Igneous Rocks Quiz
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Questions and Answers

What are the three components of magma?

  • Melt, solids, volatiles (correct)
  • Decompression, heat input, flux
  • Magma, lava, rock
  • Liquid, gas, minerals
  • What is the parent material of igneous rocks?

  • Sediment
  • Lava
  • Metamorphic rock
  • Magma (correct)
  • What occurs to form magma inside the Earth?

  • Complete melting due to pressure, cooling, or erosion
  • Partial melting due to decompression, heat input, or addition of a flux (correct)
  • Solidification of minerals
  • Condensation of gases
  • How are igneous rocks typically classified?

    <p>By texture and mineral composition</p> Signup and view all the answers

    What is the term for magma that reaches the surface?

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

    What are the three components of magma?

    <p>Mobile ions, silicate minerals, and dissolved gases</p> Signup and view all the answers

    What is the term for molten rock that reaches the surface?

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

    How do igneous rocks typically form?

    <p>By cooling and solidifying of molten rock</p> Signup and view all the answers

    What is the parent material of igneous rocks?

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

    How are igneous rocks typically classified?

    <p>By texture and mineral composition</p> Signup and view all the answers

    What are the three components of magma?

    <p>Liquid portion, solids, volatiles</p> Signup and view all the answers

    How are igneous rocks typically classified?

    <p>Texture, mineral composition</p> Signup and view all the answers

    What is the parent material of igneous rocks?

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

    What is the term for magma that reaches the surface?

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

    What causes partial melting of rocks inside the Earth?

    <p>Decompression, heat input, addition of a flux</p> Signup and view all the answers

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