The Earth's Crust
Heat from the earths core
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Plate Boundaries
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- The Earth is split into 7 major plates
- There are also 8 minor plates
Crust Types
Oceanic Crust
Mostly found over oceans
5-20km Thick
Denser than Continental
Subducts
Continental Crust
Mostly found over land
5-80km Thick
Lighter than Oceanic
Remains on top in subduction zone