continental crust!
HOME - TOPICS - ROCK CYCLE - LAYERS OF THE EARTH - THE EARTH'S CRUST - IMPACT - BIBLIOGRAPHY
Layers of the Earth -
Crust - Oceanic - Continental
Mantle
Core - Outer - Inner
Layers of the Earth -
Crust - Oceanic - Continental
Mantle
Core - Outer - Inner
![Picture](/uploads/2/9/9/2/29921743/5364084.jpg?471)
The continental crust is two billion years old, and covers 0.4% of our planet. Most if not all of the continental crust is revealed to air on a regular basis. It is said to be 30 to 50 km thick, and is solemnly reliant on the compression of dense and rough rocks such as granite. However though it is mainly created with granitic rocks, and overpowers the oceanic crust, laying above and below it. This form of crust is made up of igneous, sedimentary and metamorphic rocks. The creation of the continental crust requires the process of subduction to be done twice. But don't be fooled, even though it can lay below the oceanic crust, it has a buoyancy and retraction to touch the mantle, thus only softening the continental crust, not melting it. Thus the persistence of this crust, constantly changes the shape and style of this section of the Earth.
The image on your left, shows you exactly where the crust (and other sectors of the Earth) lie.
The image on your left, shows you exactly where the crust (and other sectors of the Earth) lie.
![Picture](/uploads/2/9/9/2/29921743/5322392.gif?558)
This shows the rigid layer of the upper mantle and the connection between the continental and oceanic plate.