Geog
- Created by: Ellepopovici
- Created on: 30-03-18 16:48
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- Earth's Structure
- Outer core
- Iron
- Liquid state due to heat
- Inner core
- Iron & nikel
- Solid due to pressure
- Hottest layer
- 3000 - 5000 Degrees
- Crust
- Continental
- 30 - 60km
- Younger lighter rock
- Granite
- SIAL (Silica + Aluminium)
- Oceanic
- 5- 10 km
- Heavy rock
- Basalt
- SIMA (Silica + Magnesium)
- Continental
- Mantle
- 75% of the earth's crust
- Liquid rock (magma)
- Greater than 4000 degrees
- Astheno-sphere
- Upper Mantle
- Lithosphere
- Upper mantle + Crust
- Untitled
- Outer core
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