Restless Earth - The Earth

c7jeremy
Mind Map by c7jeremy, updated more than 1 year ago
c7jeremy
Created by c7jeremy over 5 years ago
10
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Description

Visually representative mind-map of the Earth and its various layers

Resource summary

Restless Earth - The Earth
1 Crust
1.1 Upper Mantle
1.1.1 Lower Mantle
1.1.1.1 Outer Core
1.1.1.1.1 Inner Core
1.1.1.1.1.1 Solid iron-nickel alloy due to the immense pressure
1.1.1.1.1.2 Hot as the surface of the sun
1.1.1.1.1.3 Slowly growing as outer core cools
1.1.1.1.2 Filled with low viscosity magma which rises up into the mantle
1.1.1.2 Convection currents here pull the plates apart
1.1.2 Still solid rock but in the transition stage
1.2 Thin in comparison to diameter of the Earth
1.3 Continental and oceanic plates move around the Earth
1.3.1 Oceanic plates are lighter but over 30km thick
1.3.2 Continental plates are denser but only 5km thick
2 Lithosphere
2.1 Asthenosphere
2.1.1 Mesosphere
2.1.1.1 Viscous magma layer between the asthenosphere and the outer core
2.1.2 Very viscous layer that sits below the lithosphere
2.2 Includes the crust and the top-most part of the upper mantle
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