1. Divergent Plate Boundaries

2. Theory of Plate Tectonics
The theory of plate tectonics states that Earth’s crust and rigid upper mantle are broken into enormous slabs called plates
These plates interact with each other at areas called plate boundaries

3. Theory Of Plate Tectonics
Types of plate boundaries:
Divergent
Convergent
Transform
Features found at plate boundaries:
Volcanoes
Earthquakes
Deep Sea Trenches
Mid-Ocean Ridges

6. Divergent Plate Boundaries
Divergent – Plate boundary where 2 lithospheric plates are moving apart
Divergent Oceanic
Divergent Continental

7. Divergent Plate Boundaries
Divergent Oceanic – Area where 2 oceanic plates are pulling apart
Magma from the mantle is rising and is splitting the plates apart
Results in:
Volcanoes
Earthquakes
Mid-Ocean Ridge

8. Mid-Ocean Ridge
Mid-Ocean Ridge-Underwater mountain chain formed as a result of seafloor spreading
Magma rises from mantle, cool and forms rock  Results in mountains
Mid-Atlantic Ridge – Mid-Ocean Ridge forming down the middle of the Atlantic Ocean
Iceland formed along the Mid-Atlantic Ridge

10. Divergent Plate Boundaries
Divergent Continental – Place where 2 continental plates are pulling apart
Results in a rift valley
East Africa