Layers of the Earth
Home
Crust
Temperature
Elements
Oceanic & Continetal
Core
Upper Mantel
Mantle Convection
Oceanic & Continental Crust
The crust is divided into continental plates which drift slowly at the top the mantle.
Oceanic Crust: 6-11 km thick
Continental Crust: 25-90 km thick
Source:
http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Inside.shtml