1. PLATE BOUNDARY INTERACTIONS
separating
coming together
sliding past one another
PLATE BOUNDARY INTERACTIONS

2. DIVERGENT BOUNDARIES Plates are pushed aside as magma rises to crust
Creates ridges
rift valley
ridge ridge
and rift valleys
animation
DIVERGENT BOUNDARIES

3. basalt magma & rocks Iceland Ethiopia East African rift valley
volcanism at the rift
Ethiopia
East African rift valley

4. Plates slide past each other – side by side, or up and down
Creates faults and earthquakes
rift valley
ridge ridge
TRANSFORM BOUNDARIES

5. San Andreas - a strike-slip fault
Animation index
San Andreas - a strike-slip fault

6. Ex: Mid-Atlantic ridge
transform and divergent boundaries

7. What boundaries are present?
divergent
transform
divergent
What boundaries are present?

8. What boundaries are present?
subduction
convergent
divergent
What boundaries are present?

9. What can you identify & explain?