Mind map
Plate tectonic theory
Map content
Plate tectonic theory
structure
- inner core
- solid ball
- also iron and nickel
- density-13.6g/cm3
- solid ball
- outer core
- semi molten
- iron and nickel
- denisty-10-12g/cm3
- semi molten
- mantle
- solid and containing lower density material
- Peridotite-formed of silicate rocks
- solid and containing lower density material
- crust
- Solid and divided into two main types
- oceanic crust
- 5-9km thick
- 3.0g/cm3 dense
- basalt
- slilica and magnesium
- sima
- continental crust
- 30-70km
- 2.7g/cm3
- granite
- silica and aluminuim
- sial
- oceanic crust
- Solid and divided into two main types
- inner core
Information
- Description
- A2 GEOGRAPHY (EMMA) Mind Map on Plate tectonic theory, created by steph_narciso on 07/03/2014.
- Created by
- steph_narciso
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