GL 107 Earth Systems Science

K. Hannula

Discussion questions for 9/17/07

1.  What type of rocks form at divergent plate margins?

2.  What type of rocks form at oceanic hot spots?

3.  What type of rocks form at continental hot spots?

4.  What causes melting at convergent plate margins?

5.  What types of rocks form in volcanoes at convergent plate margins?

6.  At what type of plate boundary do the most destructive volcanoes form?  Why do they form there?