Igneous Petrology Quiz

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Questions and Answers

Which type of rocks are primarily studied in igneous petrology?

  • Sedimentary rocks
  • Igneous rocks (correct)
  • Metamorphic rocks
  • Volcanic rocks

What type of petrology is discussed in the text?

  • Metamorphic petrology
  • Sedimentary petrology
  • Volcanic petrology
  • Igneous petrology (correct)

What is the main process involved in the formation of igneous rocks?

  • Erosion
  • Weathering
  • Crystallization (correct)
  • Deposition

What is the primary factor that determines the texture of an igneous rock?

<p>Rate of cooling (D)</p> Signup and view all the answers

Which of the following best describes the composition of basaltic magma?

<p>Low silica content and high iron and magnesium content (C)</p> Signup and view all the answers

What type of igneous rock is formed from the rapid cooling of lava at the Earth's surface?

<p>Basalt (C)</p> Signup and view all the answers

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