Geograpy- key points- restless earth
- Created by: simran
- Created on: 15-04-12 17:50
Fullscreen
1 -Plate Margins
· Plate margins are the action zones
· Destructive (plates move together)
· Constructive (plates move apart)
· Conservative (plates slide past each other)
2 -Volcanoes
· Shield volcanoes at constructive margins
· Wide cone with gentle slopes, lava only
· Composite cones at destructive margins
· Tall, steep, lava and ash, violent eruptions
3 -Effects of volcanic eruptions
· Negative during eruptions
· People killed, farmland destroyed
· Positive after eruptions
· Fertile…
Comments
No comments have yet been made