Lithosphere
-The lithosphere is divided into tectonic plates, which move slowly to one another.
- There are two types of lithosphere:
- There are two types of lithosphere:
- Oceanic lithosphere, which is associated with oceanic crust and exists in the ocean basins. Oceanic lithosphere is about 50–100 km thick.
- Continental lithosphere, which is connected with continental crust. Continental lithosphere has a range in thickness from about 40 km to perhaps 200 km, of which about 40 km is crust.
http://en.wikipedia.org/wiki/Lithosphere