Geology Vocabulary Quiz
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Questions and Answers

What type of material is generated within or below the Earth's crust and flows out from volcanic orifices?

  • Sediment
  • Fossil
  • Lava (correct)
  • Water
  • What term is used for similar material that may be injected into the rocks of the crust?

  • Sedimentary rock
  • Intrusive igneous rock (correct)
  • Metamorphic rock
  • Fossil fuel
  • What do the solidified lavas and intrusions collectively constitute?

  • Metamorphic rocks
  • Igneous rocks (correct)
  • Sedimentary rocks
  • Fossils
  • What is the molten material from which igneous rocks solidify called?

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

    Which element is a non-metal oxide and the basic component of silicate minerals?

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

    What do rocks with high silica content, such as granites, contain visibly?

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

    What is the main difference between basic magmas and acid magmas?

    <p>Acid magmas are less mobile than basic magmas.</p> Signup and view all the answers

    What is the role of fluxes in magma?

    <p>Lower the melting point of substances in magma.</p> Signup and view all the answers

    What is the source of the widespread lava flows from basalt flows?

    <p>Basaltic layer at the base of the lithosphere</p> Signup and view all the answers

    Which type of volcano is characterized by large flat cones called shield volcanoes?

    <p>Central volcano</p> Signup and view all the answers

    What geological feature is associated with central eruptions?

    <p>'Fossil volcanoes' with dissected volcanic cones</p> Signup and view all the answers

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