture?

    <p>Metamorphic rocks subjected to high pressure</p> Signup and view all the answers

    What visual appearance is commonly associated with foliated metamorphic rocks?

    <p>Banded or layered</p> Signup and view all the answers

    Which of the following factors contributes to the formation of foliation?

    <p>High pressure and directed stress</p> Signup and view all the answers

    What type of metamorphic environment is most likely to produce foliated rocks?

    <p>Subduction zones with high pressure</p> Signup and view all the answers

    Why do foliated metamorphic rocks have distinct layers?

    <p>From the alignment of minerals under pressure</p> Signup and view all the answers

    What is NOT a characteristic of foliation in metamorphic rocks?

    <p>Uniform distribution of minerals throughout the rock</p> Signup and view all the answers

    Which process is least likely to contribute to creating foliation?

    <p>Slow cooling of magma in shallow crust</p> Signup and view all the answers

    Study Notes

    Classifications of Metamorphism

    • Hydrothermal Metamorphism: Alters rocks at high temperatures and moderate pressures through hydrothermal fluids.
    • Seafloor Metamorphism: Occurs in oceanic crust near spreading ridges, influenced by hydrothermal processes.
    • Regional Metamorphism: Associated with mountain building at continent-continent convergent boundaries.
    • Contact Metamorphism: Takes place adjacent to magma bodies, where temperature increases from hot magma intrusions lead to the formation of a metamorphic aureole.

    Origin of Metamorphic Rocks

    • Form from pre-existing igneous, sedimentary, and metamorphic rocks.
    • Created under conditions of high temperature and pressure, altering the original rock's texture, composition, and mineralogy.
    • The original rock before metamorphism is termed the protolith, while the result of the process is the metamorphosed rock.

    Agents in the Process of Metamorphism

    • Temperature (Heat): Typically begins at 150-200°C, activating chemical reactions that change the mineral composition of the parent rock.
    • Pressure: Increases structural modifications, influencing rock texture and density.

    Textures of Metamorphic Rocks

    • Foliated Texture: Characterized by the parallel alignment of mineral grains, giving a banded or layered appearance. Common in rocks subjected to high pressure and directed stress.

    Applications of Metamorphic Rocks

    • Slate: Durable and water-resistant; suitable for roofing and flooring. Resistant to staining, making it ideal for high-traffic areas.
    • Quartzite: Extremely strong, durable, and heat-resistant; excellent for countertops and flooring, adding aesthetic appeal.

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    Related Documents

    Chapter 3 Metamorphic Rocks PDF

    Description

    Test your knowledge on the classifications of metamorphism and understand the different types and processes involved. This quiz covers topics such as contact metamorphism and the locations where various metamorphic types occur. Enhance your understanding of geological concepts with this engaging quiz.

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