The Earth's Crust
-The crust is the first layer of the Earth.
-The crust is also the thinest layer of the Earth.
-There are two different types of crusts the Oceanic crust and the Continental crust.
-The Oceanic crust is 5 km - 10 km thick and is primarily made up of basalt, diabase, and gabbro.
-The Continental crust is 30 km - 50 km thick and is made up of barely less dense rocks than the Oceanic crust.
-The crust is also the thinest layer of the Earth.
-There are two different types of crusts the Oceanic crust and the Continental crust.
-The Oceanic crust is 5 km - 10 km thick and is primarily made up of basalt, diabase, and gabbro.
-The Continental crust is 30 km - 50 km thick and is made up of barely less dense rocks than the Oceanic crust.
Shows information on the earth`s crust at 20 sec - 29 sec