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7 Written questions

6 Multiple choice questions

  1. oceanic
  2. 15
  3. lava
  4. >50% SiO2, gooey, highly viscous, becomes explosive, convergent system associated with continental crust formation.
  5. eruptions, lava
  6. magma

6 True/False questions

  1. Silicic rocks process via __.solidification of magma or lava


  2. Silicic rocks are generated with __ zones at __ plate boundaries as magma chambers.ridges


  3. What is divergent?plates moving toward one another


  4. Importance of igneous rocks?building materials, ores


  5. When solidified, magma chamber becomes a __ composed of granite and/or diorite.batholith


  6. Mafic rocks are generated at __ (divergent plate boundaries).ridges


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