Understanding Rift Valleys

What is a rift valley primarily formed by?

• Rocks being pulled apart

• Volcanic eruptions

• Rocks being pushed together

• Earthquakes

Which of the following is a key feature in the formation of a rift valley?

• Sediment deposition

• Volcanic activity

• Parallel weak zones

• Convergent plate boundaries

What is the term used for the central block that drops down in a rift valley?

• Horst

• Plateau

• Fault

• Graben

Where does the Mid-Atlantic Ridge emerge from the sea?

• Greenland

• Iceland

• Norway

• Scotland

What are the raised blocks between grabens called?

• Ridges

• Grains

• Horsts

• Faults