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7 Written questions

6 Multiple choice questions

  1. silicic and mafic
  2. 15
  3. <50% SiO2, very fluid, non-explosive, quiet, low viscosity, divergent associated with oceanic crust.
  4. subduction, convergent
  5. ridges
  6. solidification of magma or lava

6 True/False questions

  1. What is silicic magma/lava?>50% SiO2, gooey, highly viscous, becomes explosive, convergent system associated with continental crust formation.


  2. What is extrusive?lava


  3. what is convergent?plates moving toward one another


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


  5. What is intrusive?lava


  6. Importance of igneous rocks?magma


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