Geology Quiz on Rock Types and Formation
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Questions and Answers

What distinguishes intrusive igneous rocks from extrusive igneous rocks?

  • Intrusive rocks tend to have a fine or glossy texture.
  • Intrusive rocks are formed from volcanic eruptions.
  • Intrusive rocks are typically formed at Earth's surface.
  • Intrusive rocks tend to have a coarse grain. (correct)

    • Which process is primarily responsible for the formation of clastic sedimentary rocks?

  • Chemical precipitation.
  • Metamorphism.
  • Erosion and deposition. (correct)
  • Cementation of minerals.

    • Which of the following is a feature of nonfoliated metamorphic rocks?

  • They are formed exclusively from sedimentary rocks.
  • They do not have distinct layers. (correct)
  • They have prominent leaf-like layers.
  • They exhibit color banding.

    • What is a primary factor that influences the texture of a rock?

    <p>The size and nature of its mineral grains.</p> Signup and view all the answers

    Which of the following statements about the uses of rocks is incorrect?

    <p>All rocks are used solely for construction.</p> Signup and view all the answers

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