Plate movement
Teacher recommended
?- Created by: brittany_pe
- Created on: 27-05-17 18:00
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- Plate movement
- Earth structure
- Crust
- Earth's outer shell
- Lithosphere
- Crust and upper mantle
- Mantle
- High heat and pressure
- Core
- Centre part
- Convection currents
- Generated by the heat at the core
- Plate tectonics
- Circular movement of semi-molten rock
- Crust
- Evidence
- Continental drift
- 1912 theory proposed by Alfred Wegner
- Paleomagnetism
- Provides evidence for sea floor spreading
- Geology
- Rocks in S.America and Africa have the same age and compositions
- Climatology
- Similar glacial deposits in Antarctic and Africa
- Living Species
- Same species of earthworms found in N.America and Asia
- Fossil Records
- Unlikely that species migrated across miles of water
- Continental drift
- Conservative
- Plates move past each other
- Pacific plate moves past the North American plate
- Earthquakes along the Sana Andreas fault in California
- Destructive
- Two plates converging
- Deep sea trenches
- Peru Chile Trench
- Island arcs
- Japan
- Fold mountains
- Himalayas
- Constructive
- Two plates are diverging
- Rift valleys
- East African Rift Valley
- Ocean ridges
- Eurasian plate and North American plate
- Earth structure
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