1. Geography of Canada www.CraigMarlatt.com/school
Plate Tectonics
Geography of Canada

2. Planet Earth
Plate Tectonics
Earth’s Interior
Forces of Erosion

3. Plate Tectonics - Continental Drift

4. Pangaea

5. Plate Tectonics - Continental Drift
THE CONTINENTS TODAY

7. Plate Tectonics - Continental Drift
PROOF!

8. Plate Tectonics Map

9. Plate Tectonics Processes

10. Plate Tectonics Separating

11. Plate Tectonics Separating

12. Plate Tectonics Separating

13. Volcanoes and Earthquakes
Pacific Ring of Fire
Volcanoes and Earthquakes

14. Plate Tectonics Separating

15. Plate Tectonics Colliding

16. Plate Tectonics Colliding

17. Plate Tectonics Sliding

18. Plate Tectonics Sliding

19. Plate Tectonics Sliding
Less than Generally not felt, but recorded.
Often felt, but rarely causes damage.
Under At most slight damage to well-designed buildings.
Can be destructive in areas up to about kilometers across.
Major earthquake. Can cause serious damage over larger areas.
8 or greater Great earthquake. Can cause serious damage in areas several hundred kilometers across.

20. Earth’s Interior HYDROSPHERE ATMOSPHERE Crust - 8-64 km thick
Air
ATMOSPHERE
Water
Crust
km thick
- cold & fragile
- Granite and Basalt
Land
LITHOSPHERE
Mantle
km thick
- hot & molten
- Magnesium and Silicon
Outer Core
km thick °C
- liquid Nickel and Iron
Inner Core
km thick °C
- solid Nickel and Iron

21. Geologic History Precambrian Era Volcanism Fault Ancient Sea
Igneous Rock

22. Geologic History Paleozoic Era Erosion Erosion Sediments Sediments
Igneous Rock

23. Geologic History Mesozoic Era Erosion Sediments Sediments Igneous Rock
Mountains Forming

24. Geologic History Cenozoic Era Sedimentary Mountains Eroding
Mountains Forming
Sedimentary Plains
APPALACHIAN MOUNTAINS
PACIFIC OCEAN
ROCKY MOUNTAINS
Igneous Rock
ATLANTIC OCEAN
INTERIOR PLAINS
CANADIAN SHIELD

25. Rock Cycle MAGMA Heats and melts Cools and hardens IGNEOUS METAMORPHIC
Weathers, erodes, and deposits
Stresses or heats
SEDIMENTARY