Metamorphic Rock Processes and Types Quiz
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Questions and Answers

What is the primary factor that leads to the formation of metamorphic rocks?

  • Sedimentary deposition
  • Heat and pressure (correct)
  • Chemical weathering
  • Biological activity
  • Which type of metamorphism occurs due to an extraterrestrial object impacting the earth's surface?

  • Metasomatism
  • Neometamorphism
  • Impact metamorphism (correct)
  • Recrystallization metamorphism
  • What is the process by which the crystals in a rock change in size and chemical composition under heat and pressure?

  • Metasomatism
  • Sedimentation
  • Neometamorphism
  • Recrystallization (correct)
  • Which type of rock can metamorphic rocks originate from?

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

    What is the term for the process through which certain minerals transform their structure into a special form due to elevated temperatures and pressures?

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

    Which metamorphic process results in different rock formations due to rocks changing into another form under high temperature and pressure?

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

    What is the special type of metamorphism that occurs as the result of a huge volcanic eruption?

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

    Which process involves a chemical change in composition, leading to the creation of hard coal from its parent rock, bituminous coal?

    <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

    Which metamorphic 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

    Which type of metamorphism 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

    What is the primary difference between marble and limestone resulting from metamorphism?

    <p>Marble contains larger calcite crystals</p> Signup and view all the answers

    What occurs during recrystallization in the metamorphic process?

    <p>Formation of larger crystals from small ones</p> Signup and view all the answers

    What is the primary cause of metamorphism?

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

    What is the process where small crystals combine 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 is the result of the metamorphic process that increases the carbon concentration of the organic matter, leading to the formation of anthracite, also known as hard coal?

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

    What type of rock does limestone metamorphose into when subjected to elevated temperature and pressure?

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

    What is the process that involves water dissolving and depositing material into the rock during metamorphism, altering its form?

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

    Which 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

    What type of rock is more stable than limestone and contains larger calcite crystals due to recrystallization?

    <p>Marble</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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