Restless Earth

John Ditchburn
Mind Map by , created over 5 years ago

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John Ditchburn
Created by John Ditchburn over 5 years ago
GCSE geography natural environment
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Restless Earth
1 Unstable Earth's Crust and Plate Margins
1.1 Earth's structure
1.1.1 Inner core
1.1.2 Outer core
1.1.3 Mantle
1.1.4 Crust
1.2 Types of crust
1.2.1 Oceanic
1.2.1.1 Dense
1.2.1.2 Minerals
1.2.1.3 Can sink
1.2.1.4 Can be created & destroyed
1.2.1.5 Younger
1.2.2 Continental
1.2.2.1 Older
1.2.2.2 Less dense
1.2.2.3 Cannot sink
1.2.2.4 Cannot be renewed or destroyed
1.3 Plate margins
1.3.1 Constructive <-->
1.3.1.1 Mid-Atlantic
1.3.2 Destructive -><-
1.3.2.1 Subduction
1.3.2.1.1 Pacific-N.American
1.3.2.2 Collision
1.3.2.2.1 India-Eurasian
1.3.3 Conservative ^^
1.3.3.1 San Andreas, California
2 Unique landforms at plate margins
2.1 Composite volcanoes
2.2 Shield Volcanoes
2.3 Ocean trenches
2.4 Fold mountains
3 Human use of fold mountains
3.1 Farming
3.2 Mining
3.3 Hydro-electric power (HEP
3.4 Tourism
3.5 Case study
3.5.1 Andes, Peru, S. America
4 Volcanic eruption
4.1 Distribution
4.1.1 Destructive and constructive plate margins
4.1.2 Hotspots e.g. Hawaii
4.2 Case study
4.2.1 Eyafjällajökkul Iceland 2010
4.3 Causes
4.4 Primary effects
4.5 Secondary effects
4.6 Immediate responses
4.7 Long-term responses
4.8 Monitoring methods
4.8.1 Prediction methods
5 Supervolcanoes
5.1 Characteristics
5.1.1 Caldera
5.1.1.1 Crater-like
5.1.1.1.1 Collapsed magma chamber
5.1.1.2 Rim
5.2 Possible effects of eruption
5.2.1 Global impacts
5.2.2 National impacts
5.3 Case study
5.3.1 Yellowstone, USA
6 Causes and location of earthquakes
6.1 Characteristics
6.2 Measuring earthquakes
6.2.1 Richter scale
6.2.1.1 Measures power
6.2.1.1.1 Scale 1-10
6.2.2 Mercalli scale
6.2.2.1 Measures effects
6.2.2.1.1 Scale 1-12 (Roman numerals I-XII)
6.3 Location
6.3.1 Destructive, Constructive, Conservative Margins
7 Effects of earthquakes on countries at different stages of development
7.1 Rich World Case Study
7.1.1 Christchurch NZ 2011
7.1.1.1 Cause
7.1.1.2 Effects
7.1.1.2.1 Immediate
7.1.1.2.2 Long-term
7.1.1.3 Responses
7.1.1.3.1 Immediate
7.1.1.3.2 Long-term
7.2 Poor World Case Study
7.2.1 Haiti 2010
7.2.1.1 Cause
7.2.1.2 Effects
7.2.1.2.1 Immediate
7.2.1.2.2 Long-term
7.2.1.3 Responses
7.2.1.3.1 Immediate
7.2.1.3.2 Long-term
7.3 Prediction, preparation & protection
8 Tsunamis
8.1 Formation
8.2 Case study
8.2.1 Japan Tohoku 2011
8.2.1.1 Causes
8.2.1.2 Effects
8.2.1.3 Responses

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