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Inside our Earth inside our earth - Coggle Diagram
Inside our Earth
Interior of the Earth
The Crust
About 35 km
Uppermost layer
Thinnest of all layers
Main minerals
Continental Crust
Silica and alumina
Oceanic crust
Silica and magnesium
The Mantle
Situated just beneath the crust
Has a depth of 2900 km
The core
Innermost layer
Radius of about 3500 km
Made up of nickel and iron
The central care has very high temperature and pressure.
Rocks and Minerals
Rocks
Sedimentary Rocks
Sandstone
Metamorphic Rocks
Slate and Marble
Igneous Rocks
Extrusive Rocks
Basalt
Intrusive Rocks
Granite
Minerals
Very useful to mankind
For example:- coal, natural gas and petroleum
