2pts = answered from memory 1pt = looked in notes ½ pt = copied from PPT Chapter 12 PowerPoint Review 1.What are the four different types of mountains? 1.What are the four different types of mountains? Dome, volcanic, fault-block, folded What three factors make a rock melt? What three factors make a rock melt? Change in pressure, adding fluids, increase temperature What type of volcano is this? What type of lava? Shield Volcano, mafic What two things are shown in this picture? What two things are shown in this picture? Horst/graben and fault-block mountain How do these form? How do they form? The crust is stretched and broken into pieces that can drop or tilt. What type of volcano is this? Stratovolcano or Composite Volcano What is located under these islands? How do you know? What is located under these islands? How do you know? Hot spot What is in the center of this crater? What is in the center of this crater? Lava dome What type of volcano is this? Cinder Cone What provides the force to push molten rock out of a volcano’s vent during an explosive eruption? What provides the force to push molten rock out of a volcano’s vent during an explosive eruption? Trapped, dissolved gasses Felsic lava High silica content Where can you find a volcano that is far away from a plate boundary? Hot spot Name the six different types of volcanoes Name the six different types of volcanoes Which minerals do you see in mafic lava? Which minerals do you see in mafic lava? Magnesium and iron What type of volcano is this? Fissure Volcano Bonus Question What did the volcano say to his wife? Bonus Question What did the volcano say to his wife? I lava you.