Metamorphic Rock Processes and Types Quiz
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Questions and Answers

What is metamorphism?

  • A process where rocks change into igneous rocks due to heat and pressure
  • A process where rocks change into sedimentary rocks due to heat and pressure
  • A process where rocks change into another kind of rock due to heat, pressure, or both over time (correct)
  • A process where rocks change into volcanic rocks due to heat and pressure

    • What are the building blocks of rock minerals?

  • Lava
  • Magma
  • Sediments
  • Crystals (correct)

    • What is impact metamorphism?

  • A special type of metamorphism caused by extraterrestrial impacts or huge volcanic eruptions (correct)
  • A type of metamorphism caused by weathering and erosion
  • A type of metamorphism caused by internal heat and pressure
  • A type of metamorphism caused by rapid cooling of magma

    • What are the three metamorphic processes mentioned in the text?

    <p>Recrystallization, neometamorphism, and metasomatism</p> Signup and view all the answers

    What is neometamorphism?

    <p>A process where existing minerals transform into new minerals</p> Signup and view all the answers

    What is metasomatism?

    <p>A process where rocks change into another form under high temperature and pressure</p> Signup and view all the answers

    What occurs during metamorphism?

    <p>Crystals change in size and in the shape of the chemical composition</p> Signup and view all the answers

    What is the process that involves small crystals combining to form larger ones, as seen in the formation of marble from limestone?

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

    Which process rearranges minerals to form new ones, such as the transformation of clay minerals to muscovite mica in shale rock?

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

    What leads to the creation of hard coal from its parent rock, bituminous coal, through a chemical change in composition?

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

    What type of rock is formed from organic origins or calcite sources and metamorphoses into marble through recrystallization when subjected to elevated temperature and pressure?

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

    What is the result of recrystallization, being more stable than limestone and containing larger calcite crystals?

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

    Which metamorphic process increases the carbon concentration of organic matter, leading to the formation of anthracite, also known as hard coal?

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

    What process creates new minerals by changing the chemical composition of the parent rock's crystals, as seen in the transformation of clay to mica in shale?

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

    Which process occurs through various mechanisms such as recrystallization, neometamorphism, and metasomatism, leading to different changes in rock composition and texture?

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

    What is the main cause of metamorphism?

    <p>Heat and pressure</p> Signup and view all the answers

    What process involves small crystals combining to form larger ones in the formation of marble from limestone?

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

    Which type of rock is formed from the transformation of clay minerals to muscovite mica in shale rock?

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

    What is the result of metasomatism in the context of coal formation?

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

    Which process increases the carbon concentration of organic matter, leading to the formation of anthracite?

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

    What type of rock does limestone metamorphose into through recrystallization?

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

    What is the primary cause of the formation of hard coal from peat?

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

    What leads to the creation of new minerals by changing the chemical composition of the parent rock's crystals?

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

    Study Notes

    Metamorphic Rock Processes and Types

    • Metamorphism is caused by heat and pressure, which make rocks malleable without melting.
    • Water can dissolve and deposit material into the rock during metamorphism, altering its form.
    • Recrystallization involves small crystals combining to form larger ones, as seen in the formation of marble from limestone.
    • Neometamorphism rearranges minerals to form new ones, such as the transformation of clay minerals to muscovite mica in shale rock.
    • Metasomatism involves a chemical change in composition, leading to the creation of hard coal from its parent rock, bituminous coal.
    • Limestone can be formed from organic origins or calcite sources, and when subjected to elevated temperature and pressure, it metamorphoses into marble through recrystallization.
    • Marble, resulting from recrystallization, is more stable than limestone and contains larger calcite crystals.
    • Neometamorphism creates new minerals by changing the chemical composition of the parent rock's crystals, as seen in the transformation of clay to mica in shale.
    • Metasomatism leads to the creation of hard coal from peat through a chemical change in composition by fluids and heat, resulting in lignite, bituminous coal, and anthracite at different depths and temperatures.
    • The metamorphic process of metasomatism increases the carbon concentration of the organic matter, leading to the formation of anthracite, also known as hard coal.
    • Metamorphism occurs through various processes such as recrystallization, neometamorphism, and metasomatism, each leading to different changes in rock composition and texture.
    • These processes result in the formation of different types of metamorphic rocks, such as marble from limestone and hard coal from peat.

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    Description

    Test your knowledge of metamorphic rock processes and types with this quiz. Explore how heat, pressure, and chemical changes lead to the formation of rocks like marble and hard coal. Understand the processes of recrystallization, neometamorphism, and metasomatism and their impact on rock composition and texture.

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