#3 The question under 5 homework entitled: “Give It Some Thought: Intrusive Volcanic Features – Practical Application” In your answer explain how a geologist would distinguish between a sill and a lava flow within layers of rock in the field by looking in detail at the rock.
#11 Why are some eruptions explosive and some effusive? Which types of volcanoes tend to have explosive eruptions? Which types are generally effusive?
#17 What causes a volcano to take on a particular shape? In other words, why are there different types of volcanoes?
#24 Divergent boundaries, such as the Mid-Atlantic Ridge, are characterized by outpourings of basaltic Using a drawing and a few sentences, describe where this lava comes from and how it forms.
#25 In what kind of tectonic setting do stratovolcanoes form? Are there other places they form? Why?
#26 What is needed to be able to predict whether or not a particular volcano is going to erupt? What details would a good prediction include?
Additional Questions (handwrite your answers)
A) Does the lava that erupts from volcanoes here on Earth ever come from the outer core? Explain your answer.
B) Draw an ocean-continent convergent plate boundary, showing where melting occurs and briefly explaining why on the figure.
